Question about 1997 Chevrolet Tahoe

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Don't see any leaks but always have to add coolant

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  • Brian Anderson May 11, 2010

    Does your exhaust smell like antifreeze? or have white smoke coming out the exhaust when you are idling? If so I would say you either have a bad head gasket or a warped head. Check your oil after you have run the engine. If it is a milky color, then it is leaking into the oil pan.

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Intake maniofld gasket could be leaking. It is fairly common on these. The coolant could be leaking either internally, or externally. If it's external, leak may not be that bad yet and coolant could be baking off engine before it hits the ground.

Posted on Oct 03, 2009

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Check your oil dipstick is it milky looking or any color out of the ordinary, does the vehicle run a little rough?

Posted on Oct 03, 2009

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I have 260K on my 2004 2.7 santa fe. A little steam escapes from the top of the radiator when it is up to temp. It has never overheated (yet), but I am worried that I need a new radiator. I have never...


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Ok, thanks. i have put a lot of water into where the coolant suppose to be. now i want to put the anti freeze coolant. do i need to drain all the water in the radiator before add the anti freeze coolant or...


If it is a 6 cyl they are known for lower intake gasket failure. look by the drivers side near transmission that is where they leak. if it is leaking there it is about a $400.00 job to fix and unless you are qualified to do it you should go to a garage

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'02 Durango coolant doesn't seem to flow back into radiator from overflow tank. I have to open cap on radiator hose regularly to add coolant directly. Had pressure test done and replaced thermostat.


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Radiator is empty


Always fill you radiator & resevoir with a 50/50 mix of coolant / water. Your vehicle should have dexcool which is a red/orange colored coolant. You can buy a universal equivalent which is premixed and is yellow (not green). It is safe to add universal coolant but not green antifreeze. Premixed (it will say on jug) would be your safe bet. Fill the radiator, add to overflow tank to full cold line, run vehicle until fully warmed up. Let cool back down & then recheck.
Don't forget to check for leaks....it is not normal to have your coolant get that low. You likely are leaking coolant.

If this helps please rate me!
You can do it.
Brett

Mar 19, 2009 | 1999 Chevrolet Blazer

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