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Pontiac
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What does it mean when your antifreeze is a muddy color?
TRICEE2804
MEMBER
2004 PONTIAC GRAND PRIX
162,809 MILES
We use Dex-coolant its orange not green.
Saturday, April 21st, 2012 AT 3:49 PM
2 Replies
JACOBANDNICKOLAS
MECHANIC
109,755 POSTS
If you never mixed coolants, just service the cooling system. It is really dirty. It may take a couple flushes to clean it.
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Saturday, April 21st, 2012 AT 4:39 PM
DJCL
MECHANIC
767 POSTS
Have it serviced and pressure tested. The dexcool coolant is this car was known to get like that is the system went low and sucked in air.
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Saturday, April 21st, 2012 AT 5:27 PM
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