Канал: Tom Lech / LECH AIR CONDITIONING

Money lost by not maintaining the air-conditioning system maintenance. gradual decay in of yield 💸

Money lost by not maintaining the air-conditioning system maintenance. gradual decay in of yield 💸

Very cold air out of the evaporator, but lower airflow. Cannot cool the room.

Very cold air out of the evaporator, but lower airflow. Cannot cool the room.

AC CONSTANTLY TESTING AND LEARNING WHAT IS NOT IN 📖 BOOKS 📚 (all cars are different)

AC CONSTANTLY TESTING AND LEARNING WHAT IS NOT IN 📖 BOOKS 📚 (all cars are different)

AC 2019 Toyota RAV4 high side pressure is 82 psi. This is normal under these conditions.

AC 2019 Toyota RAV4 high side pressure is 82 psi. This is normal under these conditions.

OEM DENSO TOYOTA CONDENSER THAT COMES WITH DENSO ND-11 ELECTRIC ⚡️ COMPRESSOR OIL.

OEM DENSO TOYOTA CONDENSER THAT COMES WITH DENSO ND-11 ELECTRIC ⚡️ COMPRESSOR OIL.

R1234YF refrigerant couplings that are cheaper and better than yellow jacket and Master cool,

R1234YF refrigerant couplings that are cheaper and better than yellow jacket and Master cool,

AC dirty evaporator with a fungus mold growth plugging up the condensate line

AC dirty evaporator with a fungus mold growth plugging up the condensate line

PRESSURE TEMPERATURE REFRIGERANT CHART MANY TIMES GIVES YOU WRONG INFORMATION. Dual condensers.

PRESSURE TEMPERATURE REFRIGERANT CHART MANY TIMES GIVES YOU WRONG INFORMATION. Dual condensers.

AC pressures and dash temperature will be really high when you first start up with a hot interior

AC pressures and dash temperature will be really high when you first start up with a hot interior

Cooling problem, rust, aluminum, brass, and iron, dirty coolant, make electrolyte

Cooling problem, rust, aluminum, brass, and iron, dirty coolant, make electrolyte

Only 3 ounces of refrigerant but AC compressor low pressure switch never protect the compressor

Only 3 ounces of refrigerant but AC compressor low pressure switch never protect the compressor

AC hot air from engine fan wraps around feeding hot 🥵 air to condenser

AC hot air from engine fan wraps around feeding hot 🥵 air to condenser

220 psi on truck #1. 187 psi on truck #2 both 47°F not just charged side by side.

220 psi on truck #1. 187 psi on truck #2 both 47°F not just charged side by side.

Dealership cannot find refrigerant leak, another garage could not find a refrigerant leak twice.

Dealership cannot find refrigerant leak, another garage could not find a refrigerant leak twice.

Low side, Volvo service fitting for air conditioning. Hidden location.. extra labor just to get to

Low side, Volvo service fitting for air conditioning. Hidden location.. extra labor just to get to

HEPA CABIN AIR FILTERS, DO NOT USE THEM.

HEPA CABIN AIR FILTERS, DO NOT USE THEM.

Body shop car and recently purchased some hokey, pokey Neanderthal zip tie straps, AC lines.

Body shop car and recently purchased some hokey, pokey Neanderthal zip tie straps, AC lines.

UV DYE INJECTION , nearly empty refrigerant will take longer for the dye to travel

UV DYE INJECTION , nearly empty refrigerant will take longer for the dye to travel

Subaru battery power bypass directly to clutch coil. But clutch does not engage.

Subaru battery power bypass directly to clutch coil. But clutch does not engage.

STOP DAMAGING CUSTOMERS AC SYSTEM BY FOLLOWING PRESSURE TEMPERATURE CHART 📈

STOP DAMAGING CUSTOMERS AC SYSTEM BY FOLLOWING PRESSURE TEMPERATURE CHART 📈

AC PRESSURE TEMPERATURE CHART, 📈 IS WRONG WAY MORE THEN IT IS RIGHT

AC PRESSURE TEMPERATURE CHART, 📈 IS WRONG WAY MORE THEN IT IS RIGHT

Superheat test readings, change in different spots of the suction line. Line absorbs heat..

