'97 auto HARD shift

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'97 auto HARD shift

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Chevrolet Forums >> Chevy Trucks, Vans & SUV's >> Silverado >> '97 auto HARD shift

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'97 auto HARD shift - 3/24/2008 7:56:58 PM

Flying Low

Posts: 31
Joined: 3/15/2008
Status: offline

Hey, I have a '97 1500 5.7L auto, After driving at a steady speed for a few miles, the first to sec. shift feels like a sledge hammer.
Cutting the truck off for a few seconds stops this for a while.
Would a chip that could program shift points help?
Thanks in advance.
David

Post #: 1

RE: '97 auto HARD shift - 3/24/2008 9:31:44 PM

northey87

Posts: 927
Joined: 10/17/2007
Status: online

Welcome to the forum!!! how many miles are on the trans?

_____________________________

''''95 1500 Silverado, 350, flowmaster Force II exhuast, S&B CAI.

(in reply to Flying Low)

Post #: 2

RE: '97 auto HARD shift - 3/25/2008 7:35:18 AM

Flying Low

Posts: 31
Joined: 3/15/2008
Status: offline

Thanks for the welcome.
215 K, the problem has been around since about 60K, Sure keeps people from wanting to borrow it.

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Never to old to have fun!

(in reply to northey87)

Post #: 3

RE: '97 auto HARD shift - 3/25/2008 8:27:00 AM

northey87

Posts: 927
Joined: 10/17/2007
Status: online

It may just be that way, my '95 shifts pretty hard, and I just had the trans rebuilt. Does you trans doing any other strange things?

_____________________________

''''95 1500 Silverado, 350, flowmaster Force II exhuast, S&B CAI.

(in reply to Flying Low)

Post #: 4

RE: '97 auto HARD shift - 3/25/2008 9:09:16 AM

RonH

Posts: 424
Joined: 1/31/2007
Status: offline

David,

Are you getting a service engine light? The "1-2 bump" is sometimes accompanied with a P1870 (transmission component slippage) code.

You can find kits on ebay and from online vendors to fix the problem.

http://item.express.ebay.com/Vehicle-Parts-Accessories_Car-Truck-Parts__TRANSGO-4L60E-4L60-E-SHIFT-KIT-GM-CHEVY-TRANSMISSION_W0QQitemZ4575138410QQihZ002QQddnZVehicleQ20PartsQ20Q26Q20AccessoriesQQadnZCarQ20Q26Q20TruckQ20PartsQQcmdZExpressItem

Don't know anything about this vendor or this kit, but here's one that's on ebay now.

(in reply to northey87)

Post #: 5

RE: '97 auto HARD shift - 3/25/2008 10:05:45 AM

Flying Low

Posts: 31
Joined: 3/15/2008
Status: offline

Thanks for the info. There are no service engine lights on.

Also no other problems, no slippage,noises.

Thanks

< Message edited by Flying Low -- 3/25/2008 1:36:40 PM >

_____________________________

Never to old to have fun!

(in reply to RonH)

Post #: 6