1999 GMC SONOMA NOT SHIFTING

  • Tiny
  • mrpaso1963
  • 1999 GMC Sonoma

Transmission problem
1999 GMC Sonoma 4 cyl Two Wheel Drive Automatic 150000 miles

I changed the trans. Oil and the 2 lines that go from the trans. To the radiator, also changed the radiator, now it doesn't change gears when I drive it. What can it be?

Wednesday, October 6th, 2010 AT 1:05 PM

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 42,181 posts

Trans fluid changes are NOT reccomennded in vehicles with mileage this high. It tends to eat the glue off the clutches in the transmission. But make sure your fluid level is up as it may not be since driving. If it's low fill it and see if it works for now

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Tuesday, October 12th, 2010 AT 2:47 PM

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