Superheat test readings, change in different spots of the suction line. Line absorbs heat..

Fisker Service Center , old generation, Fisker, and now the new generation Fisker

Fisker Service Center , old generation, Fisker, and now the new generation Fisker

Thermal switch in a machine mounted port in the case of the compressor opens up high heat situation

Thermal switch in a machine mounted port in the case of the compressor opens up high heat situation

Simple, scroll compressor very few moving parts often associated with poor cooling at idle

Simple, scroll compressor very few moving parts often associated with poor cooling at idle

Oil lubrication, blower motor bearing access ports. Youtuber oiled the wrong location

Oil lubrication, blower motor bearing access ports. Youtuber oiled the wrong location

This is what you breathe and get spread out throughout your house turning on your furnace

This is what you breathe and get spread out throughout your house turning on your furnace

Dirty blower fan blades never cleaned

Dirty blower fan blades never cleaned

Supposedly, this is a professional cleaning. after another company I’m rechecking their work

Supposedly, this is a professional cleaning. after another company I’m rechecking their work

Low airflow, restricted, turbulent, undersized ducting, dresser sitting on top of the return grill

Low airflow, restricted, turbulent, undersized ducting, dresser sitting on top of the return grill

Extremely high static drop across air filter, extremely undersized. Brand new filter

Exhaust flu to residential furnace galvanized, steel pipe rusting out

Exhaust flu to residential furnace galvanized, steel pipe rusting out

Inducer draft motor what I found after another company said everything was OK

Inducer draft motor what I found after another company said everything was OK

Dirty air from side, being pulled directly into the furnace and blower for the house.

Dirty air from side, being pulled directly into the furnace and blower for the house.

Furnace inspection after a professional company came out and serviced the furnace. TWO FILTERS

Furnace inspection after a professional company came out and serviced the furnace. TWO FILTERS

Condenser coil plugged with burning man fine dust powder

Condenser coil plugged with burning man fine dust powder

1991 RV Coleman air conditioning, never charged working perfectly good.

1991 RV Coleman air conditioning, never charged working perfectly good.

1991 RV air conditioning service guide vacuum to 200 µm. Manufactured back to the 1950s.

1991 RV air conditioning service guide vacuum to 200 µm. Manufactured back to the 1950s.

AC THERMAL FLUID FAN CLUTCH LOOKS GOOD ? (“ but it is not good”)

AC THERMAL FLUID FAN CLUTCH LOOKS GOOD ? (“ but it is not good”)

This AC can become a COMEBACK for the shop, because it works right now, but won’t later

This AC can become a COMEBACK for the shop, because it works right now, but won’t later

AC WORKS FINE ? But I’m finding other problems.

AC WORKS FINE ? But I’m finding other problems.

AC BAD AIR FLOW. = FALSE PRESSURE READING = FALSE superheat & Subcooling readings

AC BAD AIR FLOW. = FALSE PRESSURE READING = FALSE superheat & Subcooling readings

Mysterious hot air coming from outside to evaporator when it should not be

Mysterious hot air coming from outside to evaporator when it should not be

EXPERIMENT ADDING 60g REFRIGERANT AT A TIME. Watch superheat and subcooling.

EXPERIMENT ADDING 60g REFRIGERANT AT A TIME. Watch superheat and subcooling.

Subaru clutch stops working while I’m videoing. I diagnose it with a knock of my fist. EZ diagnosis.

Subaru clutch stops working while I’m videoing. I diagnose it with a knock of my fist. EZ diagnosis.

Subaru Impreza refrigerant lakes because it’s a Subaru and that’s what they do 🤭

Subaru Impreza refrigerant lakes because it’s a Subaru and that’s what they do 🤭

The best cheap Amazon 134 service couplings I have used. I have been using them for a month now

The best cheap Amazon 134 service couplings I have used. I have been using them for a month now

Toyota tundra multiple heat exchanges I’ve never seen before on a Toyota. Electric fan clutch

Toyota tundra multiple heat exchanges I’ve never seen before on a Toyota. Electric fan clutch

IMG 4675

REPAIR BILL electric heat recovery, multiple plate, heat, exchanger, and electric expansion valves

REPAIR BILL electric heat recovery, multiple plate, heat, exchanger, and electric expansion valves

two electric vehicles, YF refrigerant multiple plate heat exchangers glycol loop systems.

two electric vehicles, YF refrigerant multiple plate heat exchangers glycol loop systems.

