Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Exhaust manifold replaced six months ago by a shop, now cracked again!

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Old Nov 28, 2025 | 08:14 AM
  #11  
Tropical36's Avatar
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Joined: Nov 2024
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Originally Posted by Disel
in 2009 they began to make a collector with an additional mount. a manifold crack is almost all H3 owners. I removed the overheating and for 5 years now I have been moving on a certified manifold. There is another one with a crack in the garage. many problems with H3 with I5 are precisely because of the high temperature of the engine. very bad engine. and the mounting of the collector is also unsuccessful. everyone has a crack in the same place.
Have there been any cracking problems with the Alpha V8?

 
Old Dec 1, 2025 | 09:06 AM
  #12  
Doc Olds's Avatar
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From: Boat Town USA MI
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Originally Posted by Tropical36
Have there been any cracking problems with the Alpha V8?
From TWO YEARS + AGO............ no the V8s are not the same Animal.
 
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