Question about 2001 Chevrolet Blazer

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No heat i changed the water pump twice - 2001 Chevrolet Blazer

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  • mike loshbough
    mike loshbough May 11, 2010

    check hoses going to the heater core they should both be hot



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  • 73 Answers

Have you tried the heater it clogged?

Posted on Feb 26, 2009


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Im having heat problems too, changed thermostat twice in a month, just warm air i get..why

Possibly clogged heater core . or radiator . The water pump impeller worn , not moving coolant as much as it should . How to Fix Car with No Heat Easy watch this video

Dec 20, 2016 | Cars & Trucks

1 Answer

My Toyota ipsum heats up there is a sound where the timing belt is its like a bearing id faulty can this be the cause of the heating ???

Tension pulley might be the notice but I don't think that would make it run hot..You changed the thermostat and said the water is circulating..If it's not leaking water I would check the Catalytic converter under car...When they start getting clogged up it will make your car run hot because the exhaust can't get out like it supposed to...You can also put a thermostat in that opens sooner

Nov 28, 2017 | Toyota Cars & Trucks

2 Answers

06 town car that is over heating. i changed the fan unit twice and it stil over heats is there some relaison the fuse pannal

I would be looking at the following...

  1. Thermostat may be stuck closed
  2. Look for signs the water pump is leaking under the car. This is an indication the water pump is failing.
  3. Have your radiator checked to make sure the core is not plugged up.

Nov 06, 2009 | 2003 Lincoln Town Car

2 Answers

Bmw 728i over heating problem

The thermostat and water pump are both common failure points on BMW 6-cyl engines of this era. I would recommend checking the thermostat first, then moving on to the water pump. If the vehicle has overheated several times, you may need to remove the cylinder head and have it checked for warp.

Oct 05, 2009 | 1999 BMW 323 Series

1 Answer

Car is over heating and going into the resovier. Replaced water pump, thermostate twice. Someone in this forum mentioned a spring loaded switch. However this is a 3.1 motor Pontiac Grand Prix SE two door....

If you have a white, milky fluid, you have moisture in the oil. No question on this. You may try retorquing the top of the engine (heads, intake, etc.). Change oil and filter. Now if this has electric motors for cooling (fans), make sure they are working. Don't overlook the obvious. Check the radiator cap. Cooling system must have pressure to function right. A bad cap could cause overheating.

Good Luck

Mar 06, 2009 | 1996 Pontiac Grand Prix

1 Answer

Poor heat after head replacement

i would go for the water pump, often people change the head gasket but remember,,, something usually makes this blow ie thermostat, dodgy water pump, blocked radiator ect,,,, but water pump would be my diagnostic

Dec 02, 2008 | 1998 Chevrolet Cavalier

1 Answer

Water leak

Sorry to say but that's more than likely the water pump. The water pump is located in the timng line. You will have to take the timing belt off to change the water pump. While you're changing the pump you may as well chang the timing belt so you don't have to go through that job twice.

Hope this helps. Good luck.

Jun 06, 2008 | 1994 Mazda 323

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