REFRIGERANT RECOVERY ON HIGH PRESSURE LIQUID LINE WITH AC COMPRESSOR RUNNING “(WHY”) ?

REFRIGERANT RECOVERY ON HIGH PRESSURE LIQUID LINE WITH AC COMPRESSOR RUNNING “(WHY”) ?

AC EXTREME NOISE FROM COMPRESSOR 🔥

AC EXTREME NOISE FROM COMPRESSOR 🔥

Refrigerant Recovery on SUBARU

Refrigerant Recovery on SUBARU

AC CLUTCH NOT COMING ON ELECTRONICALLY. What’s wrong

AC CLUTCH NOT COMING ON ELECTRONICALLY. What’s wrong

AC COMPRESSOR NOT COMING ON SUBARU COMPRESSOR

AC COMPRESSOR NOT COMING ON SUBARU COMPRESSOR

SUBARU REFRIGERANT LEAKS Lots of refrigerant leaks. Subaru is good at this.

SUBARU REFRIGERANT LEAKS Lots of refrigerant leaks. Subaru is good at this.

Refrigerant recovery Honda missing half its refrigerant charge.

Refrigerant recovery Honda missing half its refrigerant charge.

300 W power electric AC pressure operating in a low load condition

300 W power electric AC pressure operating in a low load condition

Quest 335 High-Efficiency dehumidifier.EXCELLENT TECH CUSTOMER SUPPORT 👍

Quest 335 High-Efficiency dehumidifier.EXCELLENT TECH CUSTOMER SUPPORT 👍

DULE AC STACKED CONDENSERS. Excellent foam airtight seals no gaps allowed.

DULE AC STACKED CONDENSERS. Excellent foam airtight seals no gaps allowed.

AC PRO Pressure Temperature Guide i’m trying hard to find a match that works ?

AC PRO Pressure Temperature Guide i’m trying hard to find a match that works ?

R134 coupling tool becomes a one-way high-pressure valve. ***(FAILURE )***

R134 coupling tool becomes a one-way high-pressure valve. (FAILURE )

Fieldpiece MICRON GAUGE SOFTWARE CONNECTION AND SET UP

Fieldpiece MICRON GAUGE SOFTWARE CONNECTION AND SET UP

Harbor freight battery powered vacuum pump warranty replacement

Harbor freight battery powered vacuum pump warranty replacement

LONG Screws can puncture AC condenser

LONG Screws can puncture AC condenser

Coil Corrosion Caused by Plugged Roof Gutter . cedar would singles oak leaves Pineneedles.. acidic

Coil Corrosion Caused by Plugged Roof Gutter . cedar would singles oak leaves Pineneedles.. acidic

COIL CORROSION JUST STARTED BAD THIS YEAR , WHAT CAUSED IT ???🤔

COIL CORROSION JUST STARTED BAD THIS YEAR , WHAT CAUSED IT ???🤔

HARBOR FRIGHT VACUUM PUMP DIED AFTER 1 MONTH OF USE

HARBOR FRIGHT VACUUM PUMP DIED AFTER 1 MONTH OF USE

AC refrigerant oil missing out of compressor. Where did it all go? There’s no oil leak.

AC refrigerant oil missing out of compressor. Where did it all go? There’s no oil leak.

BMW brake pads cost as much as a used car. M2 (dust free) special pads

BMW brake pads cost as much as a used car. M2 (dust free) special pads

Double oil charge even triple oil charge HOW ? 🤔 I explained written description below.

Double oil charge even triple oil charge HOW ? 🤔 I explained written description below.

AC aftermarket condenser comparison to OEM original condenser.

AC aftermarket condenser comparison to OEM original condenser.

STOP VACUUM LEAKS AT YOH AC SERVICE CUPPINGS NYLOG

STOP VACUUM LEAKS AT YOH AC SERVICE CUPPINGS NYLOG

BMW AC compressor bolts super lightweight aluminum. Come with a hefty price tag to.

