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
32 people reported this problem
10 people shared problem details
2001 Ford Ranger- 3.0L V690,000
Synchronizer Shaft for camshaft position sensor upper bushing goes bad and makes squealing sound like a loose belt (replace)
2002 Ford Ranger- 3.0L V698,000
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.
2003 Ford Ranger- 3.0L V6120,000
something in the engin "churps" when the engin is warm
Had the intermittent squeaks. Mechanic diagnosed it immediately. Replaced synchronizer and sensor. No more squeak, but 'Check Engine Light' is not always ON
2001 Ford Ranger- 3.0L V693,000
chirps when the engine is warm.
2002 Ford Ranger- 3.0L V6127,000
chirping sound at random times with the engine running.
2003 Ford Ranger- 2.3L 4 Cylinder117,548
Lous chirpibg under cab when clutch released
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 V625,000
Severe squeaking both front tires area.
2002 Ford Ranger- 3.0L V673,500
Loud chirping/squeak when engine is warm, erratic. CPS or synchronizer.
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