Marius Posted May 27, 2002 Share Posted May 27, 2002 Just have been around the block yesterday for a few "laps" and did some donuts on a huge empty parking place right in the middle of nowhere (I know I shouldn´t have shared that beer with Arnie..teeth.gif). When returning home (10 mins later) I realised a lot of oil on the top of my fuel cell which must have been spit out of the breather-pipe of the Diff. Did this problem occur to anyone else yet ? I never had the Diff spilling oil out of the breather, did that really have to do with a few tight circles ??? Diff is a ZF 20% 4.11. Marius Link to comment Share on other sites More sharing options...
Alex Wong1697456877 Posted May 27, 2002 Share Posted May 27, 2002 My ZF 3.92 diff used to chuck oil out - usual cause is overfilling. Mine was because I put the tapered breather in the wrong way around. The opening of the part that goes into the casing should face the casing, not the diff. There is a mark on the outside of it which should line up with a mark on the case. The other cause of a diff leaking I had was a poorly seated half shaft seal. Link to comment Share on other sites More sharing options...
Graham Perry Posted May 27, 2002 Share Posted May 27, 2002 I would imagine that the doughnut may be the reasons the centrifugal force would throw the oil to the back of the diff where the breather is. No doubt Arnie can give detailed advice as he is the doughnutmeister Link to comment Share on other sites More sharing options...
Marius Posted May 27, 2002 Author Share Posted May 27, 2002 Alex, 0.9 Liter went in, exactly after filling instructions of the manual. I can only imagine that the doughnuts ´caused this leakage and threw it out. Back plate and half-shafts seem to be fine & dry but I´ll check the breather alignment today. Arnie, it´s all your fault ! Please delete those videos from the internet....smile.gif Marius Link to comment Share on other sites More sharing options...
Peter Carmichael Posted May 27, 2002 Share Posted May 27, 2002 When you get any speed difference across a differential it generates a lot of heat. An open differential will run at 100 degrees C. A limited slip diff, being asked to work a lot may have got your oil a lot hotter still. If you think this is likely to happen again, run a hose from the breather into the bottom of an expansion bottle. Any oil that gets thrown out will get sucked back in when everything cools down. eek.gifPeter the Arnie Webb wannabeeek.gifid=yellow> Edited by - Peter Carmichael on 27 May 2002 16:30:09 Link to comment Share on other sites More sharing options...
New Barbie Posted May 27, 2002 Share Posted May 27, 2002 My dif recently spat out some oil having had its share of donut duty - I think it was just taking a breather after working hard. Link to comment Share on other sites More sharing options...
Alex Wong1697456877 Posted May 27, 2002 Share Posted May 27, 2002 Mine did it mainly on wet trackdays. Never done a doughnut (intentionally anyway) Alex Wong www.alexwong.net www.slipstream-trackdays.co.uk _________ / __ __ / ___ _//__T/__/_ ___ / (_) (_)/ /`-'/o/ _______ /o/`-'/ / /// ( VDU7X ) // / /___/--_________/--/___/ Link to comment Share on other sites More sharing options...
EFA Posted May 27, 2002 Share Posted May 27, 2002 They only do it on anticlockwise doughnuts. Fat Arn Visit the K2 RUM siteid=red> See the Lotus Seven Club 4 Counties Area Website hereid=green> Link to comment Share on other sites More sharing options...
Marius Posted May 28, 2002 Author Share Posted May 28, 2002 Spooky, in fact I DID anticlockwise doughnuts. Meister Arnie, you´re scaring me...teeth.gif Marius Link to comment Share on other sites More sharing options...
EFA Posted May 28, 2002 Share Posted May 28, 2002 Of course, but then I know your car is LHD and anticlockwise is the natural way to do them! Fat Arn Visit the K2 RUM siteid=red> See the Lotus Seven Club 4 Counties Area Website hereid=green> Link to comment Share on other sites More sharing options...
EFA Posted May 28, 2002 Share Posted May 28, 2002 Count is of course unnatural at most things he does: Appetite for caffine Appetite for CR500's on the road Wanting to be like Peter C Wanting to be like me Wanting to be an AW/PC hybrid List is endless...... Wendy, are you reading this? Fat Arn Visit the K2 RUM siteid=red> See the Lotus Seven Club 4 Counties Area Website hereid=green> Link to comment Share on other sites More sharing options...
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