At first, it sounded like a small animal under the car. Then it sounded like a spinning rubber chicken. The PTU failed before 146,000 miles.

The replacement PTU says to replace the fluid every 10,000 miles. Ford says never. This is what happens when you follow the manufacturer's recommendations and never change the fluid. Lifetime lubrication or lifetime fluid only means that you'll get past the end of the warranty period.

0:00 PTU noise
0:28 Removal
10:00 Disassembly and failure analysis
12:50 Install new unit
20:44 Putting the rest of the car back together

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