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1992 Buick Regal

Tiny
PATTYHUHTA
  • MEMBER
  • 1992 BUICK REGAL
Engine Cooling problem
1992 Buick Regal Front Wheel Drive Automatic

i have coolant leaking from by the fire wall an the outside passager side of the vichel with no heat what is leaking and how can I fix it
Tuesday, January 19th, 2010 AT 1:46 PM

1 Reply

Tiny
ERNEST CLARK
  • MECHANIC
  • 1,730 POSTS
If you can be sure it's coming from the firewall, then it's you heater core or the hoses connecting to the heater core. But usually this will make the coolant leak on the inside of the car. (Your carpet should be wet and you should smell a sweet odor)

If you can't be sure EXACTLY where the leak is coming form, but only a general area, then you'll need to pressure check you system.

You can rent a "Pressure Checker" from AutoZone. (It'll come with instructions) Pressurize your system to about 12 PSI, and look for the leak.

If it is the heater core (or hoses), then you'll have to remove the entire unit under the dashboard to get to it.
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Wednesday, January 20th, 2010 AT 9:39 AM

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