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Clunk/thud When Shifting

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Old September 9th, 2021, 1:46 AM
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Default Clunk/thud When Shifting

Occasionally there is a thud/clunk when my truck shifts from 1st to 2nd. I've noticed that this seems to be affected by driving distance. After my truck has been running for 10-15 miles on the freeway/highway it will make a loud thud/clunk when shifting from 1st to 2nd gear. It doesn't always do it. Most times the issue is solved by stopping and turning the ignition off. This first happened about 5 years ago and then stopped for a period of time and has just started again. it seems to come and go and occasionally the check engine light will come on. Any ideas?

Vehicle
Year: 97
Model: 1500
Engine: 5.7L V8
Miles: 92K
Tran: Auto

Last edited by krusmisel; September 9th, 2021 at 2:16 AM.
Old September 9th, 2021, 7:43 PM
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Originally Posted by krusmisel
Occasionally there is a thud/clunk when my truck shifts from 1st to 2nd. I've noticed that this seems to be affected by driving distance. After my truck has been running for 10-15 miles on the freeway/highway it will make a loud thud/clunk when shifting from 1st to 2nd gear. It doesn't always do it. Most times the issue is solved by stopping and turning the ignition off. This first happened about 5 years ago and then stopped for a period of time and has just started again. it seems to come and go and occasionally the check engine light will come on. Any ideas?

Vehicle
Year: 97
Model: 1500
Engine: 5.7L V8
Miles: 92K
Tran: Auto
Probably have a bad 1-2 clutch pack.
Old September 9th, 2021, 11:39 PM
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Is that an expensive fix? Never heard of that part before. Thanks
Old September 11th, 2021, 2:04 AM
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Originally Posted by krusmisel
Is that an expensive fix? Never heard of that part before. Thanks
Unfortunately, the transmission will have to be removed and torn down to replace a bad clutch pack. Might be better to find a good used transmission instead.
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