Matt306 Posted July 25, 2016 Share Posted July 25, 2016 After a weekend of hard work I have achieved the following, the electric fan works a treat. I have used two motorcycle fans like this http://www.ebay.co.uk/itm/GENU.....?hash=item33bb903b9f they fit side by side and covert the rear of a herald radiator. An M22 boss with 89/78 temp sensor works a treat to turns the fans on and 40 seconds later fan off. This runs off a 15amp fuse.Today I got another 12 months of MOT brilliant, one advisory oil leak from back of car... hmm that's odd hadn't noticed anything on garage floor. I went home and checked no nothing left there from the morning. Parked the car up and fiddled with carb and timing as fitted a lumenition magnetronic mtk003 at the weekend. Then noticed a puddle of oil at the rear of the engine. When I had the engine out i replaced rear and front oil seals and all the gaskets. I found the oil running down from the engine side of back plate , and having checked the engine oil at the weekend i noticed a large drop, thankfully not under minimum though. So the oil is from the engine. I figure this is the rear engine oil seal? It has only done just over 600 miles though and some idling time... Any thoughts please. Quote Link to comment Share on other sites More sharing options...
swifty Posted August 22, 2016 Share Posted August 22, 2016 Could be a groove in the back of the crankshaft. Basically where the rear crank oil seal meets the crank it gradually wears a groove in the metal which means it won't seal anymore. I've had the same problem myself. Others have solved the issue using a "Speedi-sleeve" which is a cylinder of very thin stainless steel with a very tight interference fit that you tap onto the crank with a hammer, purposely designed to solve these exact issues They cost about £30 on eBay, but of course it's a gearbox out job to access it... Quote Link to comment Share on other sites More sharing options...
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