Question about 2003 Jeep Wrangler

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Small oil leak from rear axle cover plate - 2003 Jeep Wrangler

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That cover generally does not have a seal but is glued on with silicone. You can fix the leak by removing the cover and scraping off the glue. Clean both surfaces well and while you are in there look at the remaining lube at the bottom and check for any metal debris. if there is a little there, clean it out. Re-fill the diff through the rubber plug on the cover. Do that on level ground, filling 'till the lube begins to run out. If the leak is from that plug, get one from a dealer or a scrapyard before starting the work. There are a few kinds of silicone...I generally use the red version and have no leaks.

Posted on Nov 09, 2010

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Posted on Jan 02, 2017

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SOURCE: Leaking rear axle seal

Yes...You need to also remove the cross shaft for the spider gears (retained by either a bolt or drift pin) and then push the axle inward to remove the "c" clip on the end.
It isn't difficult but you may want to get yourself a haynes or chiltons manual to help a bit.You need to take care that after the cross shaft is out that you don't let the spider gears walk out of the housing.

Posted on May 01, 2010

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You will have to pull the axles to remove the backing plates.Loosen the differential cover until most of the fluid drains,remove the cover.Rotate the diff until you can get at the small bolt that retains the spider gear pin.Remove the pin,push the axles in,remove the C-clips.You can now slide the axles out.(You might as well replace the axle seals while you're at it).If you clean the cover and diff housing thoroughly,you can put a small bead of silicone gasket maker to reinstall it.

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Leaking oil at the rear wheels can be one of two things, Easy fix is brake fluid, this would be the rear brake wheel cylinder leaking. Check your brake fluid tank under the hood for low fluid. If that is ok. Your leak may be your rear axle shaft seal. You need to remove the tire/wheel ether way. Jack up the car to pull the wheel, take your lugs loose while the tire is still on the ground, it is easy to take them loose this way. Take the EM: brake off, and jack up this side of the car. Your car could have disk or drums as both are offered on some Dodges. Once the tire is off you will see if you have disk or drums brakes. If drums you will need to pull the drum off at access the brake cylinder to see if that is leaking or not. If drums you have to back off the brake shoes by the adjusting wheel thru a small access window in the back plate. If you have disk brakes the caliper is right there and will be easy to see if it is leaking. If you have determined it is the rear axle seal leaking, this may be best done by a shop, due to needing a few special tools to remove the axle and then reinstall a seal. You will need a slide hammer. If drum brakes you will have to remove the brake backing plate, this means shoes and all hardware, please take pictures and get as good focus as you can to see how everything goes back together. Once down to the axle mounting, remove the 4 bolts and attach the slide hammer and pop out the axle, catch any fluid that will leak out, once out you can determine which type of seal set up you have as some have press fit collars that may have to be cut off. . Hope this helps FixYa up.

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I HAVE A 03 TOWNCAR WITH LEAKING OIL AT THE RIGHT REAR WHEEL. I NEED HELP ON HOW AND WHAT TO CHANGE. ALSO SHOULD I DO BOTH SIDES. THANK YOU JERRY SORRELL 337-842-0485


Leaking oil at the rear wheels can be one of two things, Easy fix is brake fluid, this would be the rear brake wheel cylinder leaking. Check your brake fluid tank under the hood for low fluid. If that is ok. Your leak may be your rear axle shaft seal. You need to remove the tire/wheel ether way. Jack up the car to pull the wheel, take your lugs loose while the tire is still on the ground, it is easy to take them loose this way. Take the EM: brake off, and jack up this side of the car. Your car could have disk or drums as both are offered on the 2003 Town car. Once the tire is off you will see if you have disk or drums brakes. If drums you will need to pull the drum off at access the brake cylinder to see if that is leaking or not. If drums you have to back off the brake shoes by the adjusting wheel thru a small access window in the back plate. If you have disk brakes the caliper is right there and will be easy to see if it is leaking. If you have determined it is the rear axle seal leaking, this may be best done by a shop, due to needing a few special tools to remove the axle and then reinstall a seal. You will need a slide hammer. If drum brakes you will have to remove the brake backing plate, this means shoes and all hardware, please take pictures and get as good focus as you can to see how everything goes back together. Once down to the axle mounting, remove the 4 bolts and attach the slide hammer and pop out the axle, catch any fluid that will leak out. Hope this helps FixYa up.

