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Overheating had waterpump changed, was told head gasket was fine, what else could be wrong?

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  • 358 Answers

Thermostat, Airbound?, fan controller, thermostat?,

Posted on Jun 05, 2014

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Posted on Jan 02, 2017

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SOURCE: Car is overheating still after I replaced waterpump & thermostat.

do you have a air lock perhaps this will cause grief! you must bleed it out patients is a must for this.

Posted on Jan 04, 2009

  • 1201 Answers

SOURCE: 96 nissan maxima overheating

Check or have the electric cooling fan or fans checked, to see if they are coming on, and the radiator cap checked. You've done everything else.

Posted on Jan 30, 2009

  • 23 Answers

SOURCE: overheating

You could have several issues here. A blockage in the radiator, bad coolant temp sensor, (not turning the cooling fan on) a bad cooling fan motor. sounds as if maybe one of these may be your primary issue, and the cause of the overheating that originally caused your head gasket problem. Hope this helps

Posted on Aug 22, 2009

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SOURCE: overheating they say head gasket changed

If you have white smoke from the tailpipe, coolant in the engine oil, engine oil in the cooling system, that indicates a head gasket failure. However, the most definitive way to test is to have a hydrocarbon test done on the cooling system (checks for exhaust gasses that obviously don't belong in there).
If the system comes up clean, you still can have either a leaking intake gasket, partially obstructed radiator (many times flush will go around obstructions not through them), a malfunctioning electric fan or fan relay, or even an obstruction in front of the a/c condenser or between the condenser and radiator (leaves, plastic bags etc) Don't forget though even if the cause is other than a gasket, if repeatedly or severely overheated the head gaskets can also fail. That is why complete testing is very important.
good luck

Posted on Jan 20, 2010

  • 1 Answer

SOURCE: over heat told probably head gasket but want to tr...

there is a pressure release valve (fitting) on near the thermostate housing. there maybe an airbubble in the system. while vehicle is running and heat, slightly loosen fitting to release air until you see nothing but fluids coming out

I replaced waterpump, radiator, flushed system and spend $$$$ which some of that was probably needed but in the end, I need to release the excess air out of the system. ONce I done that the temp gauge has remained normal.

Posted on Jun 14, 2010

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2 Answers

My 1990 ford ranger 4 speed w overdrive keeps overheating. thermostat good waterpump good. when overheating overflow is boiling and bubbling


maybe bad head gasket causing bubbling in over flow tank
if level is going down you might see white smoke from tail pipe,
wet spark plugs or engine oil looking like coffee.
hope this helps

Apr 17, 2016 | Ford Cars & Trucks

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My trooper is overheating only when im doing 70mph for about 7 miles it never does it at lower speed ive flushed system changed stat changed rad cap it does,nt lose water head gasket fine


check belt tension on waterpump, make sure radiator and overfill bottle are full to specified level. either the coolant is low or the pump is slipping

Apr 03, 2011 | 1995 Isuzu Trooper

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My 01 deville wont stop overheating we replaced waterpump thermostat waterpump cover and all the gaskets wat else could it b


check the rad and cooling fan on motor also check fan relays
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cylinder heads may be plugged up try reverse flush if it dont help
head gaskets or heads

Apr 02, 2011 | 2001 Cadillac DeVille

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My 2002 Olds minivan is overheating. I changed thermostat and flushed radiator, bled the air from the air valves and changed the temp sending unit. It does not leak fluid and waterpump and belt are on...


My 02 silhouette just started having the same problem and I was told it was the head gasket. I was told mini vans with the 3.4 engine have this problem after a certain amount of miles. My brother has had this happen in 2 different vans with same engine. Hope this helps.

Sep 10, 2010 | 2002 Oldsmobile Silhouette

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My 98 ford contour keeps overheating i just replaced the radiator and the water pump. And there is no water in the oil. The fans work but it still overheats . What else could be causing it to overheat?


I can't believe anyone would replace the waterpump without also replacing the thermostat. Once overheated, a thermostat is no good anymore. It must be replaced.

But that is not the only possibility. You could have a bad head gasket, without having oil in the water. Only a pressure check can tell. You could also have a collapsing lower hose, as water pump suction causes it to pinch off. You could also have an air bubble from not bleeding it properly when refilling. You could also have a loose waterpump belt. You could have put in the wrong waterpump, as the type for normal V-belts runs the opposite direction of the type for serpentine belts.
There are many more, but that is all I could immediately think of.

Jun 27, 2010 | Cars & Trucks

1 Answer

Still overheating after head is skimmed


waterpump? No movement of water/coolant, engine overheats. Engine overheats, warp heads. Next time you rip a head off, check gasket to see if head gasket failed or if there is a different cause to car overheating.

May 25, 2010 | 1999 Honda Civic

2 Answers

Over heat told probably head gasket but want to try thermostat first is it worth the time or just believe head gskt also told if it really overheated engine no good anymore


Is there oil in the coolant recovery tank (milky substance) or smoke out of tail pipe upon start up.If there is you have a defective head gasket.

May 20, 2010 | 1999 Oldsmobile Silhouette

2 Answers

My 96 Cadillac Eldo keeps overheating


Hello, look on the left (driver side) front of the engine, you will see at the end of the closest to you, on the cylinder head, a pulley. This pulley runs your water pump, by a belt connection. Check and see if that belt is on.
If you are adding water, you should have it pressure tested, as it could be the water pump(which takes a special tool to replace) or a bad head gasket.

Jun 17, 2008 | 1996 Cadillac Eldorado

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