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2001 Cadillac Deville By-pass Heater Core

Tiny
TANGOLEE
  • MEMBER
  • 2001 CADILLAC DEVILLE
  • V8
  • FWD
  • AUTOMATIC
  • 98,500 MILES
We have a 2001 Cadillac Deville.
After 5mins of driving the car overheats.
We want to bypass the heater core.
Please suggest the best way to achieve this?

Thank you for your assistance.

Regards,

Tango
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Tuesday, May 11th, 2010 AT 2:06 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Locate the heater water inlet and outlet lines, you may have to put car on lifts, or ramp stands to get to heater core.
Disconnect negative wire off the battery, drain coolant out of cooling system.
Disconnect heater hoses from heater core.
Insert coupling between inlet and outlet hoses and tighten clamps. Add coolant. Reconnect battery. Start car to test lines.
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Tuesday, May 11th, 2010 AT 3:44 PM

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