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Top of the housing on the transmission where the right axle shaft goes.
Axle shaft seal.Axle shaft seal.
It is rear wheel drive. You can tell from the drive shaft extending to the rear axle from the transmission.
Something has happened there. If it isn't in all the way it can do that.
Rear you have to change the entire hub assembly Front you have to remove the axle shaft
Axle shaft, steering shaft, drive shaft, distributor shaft
First off do you want to change an axle shaft or the complete axle housing? for the axle shaft,jack the rear of the truck up take off the wheels and brake drums.make sure truck is securly supported with jackstands.remove the differental cover locate the bolt that holds the cross pin in the carrier.remove the bolt,slide out the cross pin.push the axle in towards the center and remove the c-clip holding the axle in.remove the axle shaft carefully so not to damage the bearings or seal.
Axle
The axle shaft is retained from the inside with a horseshoe looking clip.The axle shaft is retained from the inside with a horseshoe looking clip.
Remove the old one, by removing axle nut and ball joint, then swing strut and hub assembly over.. Tap shaft out at transmission side then pull out as complete unit. Ensure that everything is clean before installing new shaft.. to install repeat process in reverse..
To remove the axle shaft, first remove the wheel, and brake drum/rotor. Second, remove the differental cover. Third, remove the bolt holding the spider gear shaft, and remove that shaft. Fourth push inward on the axle shaft to remove the horseshoe clip on the inside. The axle shaft will now pull out.
The 1998 GMC Jimmy front axle shaft torque specification is 60 pounds. You want to make sure that you do not over torque the axle shaft, as you can ruin the axle bearing.