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03-03-2012, 12:17 PM #1
Transmission Knock on 2001 sierra 2500?? help?
My buddy has a 2001 sierra 2500 4x4 with about 80000 miles . On start up there is a knock coming out of what seems to be the front of his trans. As the truck warms up the knock gets quieter .. someone told us it was the torque converter and i was wondering if anyone has had an issue like this before ?
03-07-2012, 03:42 AM #2
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Are you sure it isnt a lifter??? the 6.0L has noisy lifters just like the 5.3L?? kinda trying to get an idea of the noise here.Mike
1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).
2009 Saturn Aura XE (wifes car)
2011 F-150 Crew 4X4
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03-07-2012, 08:19 PM #3
im pretty sure but im not positive .. ill take a video and post it when i get a chance
04-23-2012, 07:01 PM #4
well it ended up being a cracked flywheel
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