2008 Hummer H-2 Transmission sometimes jumps into second gear and sticks until you stop and turn engine off and restart then work fine

Asked by Ray Jan 05, 2019 at 11:24 PM about the 2008 Hummer H2 SUT

Question type: Maintenance & Repair

Transmission works great cold after warm-up it will occasionally drop to
second gear and stick . if you stop turn engine off for a few seconds it stars
and will operated properly until it happens again never know when..

1 Answer

170

Try chargeing the trans filter and fluid.Get good quality fluid and parts. Also disconnect the negative battery post,wait 5 minutes ,reconnect the post You have reset the computer,to factory settings.

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