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Mysterious High Pitch Whine Noise. Constant Pitch

Tiny
PAULXINFINITY
  • MEMBER
  • FORD RANGER
1983 Ford Ranger. 2.3 litre 4 cyl. Carb w/ distributer. 5 speed manual trans. Showing 99,800km

After 10 min. Of driving and truck is warm, there is a constant high pitch sqeal or whine whenever the truck is coasting, gearing down or braking. The pitch is constant. It does not change with engine speed or transmission selection. The noise disappears under load/ acceleration. It can also be heard during idle. I've taken it to a garage. The mechanic mentioned it may be coming from the distributer. Truck has been in dry storage for 5 years. All fluids checked and replaced. Belt tight.
Any thoughts? Thank you
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Monday, September 11th, 2006 AT 11:35 AM

2 Replies

Tiny
NOS
  • MECHANIC
  • 320 POSTS
Have you checked the gear greese in the trans. It sounds to me like it is either the trans is dry or the ring and pinion. If it gets louder under a load it sounds like it may be a pinion bearing going bad.( But I wouldn't rule out a bad through- out- bearing in the clutch either.)(NOS)
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Monday, September 11th, 2006 AT 10:54 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Try removing the distributor to see if it has bad bushings in it. Can you hear approx where the noise is?
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Wednesday, April 18th, 2007 AT 10:17 AM

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