Near overheat and no hot air -Troubleshooting

Joined
Nov 9, 2012
Messages
7,841
Location
Olathe, KS, USA
I would suggest that exhaust gas check kit for the radiator first.

Also look for the drips under the trucks that may indicate a hose leaking such as the PHH. They are known to fail from the inside and sometimes only when warmed up.
 
Joined
Oct 4, 2005
Messages
112
I’m checking the PHH tomorrow. I replaced the therm today - after about 5 minutes heat returned to cabin and driving around didn’t have any issues. Thanks Mudders!
 
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