Location of New Seal: [Inquiry:] Im still at a loss as to how deep to press in the main seal – should it be flush with the housing or jammed all the way in?
[Response : Rob Abel] See if you can get a good look at the surface of the crankshaft which was in contact with the lips of the old seal. Sometimes, grit gets in there and causes ridges to wear in the crankshaft. Because of this, many will seat their seals a bit deeper, to offset the lips of the seal from the more abrasive surface of the scratched crankshaft. The idea is to seat the seal so it contacts the crankshaft at a smooth point. Doesn’t really matter whether it’s flush or all the way in. I would put it just inside of flush if you can, but it depends on the cranks surface. [Another:] If you install the seal about 1/16″-1/8″ further in than the old seal, the lip will have a fresh surface on the crank. [Tip from Washington Volvo Club] Care is required when installing front oil seals-DON’T push in too far. DON’T get it more than 1/16 to 1/8 in. past flush. Pressing in the New Seal: Installation is NOT the reverse of removal. I used my hands to gently but forcefully press the seals i
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