Dave B Posted December 10, 2013 Share Posted December 10, 2013 Anyone got an idiots guide to replacing the front oil seal. I seem to have a nasty leak and it was an advisory at the last mot. Due to limited space, is it possible to do this with engine in car? Should point out, K series. Thanks in advance Dave B Edited by - Dave B on 10 Dec 2013 10:27:30 Link to comment Share on other sites More sharing options...
oilyhands Posted December 10, 2013 Share Posted December 10, 2013 It is perfect possible to replace the seal, but be careful not to mark the front of the crank when you lever out the old seal and use a tapered sleeve to place the new seal, tap it fully home with a large socket and make sure it is square. Be careful with the cam timing and ensure the crank bolt is done up sufficiently tight. If the belt is fouled with oil, replace it. Oily Edited by - oilyhands on 10 Dec 2013 11:52:05 Link to comment Share on other sites More sharing options...
myothercarsa2cv Posted December 10, 2013 Share Posted December 10, 2013 I managed it fine with Oily's instructions as above. And if I can do it, anyone can 😬 Getting the pulley off was the hardest bit Link to comment Share on other sites More sharing options...
Englishmaninwales Posted December 10, 2013 Share Posted December 10, 2013 I managed it quite easily with the engine in situ. Make sure you use an OE seal as I found an non OE seal to be undersize ☹️ Link to comment Share on other sites More sharing options...
Dave B Posted December 11, 2013 Author Share Posted December 11, 2013 How would I lock the flywheel so as to undo the crank pulley bolt? I have ordered the cam locking tool but where can I get a sleeve to refit the oil seal please Dave B Link to comment Share on other sites More sharing options...
Mankee Posted December 11, 2013 Share Posted December 11, 2013 You can jam a big screwdriver or chisel in the gap at the back of the engine (i.e. offside) to stop the flywheel from turning when you undo it and torque it back up again after you've done the job. The genuine oil seals should come with a sleeve to protect the nose of the crank when fitting. If you get stuck, I have one that I could post over to Gran Canaria. I'm pretty sure I didn't bin it, as I tend to save stuff for a rainy day. Link to comment Share on other sites More sharing options...
revilla Posted December 11, 2013 Share Posted December 11, 2013 Despite being so advised by many people (including yourself Mankee) and Oilyhands that a screwdriver would suffice (and I'm certainly not arguing that it wouldn't) personally I didn't fancy the idea as the crank pulley is very very tight, so when I was changing my head gasket I bought myself a Laser 4523 Flywheel Locking Tool (all over eBay), which I was told wouldn't fit with the Caterham bellhousing in place, and as you can see in the picture it was possible to pack a few washers behind it to lock the flywheel with absolutely no chance of anything moving or slipping. I used slightly oversized washers and filed a very slight flat on one side to make sure they were a snug fit. Probably complete overkill but I've since used it on another engine I've been building up and works a treat. http://revilla.dyndns.org/Public/CrankLock2.jpg Link to comment Share on other sites More sharing options...
myothercarsa2cv Posted December 11, 2013 Share Posted December 11, 2013 Quoting Mankee: I'm pretty sure I didn't bin it, as I tend to save stuff for a rainy day. I definitely have one I'm happy to post. Got a seal as well, I'm sure. From Rimmer so OE. I used a G-clamp to secure the screwdriver. Revilla, looks like you removed the starter motor to use that? Way too much effort Link to comment Share on other sites More sharing options...
revilla Posted December 11, 2013 Share Posted December 11, 2013 Didn't seem like much extra effort as part of a head gasket change 😬 Link to comment Share on other sites More sharing options...
Mankee Posted December 11, 2013 Share Posted December 11, 2013 Fair play to you, Andrew. There is more than one way to skin a cat. Link to comment Share on other sites More sharing options...
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