Question about 2001 Chevrolet Impala

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Replacing water pump on 2001 chevy impala

Low coolant level light came on Friday, checked fluid level not low, but added some coolant, no apparent leaks, car has been making a bit of a grinding sound when idling lately, no heat in car this am.. thinking water pump?

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  • Chevrolet Master
  • 16,026 Answers

That is good bet but you should see some spotting from coolant under the car. There is a weep hole on the water pump and what happens with age is that the bushing in the pump on the shaft gets worn and coolant starts to drip out.

Posted on Feb 10, 2014

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Posted on Jan 02, 2017

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SOURCE: 2005 Impala Leaking Coolant and no heat

Hi lfortunato,

Try the radiator cap, if that doesn't work check your interior heater controls.... as you've already pressure tested, it sounds unlikely to be the pump..... If it was defective it would have leaked with that pressure. The thermostat may also cause the problem, if it's stuck open....

Regards Johngee10

Posted on Sep 28, 2008

  • 83 Answers

SOURCE: over heating

sounds like an air pocket or waterpump may be on way out.

Posted on Jan 03, 2009

breddi2
  • 126 Answers

SOURCE: over heating

Would have to suggest water pump at this point if all else has failed.

Posted on Apr 25, 2009

  • 6982 Answers

SOURCE: 2004 Chevy Impala no heat from defrost or heater

No heat is often a symptom of low coolant, usually followed by overheat. There are other controls that regulate heater, but right now, re-fill the cooling system with engine running and heater on high, then check for leaks (coolant you lost went somewhere...you need to determine where) Low coolant will damage your engine. Take care of that first, then if heater still does not work, then do diagnosis on that. (if you loose the engine heat won't matter, will it!)

Posted on Sep 22, 2009

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SOURCE: i have a 2001 chevy Malibu. Have problems with

Due to the complexity of the newer cars on the raod today!! what you are experiencing is Normal!!! since the coolant systems on the newer cars run at such a higher pressure and a high Rpm the reserve tank which has it's on drain hose for excessive overflow from the radiator allows the extra high pressure release from the radiator to back flow to the reserve tank and then out the reserve tank overflow hose on to the raod

Posted on Jan 17, 2010

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