Question about 2004 Jeep Grand Cherokee

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How do you replace the rear axle collar? - 2004 Jeep Grand Cherokee

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Remove the wheel. Push the brake caliper piston back with a prybar or heavy screwdriver to make clearance to remove the caliper. Remove the entire caliper assembly by removing the 2 large bolts with an 18 mm socket and breaker bar.(they are tight!). Remove the rotor. Remove the 4 nuts on the axle retaining ring located behind backing plate using a 9/16" wrench. Attach a slide hammer to the wheel studs on the axle and hammer the axle out. Put the axle in an arbor press and press the bearings off of the axle. Press new bearings, seal and collar back onto the axle. Reassemble the rotor, caliper, etc. This can be done at home if you have access to a slide hammer and arbor press and some basic hand tools.

Posted on Aug 27, 2010

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Front diff. wont lock into 4x4. Transfer case is working. Vacume Dia. under battery tray is working. Could the shifting fork in the diff be broke


The cable from the differential to the accumulator should move somewhat freely. If it does not, then the cable may be froze up. You can lubricate it with some penetrating oil and work it to free it back up. You may have to remove it to free it up properly.You may find the cable shield towards the bottom end is broke off and the cable may completely be froze up, it's common on the Blazers. You can try pulling on the rod that the cable clips into in the front diff to disengage the front axle. If you cannot get it to engage that way, then you will likely have to pull off the passenger side extension housing to access the engagement collar and fork. If you cannot get it to engage by pulling on the fork in the axle, then you will likely have to disassemble it.

You will likely have to file down the leading edge of the gears. They should be beveled on the sides of the spline to aid in engagement. Hopefully yours is not chipped like the one in the front of my old S10. Mine chipped the splines on the axle and split the collar from being partially engaged under power

The right axle and has splines at the end of it. The Output Shaft slides into the carrier and has large teeth on the other end. The collar it has large teeth inside it that mate with the Output Shaft with the Fork.

The collar rests on the axle, the fork wraps around the collar. Then you push the 4x4 button or shift your transfer case into 4x4 it starts spinning the front drive shaft, which spins the carrier and the short shaft. Now your in 4x4, BUT the front axle needs to lock the right axle with the carrier. A switch on the transfer case routes engine vacuum to a diaphragm under the battery tray, that diaphragm pulls a cable which pulls the collar and forces it over the short shaft. Now your front diff is locked. When you take it out of 4x4 the vacuum switch closes and a spring pushes the fork and collar off the shaft unlocking the front diff.

The problem with mine I think is that the large teeth on the Output Shaft and the inside of the collar are worn at the tips, not allowing them to join together, and the more I drove it around with it clicking, thinking it would lock eventually it just wore the tip of the teeth more.

If that is the problem, You should not have to mess with the differential case. You should be able to get the passenger axle extension tube off, but it may require popping a ball joint, then disconnecting the CV shaft from the axle extension tube, which would allow you to then pull the extension tube.

Good luck and hope it's just the shift cable retaining clip in the housing that broke.

Dec 30, 2009 | 1997 Chevrolet Blazer

3 Answers

The car is leaking oil and the mechanic said it was because there is a whole in the oil pan and it will cost 1800 to fix. can i buy another oil pan and put it on myself?


OIL PAN
REMOVAL
Drain engine oil.
Remove front engine mount bracket.
Remove power-train bending strut.
Remove structural collar from oil pan to trans-axle Structural Collar - Removal and Installation
Remove trans-axle lower dust cover.
If equipped with air conditioning, remove oil filter and adapter.
Remove oil pan.
Clean oil pan and all gasket surfaces.
INSTALLATION
Apply Mopar® Silicone Rubber Adhesive Sealant or equivalent at the oil pump to engine block parting line Oil Pan Sealing
Install a new oil pan gasket to pan.
Install pan and tighten screws to 12 N·m (105 in. lbs.)
Install oil filter and adapter.
Install trans-axle lower dust cover.
Install power-train bending strut.
Install front engine mount and bracket
CAUTION: The torque procedure for the structural collar must be followed, as damage to oil pan or collar could occur.

Install the structural collar Structural Collar - Removal and Installation using the following 3 step torque sequence:
Step 1: Install the collar to oil pan bolts and tighten to 3 N·m (30 in. lbs.)
Step 2: Install collar to trans-axle bolts and tighten to 108 N·m (80 ft. lbs.)
Step 3: Final torque the collar to oil pan bolts to 54 N·m (40 ft. lbs.)
Fill engine crankcase with proper oil to correct level.

Auto Zone carries the Oil pan you need for around $75.00 and they will have the step by step instructions for you to replace the oil pan. will take just over 2 hours for the average person. Good luck and keep me posted.

Nov 30, 2009 | 2002 Dodge Neon

1 Answer

How to pull the collar from the rear end


which collar? the one on the axle? if so it must be cut off, or split with a chisel, you cant reuse it, you must replace it. be careful if it has ABS brakes, the placement of the tone ring is very critical.

Oct 08, 2009 | 1990 Toyota 4Runner

1 Answer

How do you remove c-clips on axle of 95 ford rear end?


