Question about 1998 Mercury Mountaineer

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How do you change a wheel seal on a mercury mountaneer 1998 rear end

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Wayne Fellows

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Axle Vent
NOTE: If the vent cannot be cleared, it must be installed new.
A plugged vent will cause excessive seal lip wear due to internal pressure buildup. If a leak occurs, check the vent. Make sure the vent hose is not kinked. Remove the hose from the vent nipple and clear the hose of any foreign material. While the hose is removed, pass a length of mechanics wire or a small diameter Allen wrench in and out of the vent to clean it. Connect the hose when done. The vent is located on the drivers side top of axle housing.
If you plan on doing most repairs yourself I would suggest buying a Haynes or Chilton manual for your particular vehicle. Or there are some data disks on e.bay($12-$15) For a cost of under $25, you can almost do any repair yourself with these manuals.Also there are online manuals like the site called ALLDATA where guides can be viewed for a fee. All these solutions will save you time and money, and give peace of mind over correct repairs. I can post you some procedures here also.

  1. CAUTION: Do not use heat to loosen a seized lug nut. Heat can damage the wheel (1007) and the rear wheel bearings (1225).
  2. Loosen the lug nuts (1012).
  3. Remove the center cap.
  4. With the weight of the vehicle on the wheels, loosen the lug nuts Raise and support the vehicle. .Remove the wheel and tire assembly.
  5. Remove the lug nuts.
  6. Remove the wheel and tire assembly. Remove the axle housing cover (4033).
    1. Loosen the axle housing cover bolts (4346) and drain the rear axle (4001).
    1. Remove the axle housing cover bolts.
    1. Remove the axle housing cover.
    2. how do you change a wheel seal on a mercury - a167554.gif
7.Remove the rear disc brake rotors You will have to remove the brake caliper to get rotor off.
8. CAUTION: Once the differential pinion shaft (4211) has been removed, turning the differential case (4204) or an axle shaft (4234) will cause the differential pinion gears (4215) to fall out of the assembly. This could result in chipped or damaged components.
9.
1.Remove the differential pinion shaft lock bolt. 2.Remove the differential pinion shafthow do you change a wheel seal on a mercury - 4fd1df0.gif"/uploads/images/4fd1df0.gif" alt="4fd1df0.gif" class="h_mi" /> 10.CAUTION: Do not damage the rubber O-rings in the U-washer grooves. Remove the U-washers (4N237).
  1. Push the axle shafts inboard. Remove the U-washers.
  2. 9499075.gif
    11.Reinstall the differential pinion shaft.
    1. Install the differential pinion shaft.
    2. Install the differential pinion shaft lock bolt finger-tight.9how do you change a wheel seal on a mercury - 1848771.gif class=
      12.CAUTION: Do not damage the inner wheel bearing oil seal (1177). Remove the two axle shafts. 1848771.gif
CAUTION: Never remove the axle shaft oil seal by itself. Always remove the rear wheel bearing and the axle shaft oil seal at the same time. NOTE: If the axle shaft oil seal is leakihow do you change a wheel seal on a mercury - 0ffed5b.gife housing vent may be plugged with debris. Use Impact Slide Hammer and Axle Wheel Bearing Puller to remove the rear wheel bearing and the axle shaft oil seal.

0ffed5b.gifAxle bearing puller end..
Installation
Lubricate the lip of the inner wheel bearing oil seal.
Use Premium Long-Life Grease XG-1-C or equivalent meeting Ford specification ESA-M1C75-B.
  1. CAUTION: Once the differential pinion shaft has been removed, turning the differential case or an axle shaft will cause the differential pinion gears to fall out of the assembly. This could result in chiphow do you change a wheel seal on a mercury - 5a472e0.gifged components.
  2. Remove the differential pinion shaft.
  3. Remove the differential pinion shaft lock bolt.
  4. Remove the differential pinion shaft.
  5. 5a472e0.gif
    CAUTION: Do not damage the inner wheel bearing oil seal. Install thow do you change a wheel seal on a mercury - 345272a.gif shafts. CAUTION: Do not damage the rubber O-rings in the U-washer grooves. Install the U-washers.
    1. Position the two U-washers on the button end of the axle shafts.
    1. Pull the axle shafts outward.
    2. 345272a.gif
      Install the differential pinion shaft.
      1. Align the hole in the differential pinion shaft with the differential pinion shaft lock bolt hole.
      1. Install the differential pinion shaft lock bolt.
      2. 49e064a.gif
                                                            Install the rear disc brake rotors; Install the axle housing cover and fill the rear axle housing (4010) with 2.4 liters (5.5 pints) of specified lubricant
                                                            WARNING: Always remove any corrosion, dirt or foreign material that may be present on the mounting surfaces of the wheel or the surface of the wheel hub or rear disc brake rotor that contacts the wheel. Installing wheels without proper metal-to-metal conthow do you change a wheel seal on a mercury - 6a78fd6.gifwheel mounting surfaces can cause the lug nut to loosen and the wheel to come off while the vehicle is in motion, causing loss of control. Clean the wheel hub and mounting surfaces. Install the tire and wheel assembly.
                                                            Position the tire and wheel assembly. Install the lug nuts and lower the vehicle. Tighten the lug nuts. Install the center cap. 6a78fd6.gif WHEW Hope this can help you

                                                            Posted on Mar 21, 2010

                                                            Testimonial: "this was very helpful"

                                                            • Wayne Fellows
                                                              Wayne Fellows Mar 21, 2010



                                                              Oh here is the example pic..

                                                              Use Impact Slide Hammer and Axle Wheel Bearing Puller to remove the rear wheel bearing and the axle shaft oil seal.

                                                            • Wayne Fellows
                                                              Wayne Fellows Mar 26, 2010

                                                              Hello rkete147..Just a quick question..Did Fix Ya charge a fee for my FREE information?? Just wondering..WF Services

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