6l80E clunk when coasting shift to 2nd

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Sep 22, 2013 | 02:04 PM

#21

whippled 8.1l build

TECH Apprentice

Joined: Apr 2012

Posts: 340

Likes: 0

From: thurmont, maryland

i have this problem with my 00 1500 and basicly found out the tps was to blame.. 1-2 shift feels like its gonna brake something

Oct 12, 2013 | 11:35 AM

#22

TrueBlueGTO

Launching!

Joined: Jan 2005

Posts: 274

Likes: 1

From: PA

You guys out of warranty need to get it tuned. I have found that clunking issue is either a downshift speed setting issue and/or TqC pressure issue.

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