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
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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