Question about 1999 GMC Suburban
I have a 99 GMC K1500 with 200k miles. When I bought the truck it had 125k miles on it. I replaced the trans filter and changed the fluid the 2nd day I had it just to make sure it was done. At 165K miles I had the trans flushed. They said the fluid was pretty burnt at that time, but no shifting problems. Now at 200k miles I noticed it sliping and fluid coming out the blow-by. Is it possible a flush and new filter would take care of this? I am wondering if a cooling line could be pluged. Or with this many miles, would I be better off sticking a new Transmission in? Please advise.
The fluid boiling over is caused by the slippage heating up the fluid, your clutch pack is worn out, you will need an overhaul.
Posted on Nov 07, 2008
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Posted on Jan 02, 2017
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