BMW AC compressor bolts super lightweight aluminum. Come with a hefty price tag to.

8 series BMW

8 series BMW

Stratus refrigerant leak detector makes easy work of finding refrigerant leaks

Stratus refrigerant leak detector makes easy work of finding refrigerant leaks

1970 280 SL unnecessarily ridiculously too difficult to attach to the high / low side fittings

1970 280 SL unnecessarily ridiculously too difficult to attach to the high / low side fittings

280 SL Mercedes high side low side fittings,High side fitting don’t even try to connect

280 SL Mercedes high side low side fittings,High side fitting don’t even try to connect

AC CLUTCH COIL WIRE EXPOSED. Somebody cut and splice wire.

AC CLUTCH COIL WIRE EXPOSED. Somebody cut and splice wire.

1000g vapor refrigerant forced into the low side with the engine off special start up procedures

1000g vapor refrigerant forced into the low side with the engine off special start up procedures

LOW SIDE VAPOR REFRIGERANT CHARGE ONLY. slow method compared to high side liquid..

LOW SIDE VAPOR REFRIGERANT CHARGE ONLY. slow method compared to high side liquid..

Second nitrogen, purge drops, moisture content, flattens out the curve you can see with your eyes

Second nitrogen, purge drops, moisture content, flattens out the curve you can see with your eyes

Performing nitrogen sweep on this old Mercedes only one hose

Performing nitrogen sweep on this old Mercedes only one hose

AC service port one hour extra labor to connect and disconnect. This is ridiculous.

AC service port one hour extra labor to connect and disconnect. This is ridiculous.

LOW ON REFRIGERANT. Worked good and cool weather.. But in over 100°F compressor stopped working

LOW ON REFRIGERANT. Worked good and cool weather.. But in over 100°F compressor stopped working

AC not working that’s all I was told. Missing information, somebody looked at it. Clutch gap rubbing

AC not working that’s all I was told. Missing information, somebody looked at it. Clutch gap rubbing

400 PSI plus on the high side AC pressure because of thermal fluid fan clutch needs replaced

400 PSI plus on the high side AC pressure because of thermal fluid fan clutch needs replaced

Intake and exhaust valves 186,000 miles 2012 Prius C what do they look like?

Intake and exhaust valves 186,000 miles 2012 Prius C what do they look like?

Prius EGR COOLER SHINY CLEAN 🧼 AFTER 186,000 miles. Just change your oil all the time..

Prius EGR COOLER SHINY CLEAN 🧼 AFTER 186,000 miles. Just change your oil all the time..

YOU ADD MORE REFRIGERANT & HIGH SIDE GOES DOWN ?🤔

YOU ADD MORE REFRIGERANT & HIGH SIDE GOES DOWN ?🤔

73 PLEATS IN THIS MERV 16 FILTER. 10 plates in the cheap Merv 10 filter.

73 PLEATS IN THIS MERV 16 FILTER. 10 plates in the cheap Merv 10 filter.

MERV 16 filters has 73 PLEATS can be less air restrictive than Merv 10 ?🤔 with 10 PLEATS

MERV 16 filters has 73 PLEATS can be less air restrictive than Merv 10 ?🤔 with 10 PLEATS

Cheap air filter, compared to more expensive air filter. Expensive is the better buy.

Cheap air filter, compared to more expensive air filter. Expensive is the better buy.

Title 24 test and balance airflow on ductwork

Title 24 test and balance airflow on ductwork

HIGH FLOW DEEP VACUUM HOSE WITH HIGH PREFORMANCE 1/4” FITTINGS

HIGH FLOW DEEP VACUUM HOSE WITH HIGH PREFORMANCE 1/4” FITTINGS

Technician did not know there was a oil drain reservoir plug in the center of this compressor

Technician did not know there was a oil drain reservoir plug in the center of this compressor

LEAKING Receiver dryer line fitting attachment

LEAKING Receiver dryer line fitting attachment

12 cylinder 1939. Vehicle in excellent condition.

12 cylinder 1939. Vehicle in excellent condition.

182,000 miles original front brake pads. Just replaced.. rotors don’t get hot.

182,000 miles original front brake pads. Just replaced.. rotors don’t get hot.

