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Question

on a 1999 chevy suburban when first started the tranny shifts fine after driving 30+ miles it has a harsh 1-2 shift this problem went away after a filter and fluid change but has came back what could be the prob.

Submitted: 210 days ago.
Category: Chevy
Value: $9
Status: CLOSED
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Optional Information

Year : 1999
Make : Chevrolet
Model : suburban
Engine : 5.7l

Already Tried:
changed fluid and filter , no codes stored according to a reader at autozone

Accepted Answer

You need a scanner -not a code reader.The trans is seeing a problem with a delay in shifting or in the tcc lock up-the usually problems are a worn valve body and if its high miles the clutches will be burnt.

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Expert: frank
Pos. Feedback: 98.9 %
Accepts: 2587
Answered: 8/24/2009

Chevrolet Technician

33 years experience,24 years of Chevroler/GM experience and training .ASE Recertified Master Tech,

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