Question about Cars & Trucks
If you do not have "good heat" coming from the heater there is a very good chance you have an air pocket trapped within the engine.If this is the case, try to get the front of the vehicle elevated as high as possible (a small hill works and air will travel to the highest point) with radiator cap removed,heat turned to the warmest selection on defrost.Periodically revving the engine then letting it idle,then turn the vehicle off listening for the gurgling(or strange noises,which is actually the air escaping to the highest point :) it may take several attemps,but in the end it works.
Posted on Apr 14, 2014
Could be a blocked or partially blocked radiator. Radiator cap may not be holding enough pressure. Coolant solution maybe to weak. Cooling fan may not be operating correctly.
Posted on Apr 14, 2014
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Posted on Jan 02, 2017
it sounds like there is a blockage in the system look for very stiff coolant lines or it coulc be the heater core in the cab or on the fire wall. is the engine getting up to temp ? or is it just not getting hot in the cab?
Posted on Feb 13, 2009
first check to make sure the cooling system is not air bound,takes a while to bleed off the air,try this and get back to me Thanks Ray
Posted on Nov 13, 2009
OK you have done the engine side of things. If you have an electric radiator cooling fan make sure it comes on when radiator is hot, if not the fan motor is caned or the thermostat switch is faulty. Sometimes the fan motor is supplied by a fused/relayed circuit in which case these items will also need to be checked. Check that not only does the top hose from the engine to radiator get hot but that the bottom one does too. If not this would indicate a blockage perhaps in the radiator core due to sludge. If full of sludge give both ends a flush out with a high pressure hose. Like wise do the same with the bottom hose back to the pump. If the water is circulating and the radiator fan is working then the normal cooling system is working as it should. f the engine is running hot one last thing is to find the EGR valve and check that it is opening as it should. If not the combustion temperatures go very high. One indicator of a hot engine is blue/glazed spark plugs so take one out and check it for signs of hot running. If hot then look to clean the EGR valve and associated exhaust gas feeder pipe with frayed cable, cloth and and carb cleaner spray.
Posted on May 05, 2010
sounds like you have done a lot with this there is a few things that you can do to ensue every thing is running right.
first if you can get a handheld thermal gun and check the temperature at the temp sensor on the radiator or block then see what it reads compared to the guage to ensure the guage is correct.
next check the temperature at both the top and the bottom of the radiatoer if there is a big difference in temps the radiator is partially blocked a radiator will increase 30 to 100 degrees if the radiator is 20 percent blocked.. also check to ensure that the radiator hoses are not collapsing.
Now ensure that you are not gettin air in the system by way of the water pump gasket or by loose hoses ok?
and finaly check to ensure that the heater core is not leaking and drawing air into the system or is clogged this will make a vehical give the overheating symptom also ok?
Let me know how this is going
Best regards mikle
Posted on Jul 07, 2010
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