117°F heat being sucked into the evaporator from outside under the hood

117°F heat being sucked into the evaporator from outside under the hood

RECOVERY OF EVERY LAST GRAM OF REFRIGERANT OUT OF YOUR EMPTY JUGS 💰💸💵

RECOVERY OF EVERY LAST GRAM OF REFRIGERANT OUT OF YOUR EMPTY JUGS 💰💸💵

A/C poor performance on my own personal car 🤦‍♂️ I forgot to change my cabin filter.

A/C poor performance on my own personal car 🤦‍♂️ I forgot to change my cabin filter.

AC condenser this is the best aftermarket condenser I’ve ever seen, but I don’t have any name

AC condenser this is the best aftermarket condenser I’ve ever seen, but I don’t have any name

Hey Siri, not working on mobile glass guys old van. Let’s get them working.

Hey Siri, not working on mobile glass guys old van. Let’s get them working.

MORE REFRIGERANT = LOWER HIGH SIDE PRESSURE ? 🤔

MORE REFRIGERANT = LOWER HIGH SIDE PRESSURE ? 🤔

HARD SHUTOFF EXPANSION VALVES SOMETIMES HOLD HIGH PRESSURE FOR A LONG TIME ?🤔

HARD SHUTOFF EXPANSION VALVES SOMETIMES HOLD HIGH PRESSURE FOR A LONG TIME ?🤔

HOT 🥵 AIR 127°F SHOOTING FORWARD IN FRONT OF CONDENSER OUT OF THE BUMPER? 😲 not good

HOT 🥵 AIR 127°F SHOOTING FORWARD IN FRONT OF CONDENSER OUT OF THE BUMPER? 😲 not good

KIA LOW ON REFRIGERANT. 54°F out the dash. Later video full same temperature ?🤔

KIA LOW ON REFRIGERANT. 54°F out the dash. Later video full same temperature ?🤔

INFICON DETEK STRatus , Evaporator leak electronic refrigerant leak detector

INFICON DETEK STRatus , Evaporator leak electronic refrigerant leak detector

190 psi on high side on a 90°F day. There’s a lot of technicians who say it should be 250 psi.

190 psi on high side on a 90°F day. There’s a lot of technicians who say it should be 250 psi.

NAVAC 4 CYLINDER TO THE RESCUE !!!🛟 These units are difficult to recover refrigerant out of quickly

NAVAC 4 CYLINDER TO THE RESCUE !!!🛟 These units are difficult to recover refrigerant out of quickly

Lots of corrosion on brand new tractor trailer that has two high side fittings no low side fitting

ENGINE OVERHEATS SHUTS OFF AIR CONDITIONING

ENGINE OVERHEATS SHUTS OFF AIR CONDITIONING

Cabin filter, cause air to be too cold out the dash with 100°F interior dirty filter,

Cabin filter, cause air to be too cold out the dash with 100°F interior dirty filter,

Low side psi fairly high and the high side psi fairly low normal for this operating condition

Low side psi fairly high and the high side psi fairly low normal for this operating condition

CLUTCH GAP YOU CAN HEAR THE EXCESSIVE CLEARANCE

CLUTCH GAP YOU CAN HEAR THE EXCESSIVE CLEARANCE

Quick high pressure nitrogen decay test. (“ I did not stabilize the pressure before testing”)

Quick high pressure nitrogen decay test. (“ I did not stabilize the pressure before testing”)

REFRIGERANT OIL STAINS FROM ORINGS LEAKING ON RECEVER DRIER

REFRIGERANT OIL STAINS FROM ORINGS LEAKING ON RECEVER DRIER

SILICONE GREASE INSIDE O-RING GROVE of AC LINE

SILICONE GREASE INSIDE O-RING GROVE of AC LINE

DO NOT GET THE CHEAP UV DYE IN OIL , get the concentrated UV dye

DO NOT GET THE CHEAP UV DYE IN OIL , get the concentrated UV dye

Highly moisture contaminated Subaru air conditioning system

Highly moisture contaminated Subaru air conditioning system

Subaru air conditioning compressor O-rings two hoses number one leak easiest to fix

Subaru air conditioning compressor O-rings two hoses number one leak easiest to fix

My personal work vehicle can no longer reach 38°F. Looking for the problem..

