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1998 Chevrolet Tahoe transmission problem

Tiny
GHANSAR
  • MEMBER
  • 1998 CHEVROLET TAHOE
  • 200,000 MILES
I have a 98 tahoe. It had a gear oil leak from the radiator gear cooler and the water went in the gear, I changed the oil 3 times. Then when my vehicle runs more than 30 miles, when it comes to a total stop and start driving again the gear slips from 1st to 2nd and remaining gears shift normally. Please could you advise me what has to be done. Thanks
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Sunday, September 22nd, 2013 AT 12:30 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So your getting coolant in your transmission fluid?If so you have a bad radiator.
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Sunday, September 22nd, 2013 AT 1:24 PM
Tiny
GHANSAR
  • MEMBER
  • 2 POSTS
I have changed the radiator but after running the vehicle for more than 30 miles the transmission slips only from 1st to 2nd. So what has to be done. Thanks
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Saturday, September 28th, 2013 AT 11:33 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The coolant that went into the transmission is causing the slipping. There may have been damage done you could try to have the transmission flushed with a machine.
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Saturday, September 28th, 2013 AT 1:18 PM

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