1985 Other Mercury Models Hi there

1985 MERCURY
54,000 MILES • V8 • 2WD • AUTOMATIC
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VANDENBOSS
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  • 1 POST
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?
Jan 28, 2010 at 4:04 PM
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MHPAUTOS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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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)
Jan 28, 2010 at 11:31 PM