Transmission slipping/thunking

Discuss your 2000-2005 Bonneville SE, SLE, SSEi, Buick Le Sabre 00-05 and Buick Park Avenue 97-05. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
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Kcscott99
LE Member
Posts: 1
Joined: Sat Feb 24, 2024 8:10 pm
Year and Trim: 2002 pontiac Bonneville sle

Transmission slipping/thunking

Post by Kcscott99 »

I have an '02 SLE that when the engine is cold it takes awhile for the tranny to engage. It also thumps when coming to a stop. The problem goes away after the engine nwarms up. Suggestions and comments appreciated
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