My personal work vehicle can no longer reach 38°F. Looking for the problem..

Vacuum pump, accessories, and True blue hose extra protection for rough handling

Vacuum pump, accessories, and True blue hose extra protection for rough handling

MICRON VACUUM DECAY TEST FAIL Caused by your tools, not the car.

MICRON VACUUM DECAY TEST FAIL Caused by your tools, not the car.

MICRON GAUGE Connection ball valve protection don’t want oil contamination on sensor

MICRON GAUGE Connection ball valve protection don’t want oil contamination on sensor

AC 35°F – temperature, 15 psi low side, 147 psi high side 1969 Mercedes

AC 35°F – temperature, 15 psi low side, 147 psi high side 1969 Mercedes

A/C factory Mercedes service manual 1969 Extremely detailed instructions

A/C factory Mercedes service manual 1969 Extremely detailed instructions

115°F interior cabin temperature on recycle loading evaporator with hot air drops to 60°F

115°F interior cabin temperature on recycle loading evaporator with hot air drops to 60°F

1969 Mercedes original refrigerant hoses. No evidence of leaks loses charge every year or two.

1969 Mercedes original refrigerant hoses. No evidence of leaks loses charge every year or two.

Mercedes 87°F outside 39°F rear evaporator high side pressure 121 psi

Mercedes 87°F outside 39°F rear evaporator high side pressure 121 psi

SUCTION LINE SITTING CAN SOMETIMES HAVE A HIGHER PRESSURE

SUCTION LINE SITTING CAN SOMETIMES HAVE A HIGHER PRESSURE

Nitrogen pressure regulator new one Hopefully I don’t break this one like last several

Nitrogen pressure regulator new one Hopefully I don’t break this one like last several

Expansion valve type hard shut off this is not a bad expansion valve. This is not a plugged

Expansion valve type hard shut off this is not a bad expansion valve. This is not a plugged

Leaking aluminum brazing

Leaking aluminum brazing

AC COMPRESSOR CUTOUT, finding minimum RPM for the amount of heat load input by the sun. ☀️

AC COMPRESSOR CUTOUT, finding minimum RPM for the amount of heat load input by the sun. ☀️

HUGE REFRIGERANT LEAK STOPS 🛑 DURING ADDING REFRIGERANT. 100% gone after a few minutes of running

HUGE REFRIGERANT LEAK STOPS 🛑 DURING ADDING REFRIGERANT. 100% gone after a few minutes of running

A/C CUSTOMER DOES NO MAINTENANCE. Paid to fix after brakes $$$ (“ that’s expensive”)

A/C CUSTOMER DOES NO MAINTENANCE. Paid to fix after brakes $$$ (“ that’s expensive”)

AC hose manufacturing repair on a car. Audi $600 hose.. or repair for $213.

AC hose manufacturing repair on a car. Audi $600 hose.. or repair for $213.

Heat pump system on 2023 Hyundai ionic 6 . When it breaks, it’s coming to your shop.

Heat pump system on 2023 Hyundai ionic 6 . When it breaks, it’s coming to your shop.

1/4” HIGH FLOW VACUUM FITTINGS Low restriction, high speed

1/4” HIGH FLOW VACUUM FITTINGS Low restriction, high speed

Ferrari Shop having a problem diagnosing poor cooling. compressor kicking out high protection

Ferrari Shop having a problem diagnosing poor cooling. compressor kicking out high protection

AC blend doors sticking partially open heater control valve sticking open blend doors foam crumbling

AC blend doors sticking partially open heater control valve sticking open blend doors foam crumbling

Mercedes AMG needs a compressor a few other components that’s a easy five grand of evaporated

Mercedes AMG needs a compressor a few other components that’s a easy five grand of evaporated

Confirming evaporator leak two days in a row

Confirming evaporator leak two days in a row

CHARGING REFRIGERANT BY HIGH SIDE PRESSURE? Out of calibration fluid fan clutch bad readings.

CHARGING REFRIGERANT BY HIGH SIDE PRESSURE? Out of calibration fluid fan clutch bad readings.

