280zex Posted March 1, 2015 Report Share Posted March 1, 2015 1985 kc st 4x4 front diff leaking out the inpit shaft seal... Its a small leak, but its still a leak ;-/ The local shop said the diff must be removed to repair??? it seems odd that the diff needs to come out for repair??? Normaly i do all my own repair work, but i am now physicaly unable to fix it ;-/ I assume the retaining nut on that shaft is 250 ft lbs?? Quote Link to comment
datzenmike Posted March 1, 2015 Report Share Posted March 1, 2015 They just want to justify the cost, (pad it is more likely) 120-150 ft lbs. Remove the driveshaft, pinion nut, tap companion flange on the front and drive it off to the rear. You should be able to pry out the old one with a screw driver, if not... Drive a sheet metal screw into the old seal and pull it out with vice grips. May need to drill pilot hole and may need two screws. Tap new seal in and finish seating it by pounding on a block of wood to protect it. Installation is the reverse. One liter GL-5 80w90 or equivalent synthetic. 1 Quote Link to comment
280zex Posted March 2, 2015 Author Report Share Posted March 2, 2015 Yup, sounds like what i told the shop i went to. They want the diff out tho :-/ Unfortunately i am physicaly unable to fix it, broke my back a few months ago. I already traded my vw caddie to some guy off craigslist to get my blown trans replaced... Stupid leak ;-/ Quote Link to comment
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