NAIOA Impala Forums :: View topic - 2004 Impala LS 3800 Radiator Flush
Joined: Dec 30, 2008 Posts: 20 Posts per day: 0.01
Posted: Fri Nov 14, 2014 1:42 am Post subject: 2004 Impala LS 3800 Radiator Flush
Anyone have a safe, effective method for cleaning out a radiator while its still in the vehicle?
Engine temperature running a bit warm and I'd like to clean out just the radiator and then just the heater core without running anything through the engine.
Pitch Black SS
NAIOA Administrator NAIOA Owner / Founder
Joined: Mar 08, 2004 Posts: 12756 Posts per day: 2.54 Location: Tullahoma, TN
2004 Chevrolet Impala
1982 Chevrolet Malibu
2007 Chrysler 300C
1986 Chevrolet Monte Carlo
Posted: Fri Nov 14, 2014 11:31 am Post subject:
If you disconnect both hoses, the radiator isnt connected to the motor any more. You can flush away. Same with the heater core. If you remove the hoses, nothing will get back into the motor.
You will need to refill and bleed the system afterwards
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