12. Refrigerant mineral oil never been touched are the easiest to draw deep vacuum

12. Refrigerant mineral oil never been touched are the easiest to draw deep vacuum

Under 500 µm vacuum in three minutes vacuum decay two 534 microns 1988 Mercedes

Under 500 µm vacuum in three minutes vacuum decay two 534 microns 1988 Mercedes

AC RECHARGE 1988 Benz stored since 2016. Only 25 psi visual inspection.

AC RECHARGE 1988 Benz stored since 2016. Only 25 psi visual inspection.

Air conditioning new compressor 1969 Mercedes.

Air conditioning new compressor 1969 Mercedes.

AC 1989 Mercedes 17,000 miles on it. Somebody else retrofitted, high moisture contamination.

AC 1989 Mercedes 17,000 miles on it. Somebody else retrofitted, high moisture contamination.

UV Breast light easy to gained this front shaft seal leak

UV Breast light easy to gained this front shaft seal leak

AC system damaged by HIGH MOISTURE content. rust flakes clog the expansion valve.

AC system damaged by HIGH MOISTURE content. rust flakes clog the expansion valve.

Harbor freight little toy, vacuum pump.

Harbor freight little toy, vacuum pump.

IR Camera infrared thermometer, false cold temperature reading

IR Camera infrared thermometer, false cold temperature reading

WERE DID THE REFRIGERANT OIL GO ???🤔 Compressor failure.

WERE DID THE REFRIGERANT OIL GO ???🤔 Compressor failure.

How to add AC evaporators to old car with limited space. Electric compressor.

How to add AC evaporators to old car with limited space. Electric compressor.

AC HYBRID COMPRESSOR HAS A CLUTCH & ELECTRIC MOTOR uses POE oil not PAG oil

AC HYBRID COMPRESSOR HAS A CLUTCH & ELECTRIC MOTOR uses POE oil not PAG oil

12 CFM vacuum pump how fast can I get to 1000 µm or less compared to 2 CFM

12 CFM vacuum pump how fast can I get to 1000 µm or less compared to 2 CFM

WHEN YOU OVER FILL A REFRIGERANT RECOVERY TANK

WHEN YOU OVER FILL A REFRIGERANT RECOVERY TANK

NEW Welsh Vacuum Pump filling fresh vacuum pump oil first time

NEW Welsh Vacuum Pump filling fresh vacuum pump oil first time

HARBOR FRIGHT 2 CFM VACUUM PUMP VS 12 CFM VACUUM PUMP comparison

HARBOR FRIGHT 2 CFM VACUUM PUMP VS 12 CFM VACUUM PUMP comparison

Two CFM Harbor freight, vacuum pump, testing performance micron range

Two CFM Harbor freight, vacuum pump, testing performance micron range

Testing a little harbor freight to CFM battery powered pump. A little on the slow side.

Testing a little harbor freight to CFM battery powered pump. A little on the slow side.

Mercedes AC compressor pulling bearing failed came apart

Mercedes AC compressor pulling bearing failed came apart

MASTER COOL NEW POOR QUALITY REFRIGERANT CUPPING R134a

MASTER COOL NEW POOR QUALITY REFRIGERANT CUPPING R134a

Porsche rear turbo prop engine fan for condenser front sub cooler blower fan. Airflow is king.

Porsche rear turbo prop engine fan for condenser front sub cooler blower fan. Airflow is king.

Old Porsche all the air is drawn through the rear deck lid condenser from the internal engine fan

Old Porsche all the air is drawn through the rear deck lid condenser from the internal engine fan

BMW M2 brake pads, front and rear a special dust free no squeaking brake pads apparently people want

BMW M2 brake pads, front and rear a special dust free no squeaking brake pads apparently people want

MICRO GAUGE INDICATES HIGH MOISTURE CONTAMINATION

MICRO GAUGE INDICATES HIGH MOISTURE CONTAMINATION

76 µm even though this is a very old car that is a good vacuum level to achieve

76 µm even though this is a very old car that is a good vacuum level to achieve

Hard shut off extension valve after 15 minutes low only 170 psi 200+ high side

Hard shut off extension valve after 15 minutes low only 170 psi 200+ high side

AC Hard Shut Off Expansion Valve nitrogen pressure does not go to low side

AC Hard Shut Off Expansion Valve nitrogen pressure does not go to low side

Less than 500 µm and 39 seconds (*with vacuum running gauge mounted micron meter*)

Less than 500 µm and 39 seconds (with vacuum running gauge mounted micron meter)

VACUUM PUMP THE NEED FOR SPEED and extremely low micron vacuum

VACUUM PUMP THE NEED FOR SPEED and extremely low micron vacuum

Prius brakes last so long because the battery charging does most of the stopping.

