Question about 1988 Chevrolet K1500

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I have an 88 chevy 1500 . has nea radiator, water pump hoses and thermastat and still over heats. was thinkin it might be a sensor prob

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Also check the radiator cap to make sure it has a good seal

Posted on Sep 22, 2008

  • rtomstampa Sep 22, 2008

    If you haven't replaced the cap do so if the cap is old it will not seal properly and cause the motor to over heat...

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Have you changed the water pump or just the hoses? Some water pumps had plastic impellers and were known to break.

Posted on Aug 03, 2008

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I have a 2006 chevy equinox that has will not stop overheating and no heat. We have replaced the thermastat, sensors and radiator hose. We used that blue devil which worked for like a month but now ha


Needless to say you have not found the right shop yet.
You need to know if the water pump is pushing the coolant thru the system, is the system full of coolant and no air pockets, and is there excessive pressure in the system.
Do the radiator hoses and heater hoses get hot when the engine warms up ?
Are you sure the system is full of coolant ?
Do the radiator hoses swell up when the engine gets hot ?

Feb 22, 2013 | 2006 Chevrolet Equinox

1 Answer

TRUCK OVER HEATS


Could be a problem with the radiator its self, or you have a blockage in the hose coming from the radiator to the thermastat. You might also check the hose from the radiator to the water pump or the water pump its self.

Apr 02, 2012 | 1994 Toyota Pickup

1 Answer

After my 96 ram 1500 318c.u. gets up to temp. the temp gauge keeps going up. it never has over heated but i dont drive it very far. ive replaced upper and lower hoses, thermastat and radiator cap. Im lost?...


Thanks for choosing FixYa and welcome. That would be my next guess. Maybe a bad coolant sensor. You might have a bad water pump as well. Make sure the fans are kicking on properly also. Check your radiator.

Apr 22, 2011 | 1997 Dodge Ram 1500 Club Cab

1 Answer

2005 chevy cobalt cooling fan will not engage car normally runs at 189 now will get up over 210 when idling. seems that if the a/c is turned on the fan will engage. but it will not engage on its own....


It may be your water pump. Most times the car will not tell you it's hot if the thermostat is not working. If you want to check if your water is circulating; open your hood, look at the radiator, there are 2 large hoses (usually one on each side) coming out of it. Turn on your car, feel/squeeze both hoses and feel that there is not a lot of pressure and you can't feel the water circulating. Wait for the car to hit the midline between hot and cold, and feel the hoses again. You should have no problem feeling the water running through the hoses and they should be very warm. If you don't feel the water, and the hoses are still cold, you should drive your car with the a/c or heat blowing at all times until you fix the water pump. It should be fixed ASAP if that's the problem. If you feel water flowing and it still doesn't kick on you should take it to a mechanic, it may be a computer issue.

Jan 08, 2011 | 2005 Chevrolet Cobalt

1 Answer

I have changed the radiator and thermastat and upper hose but it still overheats and leaks out the overflow but the water pump is good so what is the prob please help


replace your radiator cap.Cap is not holding pressure letting antifreeze escape past it to overflow then on the ground.When enough antifreeze has escaped engine starts to overheat.

Aug 09, 2010 | Dodge Neon Cars & Trucks

1 Answer

How to replace a Thermastat on a 2003 Chevy silverado 2500 HD


The thermostat is located in the water pump on mostn never Chevy trucks. If you pull the upper fan shroud, you should see the thermostat housing. Remove the radiator hose, then the 2 bolts for the housing. Replace the thermostat, and gasket together.

Feb 17, 2010 | 2003 Chevrolet Suburban 1500

1 Answer

2002 dodge 1500 Changed radiator, thermostat, and hoses. No heat


Why was radiator replaced?Did it have heat before ? If it was plugged, the heater core may also be plugged. Try flushing it with a water hose in both directions. I dont know why the botton radiator hose would be cold, the radiator should be a uniform temp and the air coming through the radiator should be HOT, when the engine is at operating temp. What condition was the old coolant? if it was rusty, the water pump may have lower flow than normal.

Nov 19, 2009 | 2004 Dodge Ram 1500

2 Answers

Chevy Celebrity overheating


All you have is one or two fans? Have you checked or replaced the thermostat? The thermostat opens when the engine gets to operating temp, and allows the water in the radiator to flow through engine and the water pump pumps the water out of the engine back through the radiator to cool before it goes back through again. I check the lower radiator hose to see if it get hot like the top hose or you could take the lower hose of the pump to see if it is pumping. I would start with a radiator flush and do this a couple times, prestone makes a flush and Im sure someone else does. do that then change your thermostat, make sure when you put the new one in it goes in spring side down..

Sep 04, 2009 | 2005 Ford Mustang

2 Answers

99 Chevy Silverado is overheating after maintance on radiator


try checking the hoses for blockage,and if not that make sure the fan is working right as it might be the fan cluch,or your water pump may have went out,best of luck

Mar 12, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Overheating


Hi,

Based on your description "hard line from thermastat area has a heat wraparound it goes towards firewall", that would appear to be part of the heater system for the inside of the vehicle and would not affect the overheating of the engine.

Most engine overheating could be caused by:
  • insufficient coolant in the radiator or reservoir;
  • defective (stuck) thermostat;
  • too soft radiator hoses (upper/lower);
  • water pump, belt, tensioner;
  • clogged radiator;
  • radiator fan motor, clutch (if has got one), relay.
Additionally, in a large number of vehicles, the radiator fan motor would only work the A/C or heater is ON.

Corrective action would require determining which is the culprit, pls try:
  • remove the thermostat completely out and test drive, see if the overheating comes back, if yes, then it is not the thermostat, if no then the thermostat most likely is stuck closed and would need replacement;
  • on start from a cold engine, remove the radiator cap and pls check if the water flows when the engine is revved. If yes, water pump is working, if not, water pump is defective;
  • in a closed loop cooling system such as in your car, there is a possibility that the radiator hoses might have thinned down or gotten softer. This could be checked by revving the engine while looking over the hoses, there should be apparent sagging or reduction in diameter when the engine is revved. If any, then they are too soft and would need replacement;
  • clogged radiators could be flushed/cleaned by removing the drain plug at the bottom.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Aug 08, 2008 | 2000 Chevrolet Silverado 1500

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