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Sep 19, 2010 | 1999 GMC Suburban

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When do you change the fluid in the rear differencial. I was told by a mechanic that the rear differencial fluid was low and had metal shavings in it, and that the fluid needed to be changed and that it...


I'd say yes. The differential fluid is often overlooked by oil change technicians, even though it's something that should be topped off periodically.

It probably would cost more than that to repair it once it wears out.
Axle Housing Assembly Removal & Installation To Remove:
  1. Lift the vehicle.
  2. Drain the lubricant from the rear axle housing.
  3. Remove the rear axle assembly from the vehicle.
  4. Remove the brake caliper brackets from the rear hubs.
  5. Remove the rear cover and gasket from the rear axle housing.
  6. Remove the rear axle shafts from the vehicle.
  7. Remove the rear differential assembly from the vehicle.
  8. Remove the brake backing plates from the rear hubs.
  9. Remove the rear drive pinion shaft yoke and seal from the drive pinion.
  10. Remove the drive pinion from the rear axle housing.
To Install:
  1. Install the drive pinion into the rear axle housing.
  2. Install the rear drive pinion shaft yoke and seal onto the drive pinion.
  3. Install the rear differential assembly into the vehicle.
  4. Adjust the differential side bearing preload and the backlash.
  5. Perform a gear tooth contact pattern check.
  6. Install the brake backing plates onto the rear hubs.
  7. Install the rear axle shafts into the vehicle.
  8. Install the rear cover and gasket onto the rear axle housing.
  9. Install the brake caliper brackets onto the rear hubs.
  10. Install the rear axle assembly into the vehicle.
  11. Refill the lubricant in the rear axle housing.
  12. Lower the vehicle.
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I think that changing the fluid would take about an hour, and depending on the garage, and the labor rate, that they might elect to take the rear cover off of the differential, and drain it that way and replace the fluid once it was put back on. He could inspect the gears while the cover was off and tell you how bad it was.'

Do you hear any clunking or gear mesh noises from the rear when putting it in gear or running the vehicle?


Some mechanics would simply top off the fluid and wait until it wears out, which could be several thousand miles in the future.

Use gear oil for it of the recommended viscosity in the service manual.

Generally thicker than motor oil.

So, adding fluid would cost only the amount of the fluid plus some labor.
A bottle of fluid might cost $9.99 or so depending on where you get it.

You might be able to do this yourself if you crawl under there, remove the fill plug at the top, and just add gear oil. If there isn't enough room you might drive it up on some ramps and then crawl under there.

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2 Answers

1994 buick roadmaster, oil leaking out of right rear axle, checked brake fluid is full, could it be differential oil leak @ end of axle??


If what you see leaking is very oily and does not evaporate, likely it is an axle seal. If there are no leaks in the brake system, that's the only thing back there that can leak. If the axle bearing is going away, it can damage the seal so make sure you look for small shiny metal flakes behind the seal when you replace it or you will be doing the job again very soon. Can't remember...that IS rear wheel drive right?

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1 Answer

I have a leak from my rear axle seal. How do you


JACK up the truck and block other rear wheel both back and take hand brake off ,,remove rear wheel/brake drum/handbrake cable from rear brake/remove metal brake hose/remove rearbacking plate with all parts fitted to it ie brakeshous 4or5 bolts holding the rear axle in to housing and when all parts off then put on a IMPACK PULLER and remove complete backing plate with axle assy and take to the engineering shop to get it pressed off and a new bearing and seal assy pressed back on .
Then refit in reverse of removal and bleed the brakes and top up the rear axle of oil (EP90) apply h/brake take out blocks and lower jack and test drive .. BUT MAKE SURE THE BRAKES ARE 100%

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How do you remove right rear axle on a 2004 ford crown vic to replace seal on wheel?


Section 05-02A: Axle, Integral Carrier — 8.8-Inch Ring Gear 1994 Town Car, Crown Victoria/Grand Marquis. Workshop Manual REMOVAL AND INSTALLATION Axle Shaft NOTE: Whenever replacing the rear axle lubricant, use Rear Axle Lubricant XY-90-QL (ESP-M2C154-A) or equivalent.
Removal
sra~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: The rear brake anti-lock sensor must be removed before the axle shafts are removed. The rear brake anti-lock sensor is bolted on the rear disc brake caliper anchor plate.
  1. Raise vehicle to desired working height. Refer to Section 00-02 . Remove rear wheel (1007) and tire assembly. Remove rear disc brake calipers (2552) and rear disc brake rotors (2C026) .




