Hummer h3 2008
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Junior Member
Joined: Jan 2019
Posts: 1
Hummer h3 2008
Hi,
Wondering what the differences are between a 2007 and 2008 Engine?
Im looking for a replacement for my 2008 and can only find a 2007 one, but the seller is telling me its a different engine to the 2008
Both are 3.7lts
Wondering what the differences are between a 2007 and 2008 Engine?
Im looking for a replacement for my 2008 and can only find a 2007 one, but the seller is telling me its a different engine to the 2008
Both are 3.7lts
Super Moderator
Joined: Jul 2007
Posts: 13,090
From: Boat Town USA MI
The engines are similar enough, the problem is the 2008 3.7L is controlled by a different PCM and also uses a automatic Transmission Control Module (TCM). In 2007, the PCM also controlled the Trans. The 2008 also used a different Throttle Body.
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