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GMC TSB #PIP-4395
2008 GMC Sierra 3500
TSB Document: - Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# PIP-4395.
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION
- Summary
- GMC: FLARE AND OR HARSH 2-3 SHIFTS. THIS CONDITION MAY BE CAUSED BY LEAKING 1-2-3-4 AND 3-5-R CLUTCH FLUID SEAL RINGS (230). MODELS CADILLACS, CHEVROLETS, GMC, HUMMERS, PONTIACS. EQUIPPED WITH 6L80 (RPO MYC) OR 6L90 (RPO MYD) AUTOMATIC TRANSMISSION. *PE
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