Question about 2004 Infiniti QX4

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I have a 2002 Infniti QX4 RWD. There is a grease leak (not an oil leak) on the front part of the axle that connects to the differential. The axle has two parts (the front ...which is where the problem is and is about 12 inches long with a rubber boot over it; and a back part..which is ok). Don't know if this part is repairable or if I have to by a new "whatever it is" becasue I cannot find it on-line.

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Its called the drive shaft,and you cannot repair.you have to buy the whole thing gaiters and all.

Posted on Aug 24, 2010

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I have a 2004 ford explorer all wheel drive what would make the front differential fluid leak out where the cv axel is connected but this only happens when the wheels are turned and moving backwards


if independent suspension, I would be suspecting a failing bearing/bush inside the oil seal allowing the axle to move away from the oil seal lip
I f solid front axle , I would be checking the wheel bearings for failure and pulling the axle out of alignment with the oil seal in the axle housing

Dec 11, 2015 | Ford Cars & Trucks

1 Answer

1998 ford explorer 2 wheel drive rear wheel bearing replacement


what about it?

conventional axle or limited slip? Get axle code off door sticker.

SECTION 205-02: Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear 1998 Explorer/Mountaineer Workshop Manual
IN-VEHICLE REPAIR Rear Wheel Bearing and Axle Shaft Oil Seal -4.0L SOHC and 4.0L EI, Conventional
Special Tool(s) swn~us~en~file=st1514a.gif~gen~ref.gif Axle Seal Replacer
T83T-1175-A swn~us~en~file=st1283a.gif~gen~ref.gif Axle Wheel Bearing Puller
T83T-1225-A swn~us~en~file=st1322a.gif~gen~ref.gif Axle Wheel Bearing Replacer
T83T-1225-B swn~us~en~file=st1326a.gif~gen~ref.gif Driver Handle
T80T-4000-W swn~us~en~file=st1185a.gif~gen~ref.gif Impact Slide Hammer
T50T-100-A
Removal
  1. Remove the axle shaft; refer to Axle Shaft in this section.
Axle Shaft Removal
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not use heat to loosen a seized lug nut. Heat can damage the wheel (1007) and the rear wheel bearings (1225).
    Loosen the lug nuts (1012).
    1. Remove the center cap.
    1. With the weight of the vehicle on the wheels, loosen the lug nuts.
  1. Raise and support the vehicle.
  1. Remove the wheel and tire assembly.
    1. Remove the lug nuts.
    1. Remove the wheel and tire assembly.
  1. 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.
  1. Remove the rear disc brake rotors (2C026); refer to Section 206-04 .
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif 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.
    Remove the differential pinion shaft.
    1. Remove the differential pinion shaft lock bolt.
    1. Remove the differential pinion shaft.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the rubber O-rings in the U-washer grooves.
    Remove the U-washers (4N237).
    1. Push the axle shafts inboard.
    1. Remove the U-washers.
  1. Reinstall the differential pinion shaft.
    1. Install the differential pinion shaft.
    1. Install the differential pinion shaft lock bolt finger-tight.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the inner wheel bearing oil seal (1177).
    Remove the two axle shafts.
Installation
  1. 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. swn~us~en~file=ani_caut.gif~gen~ref.gif 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 chipped or damaged components.
    Remove the differential pinion shaft.
    1. Remove the differential pinion shaft lock bolt.
    1. Remove the differential pinion shaft.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the inner wheel bearing oil seal.
    Install the two axle shafts.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif 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.
  1. 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.
  1. Install the rear disc brake rotors; refer to Section 206-04 .
  1. Install the axle housing cover and fill the rear axle housing (4010) with 2.4 liters (5.5 pints) of specified lubricant; refer to Axle Housing Cover in this section.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif 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 contact at the wheel 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.
  1. Install the tire and wheel assembly.
    1. Position the tire and wheel assembly.
    1. Install the lug nuts and lower the vehicle.
    1. Tighten the lug nuts.
    1. Install the center cap.


  1. swn~us~en~file=ani_caut.gif~gen~ref.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 leaking, the axle 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.
Installation
  1. Lubricate the new rear wheel bearing.
    1. Use Thermally Stable Rear Axle Lubricant XY-80W90-QL or equivalent meeting Ford specification WSP-M2C197-A.
  1. Use Axle Wheel Bearing Replacer with Driver Handle to install the rear wheel bearing.
  1. Lubricate the lip of the new axle shaft oil seal.
    • Use Premium Long-Life Grease XG-1-C or equivalent meeting Ford specification ESA-M1C75-B.
  1. Use Axle Seal Replacer with Driver Handle to install the axle shaft oil seal.
  1. Install the axle shaft; refer to Axle Shaft in this section.

