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.

Your Answer:

CarGurus Experts

  • #1
    Siva Koenigsegg
    Reputation
    40
  • #2
    Kelly Mayo
    Reputation
    30
  • #3
    firebird338
    Reputation
    20
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Hummer H2
28 listings starting at $17,500
Used Hummer H3
7 listings starting at $7,995
Used Hummer H3T
2 listings
Used Chevrolet Corvette
21 Great Deals out of 778 listings starting at $15,900
Used Jeep Wrangler
139 Great Deals out of 5,987 listings starting at $6,500
Used Cadillac Escalade
11 Great Deals out of 485 listings starting at $4,995
Used Ford F-150
321 Great Deals out of 13,756 listings starting at $4,888
Used Dodge RAM 1500
3 Great Deals out of 86 listings starting at $2,500
Used Chevrolet Avalanche
3 Great Deals out of 35 listings starting at $6,900
Used Toyota Tacoma
41 Great Deals out of 751 listings starting at $9,975
Used GMC Sierra 1500
130 Great Deals out of 8,124 listings starting at $5,500
Used GMC Yukon
19 Great Deals out of 962 listings starting at $5,890

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.