Quote:
Originally Posted by macdoe
Barry, would that oil in the joint being 70w 90 be the same basic stuff as the gear oil in the diff itself?....if so would 75w-90 amsoil rear diff gear oil work? I cannot see any leaks on one axle (newer boots)but the other axle we just replaced has dry cracked boots. It is a spare we had around and they also don't appear to be leaking but it is so old looking that a shot of new oil might not hurt. It has hose clamps on the ends of the boots, that could be easily loosened to stick a needle through between the rubber and axle shaft.
I have an old 79 300D that apparently was owned by a religious minister of some sort before we got the car. It sounded from the guy we got it from that the church minister was the original owner. I wonder what that is all about....maybe just coincidence?
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I do not see why not. Actualy a lot of old cv joints could stand the addition of some new oil. Centrifical force tends to not make it a balance problem either. Only a couple of ounces though if the joints currently are quiet.
If the boots are not leaking I would consider it preventative in nature. Especially if looking at a long trip. For some reason even with no obvious leakage many joints get dried out.
Originally they had oil from new as well. Later joints or replacement axles may have grease. In my opinion oil is better.