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Thread: Radiator issues

  1. 01-27-2013, 08:23 AM #1
    dethinboots
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    2005 a4 GTO

    Radiator issues

    I've started to notice coolant spraying from the filler cap when driving before the engine is fully warmed to op temp or for extended driving periods. I drained and refilled the radiator less than 1k miles ago. Is it just really filthy?
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  2. 01-27-2013, 11:06 AM #2
    2002ssslp
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    02 Camaro SS, 04 GTO

    You may have a bad cap, a cracked radiator, a bad connection for the overflow tube or a bad radiator. Put a pressure tester on it and find out where the leak is coming from.
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k
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  3. 01-27-2013, 05:44 PM #3
    ls1camino
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    Caps go bad. Replace it and see what happens.
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  4. 01-28-2013, 11:36 AM #4
    dethinboots
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    I'm definitely going to start with the cap. Is there more pressure in that system when cold? I know that's a dumb question but why else would it be doing it when cold?
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  5. 01-28-2013, 03:30 PM #5
    cammed goat
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    Start with the cap. When mine went bad, the coolant would leak past the cap and onto the ground. I changed the cap and it was faulty. Changed it again, third time was a charm. Get back to us with what you find.
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