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1985 Other Mercury Models there

Tiny
VANDENBOSS
  • MEMBER
  • 1985 MERCURY
  • V8
  • 2WD
  • AUTOMATIC
  • 54,000 MILES
I am new here but my question is. On my 1985 Mercury, Grabd Marquis where is the heater core. I was told it may not be the heater core It might be the hoses. What do you think?
Thursday, January 28th, 2010 AT 4:04 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

The heater core is tucked up under the dash and it is rather hard to get to, if you have a coolant loss problem, go get a cooling system pressure test done, if the heater is not working, have the control valve checked and also have the core flushed out as it may be blocked.

Mark (mhpautos)
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Thursday, January 28th, 2010 AT 11:31 PM

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