Cars & Vehicles
Heater Cores and Blower Fans
Car Heaters
Grand Am SE

How do you bypass heater for 1977 cutlass supreme?


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January 20, 2008 2:40AM

there are 2 hoses going to the firewall which goes into the heater core, disconnect both and install a u-type hose to allow the anti-freeze to flow back to the motor,just make sure you put the clamps tight