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Just put a new transmission in a Chevy pick up truck 1992 and it is still slipping.

Tiny
LATINLADY
  • MEMBER
  • 1992 CHEVROLET TRUCK
  • 19,000 MILES
Transmission still slips after putting a brand new one in. It's not my car it's boyfriends he doesn't write english so I am doing this. He put it in himself and can't figure out out why it still slip.H
HELP.
Saturday, January 14th, 2012 AT 12:20 AM

12 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Did he change the torque converter, and flush the lines and cooler?
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Saturday, January 14th, 2012 AT 12:26 AM
Tiny
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Oops sorry its 190,000 miles on it.
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Saturday, January 14th, 2012 AT 12:26 AM
Tiny
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@merlin wats that a torque converter? He said he did not flush lines.
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Saturday, January 14th, 2012 AT 12:30 AM
Tiny
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He said the torque is new. Is it too late to flush lines and cooler.
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Saturday, January 14th, 2012 AT 12:38 AM
Tiny
MERLIN2021
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The converter bolts to the flywheel, MUST be replaced with transmission, cooler and lines flushed or contamination of new unit can and probably will happen.
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Saturday, January 14th, 2012 AT 12:38 AM
Tiny
LATINLADY
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@ Merlin so since he does have new torque converter but did not flush that would be y it is slipping? Is it too late too flush now?
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Saturday, January 14th, 2012 AT 12:43 AM
Tiny
LATINLADY
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@Merlin I pushed flag for review I think that was a bad thing I thought it would flag u to answer my questions. Oops I didn't kno wat it was. Sorry.
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Saturday, January 14th, 2012 AT 1:30 AM
Tiny
MERLIN2021
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As far as flushing goes, since it has been driven, is hard to say, won't hurt to flush it. I am guessing all shift solenoids are new? Next step is to read any codes. Then try disconnecting the negative battery cable for A few minutes. Ask hubby if it could be an engine lag rather than the transmission slipping?
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Saturday, January 14th, 2012 AT 1:43 AM
Tiny
LATINLADY
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What do u mean by read the codes? He solenoids r new. By disconnecting battery cable what does that do. He says it shouldn't be engine.I appreciate ur help.
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Saturday, January 14th, 2012 AT 1:50 AM
Tiny
MERLIN2021
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Is the service engine light on? Fuel delivery problems can feel like shift problems.
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Saturday, January 14th, 2012 AT 2:08 AM
Tiny
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No engine light on at all. Is that what u mean by codes?
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Saturday, January 14th, 2012 AT 2:10 AM
Tiny
MERLIN2021
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One of the most common problems on older vehicles is poor electrical connections and poor grounds. Check harness connections and grounds.
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Saturday, January 14th, 2012 AT 5:18 PM

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