1996 GMC Safari Slamming into gear

Tiny
TROYJ
  • MEMBER
  • 1996 GMC SAFARI
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 220,000 MILES
Previously had no transmisson problems and all of a sudden it slams into all gears and check engine light is now on. Does anyone know what could possibly cause this?
Saturday, September 6th, 2008 AT 5:58 PM

2 Replies

Tiny
ROB2008
  • MECHANIC
  • 258 POSTS
Go to an auto parts store ( or somewhere ) and get it put on a scanner to see what the codes are.
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Saturday, September 6th, 2008 AT 6:06 PM
Tiny
HOOSIERQUILTS
  • MEMBER
  • 6 POSTS
My 97 safari is slamming into gear from 1st to second whenever the transmission gets hot but the service engine soon light never comes on. It has been doing it for at least 7 years and I have 150000 miles on it now.
I changed filters and fluid so many times that I forgot how often. I just gave up. When it's slamming I shut the engine off and restart then it shifts normal for a while.

The service engine soon light comes on when I get bad gas and goes off again when I fill up with different gas.
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Tuesday, September 30th, 2008 AT 8:08 PM

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