Gromit Posted June 13, 2006 Share Posted June 13, 2006 Can someone confirm, is there an O-ring on the crank shaft behind the timing belt sprocket? If, so what's it's part number? I'd thought someone on here said there was. I will be pulling the sprocket to replace the oil seal behind it. I can't find any mention of the o-ring in the EPC, but from memory there was mention of it in the workshop manual. Sorry; brains 180 degrees out, and it doesn't run in this configuration Quote Link to comment Share on other sites More sharing options...
white90 Posted June 13, 2006 Share Posted June 13, 2006 yes there is on 300TDI Part number:ERR4710 unsure about a 200 Quote Link to comment Share on other sites More sharing options...
Gromit Posted June 13, 2006 Author Share Posted June 13, 2006 ahh right. Guess all will become clear when I pull the sprocket. Quote Link to comment Share on other sites More sharing options...
white90 Posted June 13, 2006 Share Posted June 13, 2006 I had trouble getting one at short notice. if you get stuck I can post you my spare Quote Link to comment Share on other sites More sharing options...
Gromit Posted June 13, 2006 Author Share Posted June 13, 2006 I had trouble getting one at short notice.if you get stuck I can post you my spare thanks a lot Tony. Will let you know Quote Link to comment Share on other sites More sharing options...
western Posted June 13, 2006 Share Posted June 13, 2006 (edited) Can someone confirm, is there an O-ring on the crank shaft behind the timing belt sprocket? If, so what's it's part number?I'd thought someone on here said there was. I will be pulling the sprocket to replace the oil seal behind it. I can't find any mention of the o-ring in the EPC, but from memory there was mention of it in the workshop manual. Sorry; brains 180 degrees out, and it doesn't run in this configuration For a 200Tdi ---- there is NO 'O' ring Seal on front of crankshaft, just the oil seal ETC5065 in the timing case recess behind the belt pulley [sprocket as you called it] & a dust seal in the front cover ETC4154 Look at the front cover page20 of 39 in EPC Edited June 13, 2006 by western Quote Link to comment Share on other sites More sharing options...
simonb Posted June 13, 2006 Share Posted June 13, 2006 On a 300 Tdi, there is a seal in the timing case front cover where the nose of the crank pokes through. If the crankshaft sprocket is removed (which it doesn't need to be to change the belt), there is a large o ring on the back of the sprocket which seals it against the oil pump (which is driven direct from the crank). Quote Link to comment Share on other sites More sharing options...
Gromit Posted June 14, 2006 Author Share Posted June 14, 2006 pulley [sprocket as you called it] Thanks all for your input. Yes Ralph, if it's toothed and goes round and round, regardless of what goes around it, I call it a sprocket. Must try and learn. Poo.. Pooooo... Poooooooooll... PooooooooolleeeeeeeSprocket. Quote Link to comment Share on other sites More sharing options...
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