Symptoms: Shifts fine in 1st, 2nd &.

Tiny
JCALDWELL
  • MEMBER
  • 2003 CHEVROLET SUBURBAN
  • 190,000 MILES
Symptoms: Shifts fine in 1st, 2nd & reverse. Does not shift into 3rd & 4th.

Just replaced both transmission shift solenoids, trans filter & fluid.

Still having same issue. Can you help?

Thank you
Tuesday, March 26th, 2013 AT 11:23 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Most likely an internal failure.

Have a trans shop check it with a scan tool. It could be an electrical issue but I bet on the internal issue

Roy
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Tuesday, March 26th, 2013 AT 11:25 PM
Tiny
JCALDWELL
  • MEMBER
  • 2 POSTS
Will scan tool work even with no check engine light being on?
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Tuesday, March 26th, 2013 AT 11:30 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Yes, they can access the system and shift it through the scan tool.

Roiy
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Tuesday, March 26th, 2013 AT 11:47 PM

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