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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > General H2 Discussion

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  #1  
Old 06-11-2009, 02:23 AM
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Default Coolant Overflow

Ok, so today was a hot day and I drove a lot. It's not over heating, but it's pushing overflow from the coolant tank. The tank is full to the top and I haven't addad water in a while. It's all clay looking and I'm wondering it I have a blocked up radiator. Any Ideas?
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Old 06-11-2009, 07:34 PM
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Default Re: Coolant Overflow

Trans fluid cooler in the radiator broke mixing Trans fluid with engine coolant.
Sucks to be me today.
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Old 06-11-2009, 08:02 PM
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Default Re: Coolant Overflow

CHA CHING! Man that is terrible..... I truly do feel sorry for you.
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Old 06-12-2009, 12:13 AM
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Default Re: Coolant Overflow

flush the trans ,or you will loose that too.
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Old 06-12-2009, 07:17 AM
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Default Re: Coolant Overflow

Flushing Trans and everything else. Thanks
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Old 06-12-2009, 03:10 PM
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Default Re: Coolant Overflow

In my opinion, the transmission cooler in the radiator is one of the biggest weak links in the H2 design. I keep saying someday I'm going to put in an aftermarket transmission cooler................I've been saying that for years.......$250 and an afternoon's work???
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Old 06-13-2009, 01:25 AM
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Default Re: Coolant Overflow

this site is great,I found out about the problem with the trans cooler in the rad ,and went with the external cooler the first month I got the H2. and it works for cooling the trans better as well . glad I did it B4 I got hit for a trans.
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Old 06-15-2009, 05:12 PM
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Default Re: Coolant Overflow

what exactly do ya gotta do mechanically to put on an external cooler?? is there a good link for a step by step process?? thanks
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Old 06-15-2009, 07:08 PM
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Default Re: Coolant Overflow

http://www.elcovaforums.com/forums/s...trans+co oler
read through all 3 pages ,there are part#'s and pic's.
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Old 06-15-2009, 07:22 PM
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Default Re: Coolant Overflow

thanks!
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