Overheating Problem
More Turbo
Joined: Jun 2009
Posts: 580
Likes: 58
From: Michigan
Thats right, but you wouldn't believe how dirty the fins get, when I get a complaint like the OP I clean the radiator and that almost always takes care of the overheating problem, even cleaning the A/C condenser will made the A/C work better.
Posting Guru
Joined: Jan 2006
Posts: 1,605
Likes: 1
From: Elkhorn, WI
I agree with rog. My guess would be the temp sender. These trucks have very efficient cooling systems. I would flush the radiator and also a plugged heater core can cause a vehicle to run hot. Flush that too.
Thread Starter
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Senior User
Joined: Jul 2005
Posts: 118
Likes: 0
Let me see if I understand this correctly.... as you increase your speed to 55 MPH the stock temp gauge goes to center and you think that the temp is rising so you back off. Do I have this right?
Before I did anything further I would get a infra red thermometer (No contact) drive the truck until you think that it is HOT, immediately stop and take it's temp on the water pump. These rigs, as a rule don't generally over heat. What is the condition of the coolant? Is it cruddy?
Helifixer is right, put the RIGHT thermostat back in, it is a needed item. You may very well need all that has been suggested but I am leaning towards the gauge/sender, It's an Idiot light with a Pointer.
Rog
Before I did anything further I would get a infra red thermometer (No contact) drive the truck until you think that it is HOT, immediately stop and take it's temp on the water pump. These rigs, as a rule don't generally over heat. What is the condition of the coolant? Is it cruddy?
Helifixer is right, put the RIGHT thermostat back in, it is a needed item. You may very well need all that has been suggested but I am leaning towards the gauge/sender, It's an Idiot light with a Pointer.
Rog
