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95 Chevy Truck noise in reverse ONLY?


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uslmra
New User

Nov 4, 2009, 8:00 PM

Post #1 of 8 (2950 views)
95 Chevy Truck noise in reverse ONLY? Sign In

1995 Chevy truck short bed single cab 305/5.0L 125,000 miles.

I have a noise that sounds like metal on metal that is not a constent squeak but like a squeak-squeak-squeak. It only happens in reverse and the squeak speeds up as truck speed speeds up. The squeak however does not make the noise going in reverse while the truck is in neutral as in going backwards down a hill. So i jacked up the rear end and put it in reverse to try and locate it but i was unable to pin point it. So I took the tires off and loosened the rear breaks so they could be ruled out and it still made the noise. While jacked up i put it in neutral and rotated the tires both ways and found that it did not make the noise. I get about 2 or 3 squeaks per revolution of the tires so that to me would mean somthing with the drive shafts like the U joints. Can the U joints make a noise like this while rotating ONLY in the reverse gear? Another option i thought about was the rear axle might make the noise when under torque if not lubed well enough. If so how would you lube the rear axle to see if that is the problem?
Any help or thought would be appreciated Thanks!


Tom Greenleaf
Ultimate Carjunky / Moderator
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Nov 5, 2009, 6:45 AM

Post #2 of 8 (2942 views)
Re: 95 Chevy Truck noise in reverse ONLY? Sign In

I'd check u joints which requires removal of shaft - not that hard to do,

T



Loren Champlain Sr
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Nov 5, 2009, 7:08 PM

Post #3 of 8 (2932 views)
Re: 95 Chevy Truck noise in reverse ONLY? Sign In

Agree! When you replace them, replace them with greasable ones.
Loren
SW Washington


Tom Greenleaf
Ultimate Carjunky / Moderator
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Nov 5, 2009, 7:20 PM

Post #4 of 8 (2929 views)
Re: 95 Chevy Truck noise in reverse ONLY? Sign In

Agree totally: If you get ones with grease fittings - suggested as said you may need a needle greaser available to get at them - no problem,

T



Loren Champlain Sr
Veteran / Moderator
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Nov 5, 2009, 7:30 PM

Post #5 of 8 (2923 views)
Re: 95 Chevy Truck noise in reverse ONLY? Sign In

A needle greaser? Is that a skinny Italian?
Loren
SW Washington


Tom Greenleaf
Ultimate Carjunky / Moderator
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Nov 5, 2009, 11:17 PM

Post #6 of 8 (2917 views)
Re: 95 Chevy Truck noise in reverse ONLY? Sign In

LOL - what else do you call those?

T



Hammer Time
Ultimate Carjunky / Moderator
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Nov 6, 2009, 3:33 AM

Post #7 of 8 (2911 views)
Re: 95 Chevy Truck noise in reverse ONLY? Sign In

I thought it was Sha-na-na's personal physician................



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
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Nov 6, 2009, 8:02 AM

Post #8 of 8 (2906 views)
Re: 95 Chevy Truck noise in reverse ONLY? Sign In

 ">Sha-na-na's<"

Now you are showing your age!

T







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