May 18, 2011 | Ford Explorer Cars & Trucks

1 Answer

Rear left wheel bearing is squeaking


Replacing a bearing requires pulling the axle so the old bearing can be forced off with a hydraulic ram and the new bearing installed. As with front bearings, the oil seals or O-rings must also be replaced so oil from the differential doesn't leak onto the rear brake linings. Be sure to check the oil level in the differential if the old seals have been leaking, and top off the level if low with the recommended gear oil. I provided you a link for this issue.

Nov 09, 2010 | 2002 Chevrolet TrailBlazer

3 Answers

Grease leaking from front end


Check the axle boot. When they rip or crack they will sling grease around.

Oct 29, 2009 | 2000 Chevrolet Blazer

1 Answer

I hired a new mechanic to repair rear left oil


5 hours sounds about right plus seals and grease

Jul 13, 2009 | 2002 Chevrolet Tahoe

1 Answer

Grease and differential oil inside left rear drum


Not that difficult, raise and support the rear of the truck and remove the wheels. Might as well replace both sides so you know you have new seals, remove the differential cover and drain the fluid. Once differential is opened and cleaned , remove the axle "C" clip that hold the axle in place and slide the axle out. Once the axle is out remove the wheel seal and clean around the area. This would be a good time to replace the wheel bearing too since you have access to them and there not that expensive. Install the new bearing and seal, note make sure you oiled the bearing and seal before installing it back and take care when installing the axle back in and "C: clip. Use RTV silicon gasket maker to seal the differential cover and wheels back on and lower. If your lazy like i am, you can drain the differential fluid and replace it with a 50/50 mix with gear oil and Lucas engine oil additives. That may stop the leak and get you a few more miles. You gear oil is (ford 75W-140) (Dana 80W-90)and the capacity is 2.6 liters and 3.5 liters if you have the 10.25 Ring gear. Good luck and hope this helps.

Jul 07, 2009 | 1998 Ford F150 Regular Cab

2 Answers

Rear axle seal leaking how difficult would this be to fix


Not that difficult, raise and support the rear of the truck and remove the wheels. Might as well replace both sides so you know you have new seals, remove the differential cover and drain the fluid. Once differential is opened and cleaned , remove the axle "C" clip that hold the axle in place and slide the axle out. Once the axle is out remove the wheel seal and clean around the area. This would be a good time to replace the wheel bearing too since you have access to them and there not that expensive. Install the new bearing and seal, note make sure you oiled the bearing and seal before installing it back and take care when installing the axle back in and "C: clip. Use RTV silicon gasket maker to seal the differential cover and wheels back on and lower. If your lazy like i am, you can drain the differential fluid and replace it with a 50/50 mix with gear oil and Lucas engine oil additives. That may stop the leak and get you a few more miles. You gear oil is 75W-90 and the capacity is 2.6 liters and 3.6 liters if you have the 11.50 Ring gear. Good luck and hope this helps. 

Jul 03, 2009 | 2002 Chevrolet Tahoe

2 Answers

Rear axle leaking


Block the front tires. Break the rear lugs loose. Jack up the rear of the truck at the center if possible. remove the wheels & brake drums. Remove the brake shoes,return springs & all the other hardware. Remove the differential cover & drain oil. If you have a posi the next step sucks. You need to remove the threaded pin from the housing & remove the axle retaining clips. All the while,being carefull of the spring in the posi unit. If no posi,then same procedure,minus the "pucker factor". After the axle is out,take a large flat blade screw driver or pry bar & pop the seal out. Keep in mind the axle bearing is probably gone too , so that's another procedure. Keep it apart,you'll be glad you did.

Jun 23, 2009 | 2004 Ford F150

3 Answers

Rear differential / axle noise and vibration.


At this point, I would take the cover off of the differential and look inside. You may be able to do it yourself or have someone else look at it. If there is a problem, you should be able to see it. Look for metal shavings and burned parts.

Do not wait, as this problem can go from a small problem to a big one fairly quickly if it isn't already too late.

Differentials don't last long without lubrication.

If you need more help, post a comment and I will get back to you.

Thanks,

Tim


May 08, 2009 | 2002 Ford Escape

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