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2002 Grand Prix 6 cyl.

Tiny
BRUCE HOUDEK
  • MEMBER
  • 2002 PONTIAC GRAND PRIX
My brother-in-law mixed anti-freeze with dex cool. He did not know you are not suppose to do this. I want to flush system, but I noticed the pudding like anti-freeze in his radiator. Should I flush normally, or shoud I add a cleaner and if so how long should he drive with cleaner in radiator? The car has 175000 miles on it. Other than this the car runs fine. Thankyou bruce
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Wednesday, June 6th, 2007 AT 11:05 AM

1 Reply

Tiny
CHEVY22
  • MECHANIC
  • 1,375 POSTS
I WOULD USE THE CLEANER AND REPLACE THE THERMOSTAT ALSO, THE STUFF I USE SAYS RUN FOR 15 MINUTES, OR YOU COULD DO BOTH ADD THE CLEANER RUN THE CAR AND FLUSH

JIM
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Sunday, July 22nd, 2007 AT 9:15 AM

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