Question about Cars & Trucks
Would a bad thermostat cause coolant to blow out of reserve tank on my 2001 ford f150 with a 5.4liter engine? I found no bad hose, but it did not heat the cab just prior to this happening.
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Posted on Jan 02, 2017
1. Do you have a cooling fan system for your car, if you have , please check it, sometimes due to the wire overheated short problem and fan doesn’t work and cause the engine over heat.
2. If the head gasket leaking, you can check you oil steak see if there is white steam oil bubbling ,if the oil has steam and the radiator has oil mixed with coolant , that means the head gasket leaking.
Posted on Jun 24, 2008
SOURCE: 2000 F250 super duty v10
check the vaccum hoses on the passenger side under hood. I think that there are two hoses but it might be three. they get brittle and leak. but they move a little valve that you can move yourself just to see if heat works then. it is inline with the heater hoses I think. Bear with me though because it has been about 3-4 years ago when I figured this one out. it is definately a vaccum problem. there is also a set of vaccum hoses under passenger side of dash, several colors in it. might want to look there because sometimes kicked by peoples feet but money is on the ones inline with heater core. just move linkage and see if it gets hot air. Hope I helped and didnt confuse.
Posted on Jan 12, 2009
Check your oil and see if it is milky lookinig...that is a sign of a bad haed gasket....here is the location of the thermostat...unless a different engine size...then post what you have and I'll get you the diagram here:
Posted on Jul 12, 2009
Check the water control valve behind the engine close to the firewall. This valve opens and closes to allow hot coolant to enter the heater core. It is usually connected to the heater controls with a cable. When you adjust the heater control for heat, a cable activated lever on the valve should move and allow coolant to move through the valve. The cable from the heater control can come loose from the lever, or the valve itself can become corroded and hard to move.
Posted on Oct 16, 2009
SOURCE: engine overheating
The coolant flush on radiator doesn't do any good. Since you have changed all the key components and still gotten overheated, then the root cause of the problem is the radiator. It got clogged up in small tubes blocking coolant flow. No matter how good the water pump is working but the radiator got clogged up, coolant is not circulating therefore the heat from the engine can't be dissipated to the radiator. Replace your radiator, don't even think about rebuild it. It has been used for 11 years. Make sure to have the correct coolant/water ratio to keep radiator life for years. Good luck.
Posted on Dec 03, 2009
Testimonial: "Thanks, it was the radiator afterall. They claim hose was attached too tight; caused it to chip. I think I was taken for a ride by AAMCO & Valvoline."
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