Need some help pretty soooon!

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Need some help pretty soooon!

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Chevrolet Forums >> Chevy Trucks, Vans & SUV's >> Silverado >> Need some help pretty soooon!

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Need some help pretty soooon! - 8/25/2008 7:01:25 AM

chadt256

Posts: 43
Joined: 4/26/2008
Status: offline

I have an 06 2500hd 6.0 4wd.. I will be driving for a while on the interstate or anywhere and ill let off the gas and when its kinda going downhill when i let of the gas and it starts gearing down ( auto ) There will be a loud!! grinding noise like something is winding up underneath sounds like its from the tranny or transfer case? its not heat shield hitting it. it sounds like torque converter? only has 70,000 of highway miles and pulling a little bit?

Post #: 1

RE: Need some help pretty soooon! - 8/25/2008 3:12:42 PM

ukrkoz

Posts: 170
Joined: 3/23/2008
Status: offline

probably irrelevant, but all fluids are supposed to be changed at 60K miles. both differentials and transfer case. you are not driving in 4wd auto or 4 hi, r u?

_____________________________

2000 SILVERADO 1500 CENTURION EDITION, 5.3 VORTEC

DON''''T FIX IT IF IT AIN''''T BROK;
IF IT''''S BROK, FIX IT RIGHT AWAY.

(in reply to chadt256)

Post #: 2

RE: Need some help pretty soooon! - 8/25/2008 6:39:55 PM

chadt256

Posts: 43
Joined: 4/26/2008
Status: offline

Nope. It doesn''t have auto 4wd.. I''ll get those fluids changed sometime. But I''m not sure it''s just weird

(in reply to ukrkoz)

Post #: 3

RE: Need some help pretty soooon! - 8/25/2008 7:23:02 PM

rekjavicxxx

Posts: 20
Joined: 8/7/2008
Status: offline

My Chev did that to me exactly as you described. It was the pinion in the rear end. Had to rebuild it...
I''d start there if I were you...

_____________________________

2007 Silverado 5.3L Z71 4x4, Flowmaster true dual exhaust, Gibson performance headers, K&N FIPK, Superchips Cortex programmer, spray in bedliner, Maxxis Buckshot tires, shaved tailgate, T-Rex custom mesh grille, NAV, leather, chromed out!

(in reply to chadt256)

Post #: 4