Question about 2002 Chevrolet Tahoe

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02 tahoe water pump coolant smell to thundergod

Yes i do have residue on the passenger side carpet...the water pump was changed last year or year before are you talking about that repair or the mainfold repair?

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  • merciergal72 May 29, 2009

    thank you for your advice. i do need to decide where I am going to have this and somee tips would be helpful. THe dealer is charging $1200 to fix the part only cost under 200 so...I am wondering if Ishould have this replaced at a radiator shop which charges 500. the aftermarket part they say is the exact same part as the ac delco made by the same company so he says do waste my money on a gm part unless I really wnat to. What is your suggestion and are there any other things I should be aware of when not taking it to the dealer?

    also...since the car has 180k is there anything else that I should have looked at while they are taking my car apart that would be the next "weakest" thing to go

  • Richard Scordino May 11, 2010

    Just found this post browsing at random...Don't remember where I left off, but I believe I was speaking about manifold replacement, and its proximity to and connection with heater hoses... As I said...Core may have been damaged, but, unless you physically examine it you can't determine why it leaks. Where the leak is, is important. But in fairness, even if leaking from the inlet tube, who broke it, how, and exactly when are not easy to prove. Just like in a courtroom, what you think without solid evidence does not count. And, in the end, if it turns out it is leaking from the inner core, you will look very silly, especially if you make accusations before having facts or evidence!!!. You need it that and decide where you want to go with it later!!!



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Check a private shop out by asking around and seeing what people that have used them think. There are only a few manufacturers of heaters, and Just about every car company outsources them. The reason that the job is expensive is that nearly the entire dashboard needs to come apart to remove it. (in my opinion the engineers are morons...old designs were far more easily serviced except for took me 13hrs to do and I swore I'd never do another one!!!) When actually doing the job, close attention must be paid to all electrical connections for everything in general and servo "motors" that operate the heater doors. I've often seen a core replacement result in ancillary electrical problems if it's not done carefully. In the financial bind most dealerships find themselves in , most are trying to "wring" every dollar out of every job...Find a good private shop with a good reputation and techs that don't double talk or evade your questions and you should be fine. NO peppy boys or "discount" chain shops...they just can't do this work.
With the miles you stated, attention needs to be paid to routine service, with an eye to leaks, noises "odd " things you see and hear. It appears you are doing this already. Just keep it up.
I do a "look around" every few weeks and coupled with the use of synthetics, get over 350K out of everything I own.
Good Luck!!!

Posted on May 29, 2009


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2006 pontiac grand prix smells antifreeze in car

Is there coolant leaking inside the car? Check the floor under the passenger side dashboard. If the carpet is wet your heater core is leaking.

If the floor is dry check the coolant elbows going from the block into the automatic belt tensioner. That's inside the engine compartment. They are notorious for leaking. You may not be able to see the leak because it drips onto the block and evaporates. That's what the smell may be.

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O2 tahoe

Probably not. Residue on the passengers side rug is likely either from a leaky heater core or a blocked air conditioner evaporator drain. Is the residue slippery feeling? Does it have a sweet anti-freeze smell? If you blot it up with a white towel, does it have a color?

If it is colored the same color as your anti-freeze (green, orange or pink, depending on what type your tahoe uses) and has a sweet smell, my bet is the heater core is leaking. This would also cause fogging on the windshield when using the front defroster and a sweet smell from the air vents when the heat is turned on.

If it just seems like water and seems to get worse when you use your air conditioning, it is likely a blocked AC evaporator drain.

In any case, neither of these problems are likely to be related to an intake manifold job.

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If the coolant is in the cab they did not cause the problem changing the manifold gasket. It sounds like the heater core has failed, which is under the dash.

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Statistacally--most leaks come from sunroofs and yes they can be one side or the other. Happens from clogged drains. Sunroof drains run across the headliner and down the a-pillar. you can have them cleaned and checked. This is all assuming you have a sunroof. Hope I helped. Thanks.

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