Question about 1998 Mercury Grand Marquis

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Battery light comes on and off in 1998 mercury grand marquis

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  • Roberto Castillo Nov 04, 2012

    Battery and alternator were tested and they are okay.

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  • 57 Answers

Sounds like the voltage regulator in the alternator. Or the alternator is going out.

Posted on Nov 06, 2012

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: rear shocks on a 1996 Mercury Grand Marquis

2 bolts on the top of shocks and 1 bolt on the bottom but the top 2 bolts are a pain in the neck

Posted on Mar 10, 2009

  • 5 Answers

SOURCE: 1994 Mercury Grand Marquis Check Engine Light Code 332

its the tube going from the egr valve to your exhaust it have carbon build up and you either have to replace it or get a metal coat hanger and clean it out.

Posted on Sep 26, 2009

  • 1596 Answers

SOURCE: how to r&r powersteering pump 1998 mercury

Hopfully this will be ALL you need Besides Pulley REMOVAL TOOL It can be Rented @ AutoZONE

REMOVAL

  1. Remove drive belt.
  2. Raise vehicle on hoist. WARNING: TURN AIR SUSPENSION SWITCH (LOCATED IN LUGGAGE COMPARTMENT) OFF TO PREVENT VEHICLE DAMAGE OR PERSONAL INJURY.
  3. Remove power steering pressure hose bracket.
  4. Disconnect electrical connector at power steering control valve actuator.
    1. Install Steering Pump Pulley Remover T69L-10300-B on the pulley hub. CAUTION: Do not apply in-and-out pressure on the power steering pump shaft. Pressure will damage the internal thrust areas.
    2. Hold the small hex-head and rotate the tool nut counterclockwise to remove the power steering pump pulley.
    3. Disconnect power steering pressure hose at power steering pump and drain fluid into a container.
    4. Disconnect power steering return hose at power steering pump and drain fluid into a container.
    5. Remove four retaining bolts and power steering pump and power steering pump pulley assembly.
    6. Remove power steering pressure switch from pump.
    INSTALLATION
    1. Position the power steering pump on the mounting bosses of engine block and install the bolts at the side of the power steering pump. Tighten to 20-30 Nm (15-22 ft. lbs.).
    2. Connect the power steering reservoir pump hose to the power steering pump and reposition the hose clamp to power steering pump inlet fitting.
    3. Replace power steering pressure hose O-ring.
    4. Install the power steering pressure hose to the power steering pump fitting. Tighten the tube nut with a tube nut wrench rather than with an open-end wrench. Tighten to 34-46 Nm (26-33 ft. lbs.). NOTE: Swivel or end play of the power steering pressure hose end is normal and does not indicate a loose fitting.
    5. Place the power steering pump pulley on the power steering pump shaft and install Power Steering Pump Pulley Replacer T91P-3A733-A. The small diameter threads on the tool should be engaged in the power steering pump shaft. CAUTION: Do not apply in and out pressure on the shaft. Pressure will damage the internal rotating group.
    6. Hold the small hex-head and rotate the tool nut clockwise to install the power steering pump pulley on the shaft. CAUTION: Do not apply in and out pressure on the shaft. Pressure will damage the internal rotating group. NOTE: The power steering pump pulley face must be flush within 0.25 mm (0.010 inch) of the end of the pump shaft.
    7. Remove the Power Steering Pump Pulley Replacer T91P-3A733-A.
    8. Remove the shipping tube nut from power steering pump housing prior to installation.
    9. Connect electrical connector to power steering control valve actuator.
    1. Install power steering pressure hose bracket.
    1. Lower the vehicle.
    2. If equipped, turn the air suspension ON.
    3. Install drive belt on the power steering pump pulley.
    4. Fill the power steering pump reservoir with Power Steering Fluid Motorcraft MERCON(r) ATF.

Posted on Oct 04, 2009

danielson57
  • 108 Answers

SOURCE: 1998 Mercury Grand Marquis. Check Engine light on

is not ford,driverside front close to rad #1,and then2,3,4 [same side]and pass. side front 5,6,7,8 [if only 6cyl you have 123and 456?

Posted on Dec 12, 2009

Testimonial: "thanks"

  • 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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1998 mercury grand marquis headlights


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Apr 15, 2014 | 1998 Mercury Grand Marquis

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1998 mercury grand marquis bogging out


Pressure in the cooling system from somewhere. May be blown head gasket if it is bogging out on you.

Sep 01, 2012 | 1998 Mercury Grand Marquis

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Replacing voltage regulator in mercury grand marquis


CChange battery and clean the terminals. The alternator is not designed to be your main power supply - it just keeps your battery charged - which is your primary power supply

Nov 15, 2011 | 1998 Mercury Grand Marquis

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1998 Mercury Marquis: Battery indicator light blinks in random, unpredictable ways (not all the time), even though battery is good. Could the sensor be old and unreliable? Or would you trust sensor and...


The light comes on when the alternator voltage/current is low or if there is a short that is draining the battery. If it's blinking, the voltage is probably near the lower limit of acceptable voltage. Recommend checking voltage at the battery with car running. Should be at least 14 volts. If you don't have a voltmeter, take the alternator off and have it tested at the parts store. Let us know if you have more questions.

Oct 02, 2010 | 1998 Mercury Grand Marquis

2 Answers

I was told the alternator was bad and drained the battery. I changed both and the battery was dead the next day. 1998 mercury grand marquis


assuming the repair was done correctly the you need to clean/repair the battery connections this should fix ya
hope this helps.

Jul 15, 2010 | 1998 Mercury Grand Marquis

1 Answer

1998 Grand marquis


had same problem. the switch for the light is in the door handle mechinism. I sprayed all four door latchs with wd 40. turned out it was one of the back doors. hope this helps

Mar 25, 2009 | 1998 Mercury Grand Marquis

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