Noise From Synchronizer Shaft Upper Bushing on Ford Ranger

The synchronizer shaft for the camshaft position sensor can cause a loud squeak or chirping noise due to failure of the upper bushing. The noise may be erratic and is usually present when the engine is warm.

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Average mileage: 105,650 (25,000–160,000)
Engines affected: 2.3L 4 Cylinder, 3.0L V6, 4.0L V6
10 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002, 2003, 2004, 2006
33 people reported this problem
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problem details
2001 Ford Ranger - 3.0L V6 90,000 mi,
Synchronizer Shaft for camshaft position sensor upper bushing goes bad and makes squealing sound like a loose belt (replace)
2002 Ford Ranger - 3.0L V6 98,000 mi,
had the same problem friend works at ford, found, and fixed the issue quickly...part is expensive trough ford...aftermarket part is 1/4 of the price.
1999 Ford Ranger - 4.0L V6 86,555 mi,
Had the intermittent squeaks. Mechanic diagnosed it immediately. Replaced synchronizer and sensor. No more squeak, but 'Check Engine Light' is not always ON
2003 Ford Ranger - 3.0L V6 120,000 mi,
something in the engin "churps" when the engin is warm
2001 Ford Ranger - 3.0L V6 93,000 mi,
chirps when the engine is warm.
2002 Ford Ranger - 3.0L V6 127,000 mi,
chirping sound at random times with the engine running.
2003 Ford Ranger - 2.3L 4 Cylinder 117,548 mi,
Lous chirpibg under cab when clutch released
1999 Ford Ranger - 3.0L V6 93,600 mi,
troubleshooting a loud constatnt annoyng sqieal like a belt but suspecting compressor for a/c...thinking it might be the cam shaft postion senor shaft bushing failure
2001 Ford Ranger - 4.0L V6 25,000 mi,
Severe squeaking both front tires area.
2002 Ford Ranger - 3.0L V6 73,500 mi,
Loud chirping/squeak when engine is warm, erratic. CPS or synchronizer.