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.

Radiator fail at at the worst time of year...

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Old Jul 25, 2024 | 08:09 AM
  #11  
ski.dive's Avatar
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HUMMERZ-
Where did you buy your SILLA radiator ?
 
Old Jul 25, 2024 | 02:12 PM
  #12  
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Originally Posted by ski.dive
HUMMERZ-
Where did you buy your SILLA radiator ?
I bought & installed over 12yrs ago:

Read If Your H3 Radiator Has Cracked or Leaked



 
Old Jul 25, 2024 | 06:37 PM
  #13  
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The radiators may also be getting in a bind. Moving along with the truck is okay, but not against it. Mine hits on the passenger side and in the middle under the bracket. I ground the metal off the cross bar at those two locations to relieve any pressure and remove the cutting action into the top plastic part.
 
Old Jul 25, 2024 | 07:25 PM
  #14  
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Originally Posted by Justinh
The radiators may also be getting in a bind. Moving along with the truck is okay, but not against it. Mine hits on the passenger side and in the middle under the bracket. I ground the metal off the cross bar at those two locations to relieve any pressure and remove the cutting action into the top plastic part.
Why cut metal when the issue is at the upper mount? Grab the top of your radiator at the upper mount and push it back/forward. Does it move at the mount? When I replaced my radiator over 12yrs ago, I noticed excessive movement at the upper mount, and found a brass sleeve in my tool chest for repairing garden hoses, female end is 2 parts, I separated and installed on the radiator top post mount through the bracket bushing and now my radiator is secured tight to the upper mount. Stress cracks are caused by excessive movement/flex!


 
Old Jul 27, 2024 | 05:16 PM
  #15  
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Originally Posted by hummerz
Why cut metal when the issue is at the upper mount? Grab the top of your radiator at the upper mount and push it back/forward. Does it move at the mount? When I replaced my radiator over 12yrs ago, I noticed excessive movement at the upper mount, and found a brass sleeve in my tool chest for repairing garden hoses, female end is 2 parts, I separated and installed on the radiator top post mount through the bracket bushing and now my radiator is secured tight to the upper mount. Stress cracks are caused by excessive movement/flex!

Looks like a excellent solution to a old problem with the oem design...
 
Old Jul 27, 2024 | 07:01 PM
  #16  
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Originally Posted by wpage
Looks like a excellent solution to a old problem with the oem design...
Cheap fix(I got it free from an estate cleanout 2011) and I used it for an OEM MANUFACTURING DEFECT! 12+yrs later my Silla is still sealed tight, NO LEAK!


 
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