Question about 1998 Chevrolet C3500
How to get to the seal
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Posted on Jan 02, 2017
SOURCE: Rear Axle Removal
if you are talking about the axle seals, 1.REMOVE THE WHEELS.2. REMOVE THE DIFF COVER(slowly)3.REMOVE THE BRAKE CALIPER ASSEMBLY.4.REMOVE THE 8MM PIN IN THE DIFF CARRIER. 5.TURN CARRIER AND REMOVE THE LARGE PIN.6. FIRMLY HIT IN THE AXLE, A SMALL RETAINING C CLIP WILL FALL INTO THE DIFF HOUSING. DO THE SAME WITH THE OTHER SIDE. ( be careful if you have rear speed sensors remove it when you remove the brake calipers . you will break it when you are pushing in the axles.)7.pull axles and replace seals
Posted on May 30, 2008
Here is a picture step by step guide from autozone:
Posted on Jun 02, 2009
To change the rear seal, yo will need to raise and support the rear of the vehicle. Remove the wheels and drums or rotors (depending on drum or disc brakes.) Remove the rear differential cover bolts and the cover (have a drain pan under the differential) You will likely need to turn the driveshaft so the center pin bolt is acessible at the back or the differential. This is a 5/16" (or 8mm) bolt that is on the right (passenger) side of the differential carrier assembly. I recommend a new bolt be installed here on reassembly. Once the retaining bolt is out, slide the center pin out enough to allow the axle shafts to be pushed in toward the center of the diff. to remove the "C" clips that retain the axle shafts in the carrier assembly. Be careful if you happen to pull the center pin all the way out not to allow the carrier assembly (has the ring gear mounted on it) to turn, as this can rotate the spider gears out of alignment causing a headache on reassembly. With the "C" clip removed the axle shaft can be pulled out of the diff. Inspect the bearing area of the shaft for rust, pitting, or scoring. Remove the old seal and carefully install the new one. Reverse proceedures to install. Take care to note the "C" clips and center pin bolt are properly reinstalled. Fill with 2.5 to 3 quarts of rear axle grease for you vehicle.
Posted on Oct 25, 2009
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