I had a small leak on differential oil seal .- Where the big drive shaft enters the differential. I guess its called input differential seal. I avoided repairing it for 2 years now. Its a very small leak. But I think its time to reapir now before a total failure of that seal.

My Qs are

1. The seal is about 10-15 bucks max. But it does not look like DIY job. I am scared to attempt that myself.How much would it cost to replace that as a ball park figure - labor.

2. While they are at it should i replace anything else on that driveline.

3. And can any regular mechanic do it or will i have to take it to a dealer( and leave an arm and leg there).

Anyone knows any good mechanic in queens NY or visinity. PL GIVE ME THE BALL PARK FIG FOR LABOR . This way I dont get taken for a ride.
Thanks
MVK

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1985 300D Turbo 179,000miles