...Check the coolant level. If there is no coolant, you won't be able to transfer heat from the engine to the heater core. If there is coolant, you may have a vacuum leak at the temperature control that ...
...for the intake manifolds leaking coolant.Have a pressure test put on the coolant system and look for a leak around the intake manifold corners.Check all four corners i've fixed many of
...Check coolant level while engine is cold.2. Leave the radiator cap off and let the engine run. See if you can see the coolant circulate when the engine is brought up to temperature.3. Check the ...
...is possible your sensor inside your reservoir you need to check make sure the radiator is full not just the coolant bottle I think the sensor is in the radiator if both are full you have abad ...
...Check coolant level. Check for heat at the heater hose going from water pump to heater core at firewall. Check to see that cable is moving coolant control valve from the closed to open position. Low ...
Question about GMC Sierra
...side just not blowing hot all the time? check your coolant level first low coolant can cause bad heat and check heater core to see if its cloged. i ussaly push water threw each side with garden
coolant, then check exhaust with black light for signs. I believe intake gaskets were problematic on those too. You may want to check a dealer for any TSB's. Either way, dye test will give you an idea
...coolant to the tank. and now it is back on and have not noticed any leaks. what should i do? check the intake gasket if it is leaking make sure the water pump is not leaking, check the heater core ...
check the engine dipstick to see if engine oil is milky looking. If so the coolant is leaking into the crankcase. If dipstick looks okay it could be leaking at the intake manifold. If it is leaking at
coolant after running truck short or long trip. Don't see any spot in drive way. Ran the truck very hard on a trip pulling trailer with truck on it no over heating or loss of power. Five days of beach
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