silverado rear end noise - Truck Repair Advice


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silverado rear end noise

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zonked
Novice

Feb 6, 2009, 3:26 PM

Post #1 of 5 (6419 views)

silverado rear end noise	Sign In

I have a 2000 silverado 2wd with a 4.8l my rear end has a whine that has been getting worse i'm not sure how to check to see whats wrong or how to fix it yet it has a limited slip and gears installed. thanks in advance for your input

zonked
Novice

Feb 6, 2009, 3:48 PM

Post #2 of 5 (6413 views)

Re: silverado rear end noise	Sign In

It makes this noise when pressing gas when i let off the noize goes away

way2old
Veteran / Moderator
way2old profile image

Feb 6, 2009, 3:52 PM

Post #3 of 5 (6407 views)

Re: silverado rear end noise	Sign In

ou have a couple of choices. pou can take it apart and look for any abnormal wear, ring and pinion backlash, various bearing damage. or you can take it to a qualified tech to have them diagnose it for you. If it whines on accelleration, it can be a pinion bearing or the ring and pinion clearance is too close. If it whines on decelleration, either the pinion bearing or ring and pinion clearance is too wide. If it whines or growls on turns maybe the axle bearings. The carrier bearings can cause noise in either of the above conditions or all the conditions. Good luck.

Being way2old is why I need help from younger minds

zonked
Novice

Feb 6, 2009, 7:09 PM

Post #4 of 5 (6398 views)

Re: silverado rear end noise	Sign In

if it helps the last harsh thing i did before i noticed the noise i got a bad phone call did a u turn and mid u turn pinned the pedal to the floor and my truck is re programmed to tach out to 6000 so i'm thinking thats what caused the damage. i'll pull the diff cover when i get a chance

Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Feb 6, 2009, 9:54 PM

Post #5 of 5 (6393 views)

Re: silverado rear end noise	Sign In

I'd check it sooner than later. If it's a broken tooth, the differential can lock up on you and could be very dangerous if it does so.
Loren
SW Washington

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