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Loosing Radiator coolant and milky colored coolant... what to do?

This is a discussion on Loosing Radiator coolant and milky colored coolant... what to do? within the General Help forums, part of the LSx Technical Help Section category; Just FYI:Gm put out a TSB in 2000 saying that overheating may be caused by poor seal at radiator cap.Fix ...

  1. #21
    Member edbird's Avatar
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    red
    1999 trans am convert

    Just FYI:Gm put out a TSB in 2000 saying that overheating may be caused by poor seal at radiator cap.Fix was to polish radiator neck with 400 grit sandpaper and a block of wood! So that first mechanic may have fixed an early problem.
    Pull your oil dipstick ASAP and tell us what the oil looks like.

  2. #22
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    Navy Blue
    ls1 trans am

    I did an oil change a few weeks ago and did not notice anything unusual about the oil. I checked it yesterday and it looks really good, like brand new oil. Also I only drive only 10mi. round trip to work and back. I never let the engine over heat. The second the guage would begin to go up I would kill the car and pull over. I think the dexcool is just getting old and needs to be flushed out. I'm hesitating taking it to a dealer b/c I know from past experiences, as well as others, that they will tell you something is wrong even if it isn't. But if you guys think that is it I will take it to them for a diagnosis. I dont think I would attempt to do a head gasket by myself but the dealership is asking 1500-2000 just for labor.

  3. #23
    I lika da Chevy's LETHALxLS1's Avatar
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    BLACK
    Z/28 LS1

    If the oil looks good then your head gasket is prolly fine. Didnt you say the water pump was leaking?? Get a new water pump and flush the Dexcool and you will be golden.

  4. #24
    Just another Joe Eagle's Avatar
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    Pewter
    2002 WS6

    Quote Originally Posted by BREAKxNECKxSPEED View Post
    If the oil looks good then your head gasket is prolly fine. Didnt you say the water pump was leaking?? Get a new water pump and flush the Dexcool and you will be golden.
    Basically, I agree. R&R the water pump, and get the coolant system FLUSHED at a quick lube place like valvoline or something. I think it costs about $80.

    -Eagle

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