  1. Clean all dirt from area of axle housing cover with a wire brush and/or cloth.
  1. Drain rear axle lubricant by removing the axle housing cover .
  1. Remove differential pinion shaft lock pin and differential pinion shaft .


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  1. Push flanged end of the axle shafts toward the center of the vehicle and remove the rear axle shaft retaining u-washer from the button end of the axle shaft .



  1. Remove axle shaft from the rear axle housing , being careful not to damage the inner wheel bearing oil seal (1177) and rear brake anti-lock sensor ring.
Installation
NOTE: Check for presence of rear axle shaft o-ring (4A332) on the spline end of the shaft and install if not present.
sra~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Care must be taken not to let axle shaft splines damage oil seal or bearing assembly.
  1. Carefully slide axle shaft into rear axle housing without damaging rear wheel bearing (1225) or rear brake anti-lock sensor indicator (2C189) . Start splines into side gear and push firmly until the button end of axle shaft can be seen in the differential case .
  1. Install the rear axle shaft retaining u-washer on the button end of the axle shaft splines, then pull the shaft outboard until the shaft splines engage and the rear axle shaft retaining u-washer seats in the counterbore of the differential side gear .
  1. Position the differential pinion shaft through the differential case and differential pinion gears , aligning the hole in the differential pinion shaft with the lock bolt hole. Apply Rear Axle Lubricant to differential pinion shaft lock pin . Install differential pinion shaft lock pin and tighten to 20-41 Nm (15-30 lb-ft). sra~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Differential pinion shaft lock pin must be tightened to specification using Stud and Bearing Mount E0AZ-19554-BA (WSK-M2G349-A1) or equivalent.




    NOTE: Axle housing cover must be installed within 15 minutes of application of the silicone rubber or new silicone rubber must be applied.
    sra~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Make sure machined surfaces on both axle housing cover and rear axle housing are clean before installing the new silicone sealant. Inside of axle must be covered when cleaning the machined surface to prevent axle contamination. Tighten the cover bolts in a crosswise pattern to ensure uniform draw on axle housing cover .
  1. Apply Silicone Rubber D6AZ-19562-AA or BA (ESB-M4G92-A or ESE-M4G195-A) or equivalent. Install axle housing cover and tighten retaining bolts to 28-38 Nm (38-52 lb-ft).



  1. Add Motorcraft Rear Axle Lubricant XY-90-QL or KL (ESP-M2C154-A) or equivalent until it is 6-14mm (1/4-9/16 inch) below bottom of fill hole. Add 118.3 mL (4 oz) of Ford Additive Friction Modifier C8AZ-19B546-A (EST-M2C118-A) or equivalent to Traction-Lok axles. Install fill plug and tighten to 20-41 Nm (15-30 lb-ft).
  1. Install rear brake anti-lock sensor indicator . Tighten retaining bolt to 4.5-6.8 Nm (40-60 lb-in).
  1. Install rear disc brake caliper and rear disc brake rotor .
  1. Install wheels and tires.
---------------------------------------------------------
  1. Insert Rear Bearing Remover T85L-1225-AH in bore and position it behind bearing so tangs on tool engage bearing outer race. Remove rear wheel bearing and inner wheel bearing oil seal as a unit, using Impact Slide Hammer T50T-100-A.

    Rear Disc Brake Caliper Anchor Plate




  1. Lubricate the rear wheel bearing with Rear Axle Lubricant.



  1. Install rear wheel bearing into the housing bore using Axle Tube Bearing Replacer T78P-1225-A.



    sra~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Installation of rear wheel bearing or inner wheel bearing oil seal assembly without proper tool may result in an early bearing or seal failure. If inner wheel bearing oil seal becomes cocked in bore during installation, remove it and install a new one.
  1. Install the inner wheel bearing oil seal using Axle Tube Seal Replacer T78P-1177-A. Use Premium Long-Life Grease XG-1-C or K (ESA-M1C75-B) or equivalent between the lips of the inner wheel bearing oil seal .



  1. Install axle shafts as outlined.

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2 Answers

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you should have abut 8 or 10 bolts around the rear diff., take those bolts out, remove diff. cover and replace the diff. gasket.. this will fix your problem...

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