2007 Chevrolet Suburban Three-Quarter-Ton LS
Problem for Chevrolet 2007 Suburban Three-Quarter-Ton LS

Transmission trouble




By kcw573 - usenet poster

" "
Hi all. I have a transmission problem that I need help with. I have a
three quarter ton Chevrolet pickup with the 4L80E transmission. Lately
the transmission has been slipping during the first-second upshift and
often has really hard upshifts for no apparent reason. I have been
trying to determine the cause for this problem. The transmission has
received regular fluid changes and maintenance over its life and was
completely rebuilt about 60,000 kilometers ago. If anyone might have an
answer to my problem please respond. Thanks in advance.

Solution #1

posted on May 14, 2008
Not Rated)

kcw573

Rank: Apprentice 
Rating: 0%, 0 votes
A trip to the dealer may help - the 4L80E tranny has alot of troubleshooting
and diagnostic items built into it, which are accessible with the dealership
scanning tools.

...
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