Automatic transmission but will only shift manually?

Tiny
CONWAY01
  • MEMBER
  • 1993 CHEVROLET SUBURBAN
  • 230,000 MILES
I have a 93 suburban 1500 4x4 with automatic transmission but will only shift manually the speedometer seems to work normal do you have any idea on what could cause this? Had a small leak in transmission cooler lines we fixed but wont shift up or down in drive r overdrive.
Saturday, November 26th, 2011 AT 1:01 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,117 POSTS
Has the check engine light come on? Was it shifting properly before the leak?
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Saturday, November 26th, 2011 AT 1:03 AM
Tiny
CONWAY01
  • MEMBER
  • 2 POSTS
Yes the check engine light is on yes it all worked fine befor the leak
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Saturday, November 26th, 2011 AT 1:05 AM

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