This is a discussion on Radiator issues within the GTO forums, part of the Vehicle Specific category; I've started to notice coolant spraying from the filler cap when driving before the engine is fully warmed to op ...
01-27-2013, 08:23 AM #1
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?
01-27-2013, 11:06 AM #2
- Join Date
- Jun 2011
- Branchville, NJ
Silver & Blue
- 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
01-27-2013, 05:44 PM #3
- Join Date
- Dec 2005
- Laurel, Maryland
2000 Grand Prix GTP
- 2000 Trans Am WS6 M6
Caps go bad. Replace it and see what happens.
01-28-2013, 11:36 AM #4
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?
01-28-2013, 03:30 PM #5
- Join Date
- Jan 2009
- Paterson/Ridgewood, NJ
Phantom Black Metallic
- 2004 GTO M6
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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