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240, rear crankshaft oil seal

B

Billythefish

New member
Joined
May 20, 2020
Location
France
Hi All
I'm replacing the rear crankshaft oil seal on my 91 240, Am I ok to run the engine in situ with flywheel & clutch back on before refitting gearbox? The reason I'm asking is that, I replaced the seal last week & it leaked worse than ever, so have to do it all again, must have done something wrong!, only thing I can see, is possibly the seal is not in dead square. I've had 2 240's in the past, bought this one to bring back to former glory, it had been neglected in the past, leaked oil when I got it. I did the flame trap a couple of moths ago.
 
When you install the seal. It may be that the crankshaft has a ridge from the lip of the seal using that surface for all these years. You can install the seal slightly deeper so the lip on the seal is on a fresh surface. Genuine volvo is the best seal to use.
 
Thanks for those couipler of tips, I was going to hunt for somer shorter bolts, but skts seems a good idea, and I didn't seem to feel a ridge on the crank, but I can see a discolored line so I'll avoid that,, let you all know Sunday, how it turns out!
 
^^

I use a flat washer under the head of the bolt to keep the bolt from tearing up the chrome on my sockets. The socket it just like having a stack of 30+ washers.
 
my-drive

Thanks everyone for help & advice, all done, no leaks,The difference between Volvo OEM seal & the one I bought from a specialist volvoparts online is incredible. tried to upload a photo, don"t know if it'll work. Next job Front Flexi brake pipes
 
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