Cooling issue, please help
Mountain Pass
Joined: May 2020
Posts: 161
Likes: 26
From: Pennsylvania, Maine
I don't have any experience with these 6.7L's, but I CAN say this.
K.I.S.S - Keep It Simple Stupid. Start with the small things, another fellow said thermostats, seems unlikely that both would go bad, but I assume they're cheap fixes and would start there. I can't tell you how many times something was acting ( they function, just acting abnormal ) up with my vehicles and I immediately assumed the worst, replaces an expensive item or something that was off the wall, only to figure it out later that it was a very simple fix...
K.I.S.S - Keep It Simple Stupid. Start with the small things, another fellow said thermostats, seems unlikely that both would go bad, but I assume they're cheap fixes and would start there. I can't tell you how many times something was acting ( they function, just acting abnormal ) up with my vehicles and I immediately assumed the worst, replaces an expensive item or something that was off the wall, only to figure it out later that it was a very simple fix...
Laughing Gas
Joined: Aug 2004
Posts: 856
Likes: 270
From: SoCal
Second time I’ve mentioned it. Revisit the recent flush for air. Tranny and engine oil hit 240+ in these trucks.
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Laughing Gas
Joined: Sep 2010
Posts: 904
Likes: 112
From: Austin, Texas
Thanks for the reminder.... I do have a question... How would one check for such an issue?
Hotshot
Joined: Oct 2015
Posts: 19,707
Likes: 12,846
From: Wyoming
The recovery tanks in these trucks are pressurized, so that may be an alternate way, but I have no experience with that.
If anyone can recommend a good vacuum tool that works with multiple brands, I would be interested in buying a tool.
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