I have a Bad oil leak from round the crank timing sprocket. I have had the sprocket off and a new oil-seal and thrust ring were fitted as the old thrust ring was badly worn and scuffed.
Trouble is it is still leaking, but worse than before by the look of it. I have taken off the alternator pully and the oil is almost definatly coming from the sprocket.
I had tightened the crank bolt up as far as I could by locking the engine with a bar and first using an air gun then finishing it off with a 24" breaker bar, but still it leaks.
Before I remove the belt again and make sure it is all assembled correctly does anyone have any tips on how I can get the crank bolt fully tight? The thrust ring needs to be compressed to fit and seal the joint and I don't think I got it tight enough.
Are you sure it's not the oil pump gasket? TBH, I would have changed that if I'd gone to the trouble of getting that b*stard crank pulley bolt undone.
I did all this on the LET engine, I've still not fully tightened the pulley bolt and it's all bone dry.
Anyway, to answer your question, try doing it the Oddball way-
remove the clutch inspection plate and flywheel cover.
Remove a clutch bolt, and put it in t'other way round, screwing it in all the way.
Turn the engine over, the bolt will catch, locking the flywheel.
You can then do up your crank pulley bolt.
Alternatively, you can buy tools from sealey to lock the fly.