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One can purchase SKF contact seals bearings from Quality Bearings Online and Simply Bearings. A full list of stockists together with product descriptions is available on the SKF website.
You have to split the engine cases and remove the crankshaft. Then remove the crankshaft bearings. Use a seal driver or large socket and knock out the seals. Lube new seals and drive them in. Replace all the seals in motor, new crank bearings, and mine as well throw in a new piston and rings since its all apart anyway.
I believe its a cheap offbrand of national bearings and seals (BCA).
I believe its a cheap offbrand of national bearings and seals (BCA).
It would be recommended to replace the rear axle bearings and axles when they are worn/bad. If the bearings and axles are okay, just replace the seals.
Clean out the Throttle Body, Clean and or Replace the air intake filter, Change oil to a synthetic motor oil, Change the Main Bearings camshaft bearings. Install After Market Parts. Replace all Seals and Gaskets in the motor. Remove unnecessary weight.
So not to vibrate and put stress on bearings and seals.
Sure. Bearings and seals can wear out.
leaking grease or cracks Looseness
The carrier bearings or pinion bearings may be at fault.
You will have to give more information to get a good answer. Two wheel or 4 wheel drive, front or rear, etc.,, What year is it? Front wheel bearings on the mid 90" should be easy to change. Just remove the wheel, remove the bearings and the races (will have to be pressed or knocked out of the hub) then replace the races, first, then the bearings. Put plenty of grease on them . You should replace the seals as well. On the 1999 and probably later, you will find that they have a "double set" of bearings for each wheel with only one bearing race. You will have to have the old race pressed out at a machine shop and the new one pressed in, again press the bearings and put in new seals. Will cost over $100 per wheel for the bearings and machine work in most places, plus the cost of the seals.
Small layers of the clutches, seals, and bearings wear off with time.