Question about 1999 Mercury Grand Marquis

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Heater and a/c not working 1999 Mercury Grand Marquis

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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deathraider
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SOURCE: 1999 Mercury Grand Marquis

wher do you live ? Im in GA.

Posted on Dec 03, 2008

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  • 1 Answer

SOURCE: rear shocks on a 1996 Mercury Grand Marquis

Raise car under frame then put jack under axle before removing the shock.
Can use locking pliers to hold the shaft from turning (may have to cut away dust boots). Top nuts are accessed and can be seen from the wheel wells or from the gap between the trunk and mount frame (can't see nut from this angle). Take care with fuel lines near the driver side nut.
Preventing shafts from turning on new shocks will be tough. Make sure you have a proper tool to fit top of shaft with enough room between top of shaft and trunk (gap decreases as the nut is tightened) so the tool can be removed.

Posted on Mar 30, 2009

olds97_lss
  • 1 Answer

SOURCE: Mercury grand marquis 1997 temperature control

I'm not sure if yours is identical to mine since yours is second gen and mine is third gen, but with mine (1998 MGM), the heat was stuck on all the time. Full heat would practically cook your feet and you couldn't shut it off.

It was a servo/servo arm that controls the hot/cold mix door. The part was $15. The labor was $700. They had to take the entire dash out of the car to get at the part. Required two more visits due to a missed electrical connection to a daylight sensor and a vacuum issue that made the car stall when put into reverse.

My car had 150K on it at the time. Has 165K on it now. Still runs great and looks great. It's now my wife's auto and I drive a 2006 MGM.

Posted on May 13, 2009

old marine
  • 1992 Answers

SOURCE: quote to change heater core

If you're in the US, you can use this web site to get an estimate.

Posted on Nov 30, 2009

  • 58 Answers

SOURCE: where are the spark plugs located on a 2000 Mercury Grand Marquis

There are eight COPs (coil-on-plugs) to remove. Using a 7mm or 9/32" socket, remove each bolt securing each COP to the intake manifold on top of the engine. Remove all eight COPs, and the spark plugs are underneath. When replacing the spark plugs, use only the proper Ford/Motorcraft plugs, even if they cost twice as much as the aftermarket ones. You will avoid further headaches this way. Hope this helps.

Posted on Mar 30, 2010

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1999 mercury grand marquis occasionally overheats, leaks around radiator cap, makes gurgling noise on passenger side. Have replaced heater core, water pump, thermostat, hoses,& radiator cap.


Check the antifreeze for oil, pull your dipstick out, see if antifreeze is in oil or smells sweet or over full, sounds like you may of a bad head gasket. You can also check this by having a compression test done on the cylinders.

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A1999 mercury grand marquis Will have a 4.6 liter V8 of about 281 Cubic inches. Some Ford Mustangs run the same engine.


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THERE IS NO AIR COMING OUT OF THE VENTS FOR THE AIR CONDITIONING OR HEATER ON MY 1999 MERCURY GRAND MARQUIS LS


If all air is coming out the defroster reguardless of the position of the selector, you have a vacuum leak or a vacuum line is disconnected.

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Fuse diagram for 1999 mercury marquis


HERE can find this diagram and description about fuses and fuse box locations: Mercury-Grand-Marquis-Owners-Manual

Hope helps (remember rated and comment this).

Aug 08, 2010 | 1999 Mercury Grand Marquis

2 Answers

Heater blower motor blows normal then slows down 1999 grand marquis


There is a blower resister within the blower fan that is replacable. Most likely this is the problem

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Cost to replace and repair heater core in 99 Grand Marquis


about $1200 US, this requires the dash be pulled out, about 12 hours of labor.

Mar 24, 2009 | 1999 Mercury Grand Marquis

1 Answer

1999 Mercury Grand Marquis


wher do you live ? Im in GA.

Dec 03, 2008 | 1999 Mercury Grand Marquis

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