If you have already removed the outer axle bearing cover in the rear hub, try popping the axle out as some of them have a compression clip holding it in place in the differential. If it doesn't pop loose, you wil have to remove the differential cover and push the axle inward enough to access the retaining clip to remove it. It should slide out fairly easile once the axle is pushed in far enough to clear the retainer clip lock collar.

Aug 17, 2009 | 1995 Ford F150 Styleside Regular Cab

1 Answer

How do you change rear bearing on axle


1. first you must take off the wheels.
2. Now remove the caliper and then slide off the rotor.
3. remove the cotter pin on the hub and the lock collar then with a impact remove the 36mm nut on the shaft.
4. there are 4 bolts on the rear of the hub. rotate the axles so that you can remove them.
5. once these are removed, grab the spindle and shake it loose off the splines.
6. the tuff part is pressing the bearings off the spindle. I used a hydralic press to do it. the only pain was that the inside race of the bearing wouldnt come off so I had to cut it off.
7. now press it all back together. make sure it is all the way to the stop
of the spindle.
8. reinstall it back to the hub, those 4 bolts, not forgetting to clean off splines.
9. Now the spindle nut must be torqued down to at least 206 ftlbs and no more than 276 ftlbs. after that is down add the lock collar and install a NEW cotter pin.
10. reinstall rotor and caliper and wheel.

hope it helps-

Aug 16, 2009 | 1987 Nissan 300ZX

1 Answer

Rear Axle Seal Replacement


remove rear tires, then remove brake calipers and rotors, then remove the 4 nuts (each side) that hold the axle shafts to the axle tube (located around the axle tube behind the backing plate) then using a slide hammer pull the axle shafts out, next using a die grinder and an air hammer get he retainer collar and the bearing off (without damaging the axle shaft) then remove the seal and the outer race which will still be in the housing. next put it all back together, make sure the plate with the studs is still on then slide the seal, bearing, then retainer on (all new parts) and using a press push them all the way back on. then is simple reassembly.

Apr 21, 2009 | 2004 Jeep Grand Cherokee

1 Answer

I have a 91 4 runner that just started making a (hard to describe) periodic buzz/whine sound coming from the right front driveshaft/axle area mostly when 4x4 is disengaged


Neal, it may not be the right front axle. I thought I had the same problem with 97 4Runner but it turned out to be the right rear axle bearing. Even the technican thought the niose was coming from the right front axle when he test drove it with me. Seems those rear bearings go out if you do a lot of towing with the truck. Cost about $ 400.00 to replace make sure they replace the ABS sensor collar and replace the axle breather tube vent ( they get plugged and when they replace the bearing , they have to replace the seal in the axle also and mine leaked after because of a plugged axle vent.

Dec 20, 2008 | Toyota 4Runner Cars & Trucks

1 Answer

Rear axle bearings need replaceing I hear grinding


Go to Jeep and buy a bearings, seals, and collar. The bearing is held in place on the axle by a keeper collar. This must be cut off to get the old bearing and seal off. Use a wizz wheel to cut it and then whack it with a chisle

To get the axle out. Remove rear diff cover, and wheel and start taking apart. It's not a terrible job, but if you aren't very mechanically inclined, take it to a shop. Make sure you use the correct fluid in the differential.

Nov 18, 2008 | 1996 Jeep Grand Cherokee

1 Answer

How to Change Rear Axle Seal?


When you take the rear drum off, look where the axle goes in and if there are 4 bolts around it, you don't have to go into the diff. If there are no bolts holding the axle in, then get a repair manual to guide you through the steps. The seal on an axle that is bolted in place will have a collar that needs to be pressed off and a new one back on. These seals can be bought at a local partsd house.

Nov 09, 2008 | 1989 Jeep Wrangler

1 Answer

Rear end seal leak


You must be refering to the side seals. common problem. the actual problem with those rear ends is the air breather, which cloggs up and that's when your seals blow out, because the pressure in the rear end has nowhere to go and so your seals get blown out. I just did a set on Monday. Anywho, you will need some specialty tools for this. You will need to remove both rear brake assemblys (rotors, calipers). Than look on the other side of the backing plate, there you will see 4 big nuts that hold the backing plate on the axle tube (rear end). Remove those 4 nuts and that's where specialty tools become usefull. You will need a slide hammer. You need to attach the slide hammer onto the axle right by the studs. Use factory whel nuts to attach. Remove axle out of the housing with few good slides of the slide hammer. Once the axle is out, you need to remove the snapp ring, then cut the colar off and remove colar, then remove the old bearing and thats where the seal is. Big help doing this job is a pneumatic air hammer, which helps you remove the stuff off the axle shaft and the slide hammer to remove the axles out. You will need 2 seals, 2 bearings and 2 collars. You may also need the plates with the studs, which had the big nuts, that you removed in first steps of this repair. Kind of a job for someone that has been working on cars and has the tools to do it. Good luck. Oh ya, change the breather and the fluid in the rear end.

Oct 21, 2008 | 2004 Nissan Titan

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