Prius brakes last so long because the battery charging does most of the stopping.

100 µm UNDER 10 MINUTES. Vacuum pump still running..

100 µm UNDER 10 MINUTES. Vacuum pump still running..

I DONT THINK I EVER FOUND SO MANY LEAKS ON A NEW INSTSLLATION BEFORE

I DONT THINK I EVER FOUND SO MANY LEAKS ON A NEW INSTSLLATION BEFORE

AC Expansion Valve Sensing Bulb Needs To Be Strapped To Suction Valve

AC Expansion Valve Sensing Bulb Needs To Be Strapped To Suction Valve

🤦‍♂️AC Learning curve for young guy. QUESTION ? Where does this copper wire belong?

🤦‍♂️AC Learning curve for young guy. QUESTION ? Where does this copper wire belong?

AC digital gauges much more accurate to 0.1 of a psi that you can never see with analog gauges

AC digital gauges much more accurate to 0.1 of a psi that you can never see with analog gauges

Another of many multiple leaks on this Mercedes. Young guy learning.

Another of many multiple leaks on this Mercedes. Young guy learning.

Brand new AC hoses and fittings, somethings wrong with these new fittings in manufacturing.

AC so many assembly leaks. When being put back together.

AC so many assembly leaks. When being put back together.

Attempting to reseat the front shaft seal without having to re-remove the compressor

Attempting to reseat the front shaft seal without having to re-remove the compressor

AC vacuum leaks and lack of reading instructions. Learning experience for young technician..

AC vacuum leaks and lack of reading instructions. Learning experience for young technician..

COPPER CRUSH GASKETS improperly, installed overtightened or under tightened common cause for leaks

COPPER CRUSH GASKETS improperly, installed overtightened or under tightened common cause for leaks

-29.9 vacuum, but there’s no micron reading. Analog ages would never find this during vacuum.

-29.9 vacuum, but there’s no micron reading. Analog ages would never find this during vacuum.

New expansion valves connected to the new hoses what’s wrong? LOOK 👀

New expansion valves connected to the new hoses what’s wrong? LOOK 👀

Brand new refrigerant lines and a receiver dryer but somethings wrong with this picture.

AC compressor clutch coil, not engaging on a Honda. It’s NOT ! the relay.

AC compressor clutch coil, not engaging on a Honda. It’s NOT ! the relay.

Ford fusion hybrid. Electric compressor pressing gas puzzle does nothing to AC compressor.

Ford fusion hybrid. Electric compressor pressing gas puzzle does nothing to AC compressor.

AC Aftermarket Condenser leaks under vacuum, but not under pressure .

AC Aftermarket Condenser leaks under vacuum, but not under pressure .

Aftermarket Condenser Bad Fitting Landing machining for seals. FOUND WITH NYLONG

Aftermarket Condenser Bad Fitting Landing machining for seals. FOUND WITH NYLONG

ANALOG GAUGES CANNOT FIND THIS LEAK. Leak stops pulling air -29 inches vacuum

ANALOG GAUGES CANNOT FIND THIS LEAK. Leak stops pulling air -29 inches vacuum

MOISTURE CONTAMINATED HIGH CONCENTRATION Two vacuum pumps water oil saturated

MOISTURE CONTAMINATED HIGH CONCENTRATION Two vacuum pumps water oil saturated

MASTER COOL refrigerant coupling fittings quality has definitely dropped

MASTER COOL refrigerant coupling fittings quality has definitely dropped

500 µm in eight minutes vehicle under ideal conditions. I’ve been trying to burn this compressor up.

500 µm in eight minutes vehicle under ideal conditions. I’ve been trying to burn this compressor up.

After recovery, no measurable refrigerant lost since last year.

After recovery, no measurable refrigerant lost since last year.