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New engine real main seal leaking done by engine shop

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wagsw900

06-18-2007 18:55:53




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Had my oliver engine rebuilt this winter by a local engine shop. I was going to put the engine back together myself. But as spring got closer I let them put it back together. Fired it up for the first time yesterday and everything seems good except one little thing. The rear main seal is dripping a few drips of oil. This motor was updated several years ago to a full circle seal so its not a cork one. Called the engine shop and told them the problem. They said keep an eye on it and if it still leaks take the engine back out and they'll fix it. Now shouldn't it be there responbility to pull the engine back out to fix there boo bo. Granted i put it in but its nothing i did. If it was a five minute job I wouldn't care but more like a day job. I paid big bucks to have this engine done right the first time to not have to pull it out again. So what do you guys think I should do???? I don't want to be a jerk to them but it's the fact that it is what they did, and i have to invest more time in something that they should be taking care of.

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ejr-IA.

06-19-2007 08:55:34




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 Re: New engine real main seal leaking done by engine shop in reply to wagsw900, 06-18-2007 18:55:53  
Was it line bored?I had one line bored once And the crank was not centered in the rear seal and it leaked bad.



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Walt Davies

06-18-2007 22:10:10




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 Re: New engine real main seal leaking done by engine shop in reply to wagsw900, 06-18-2007 18:55:53  
Well it could be or not look at the contract ans see if it covers RR engine for warrantee.

One thing that seal is neoprene it will either seal right now or leak forever. Trust me been there done that never seen one seal itself. Now the old seals made from leather or cork or felt those will seat in after awhile. They most likely cut the seal or rolled it over or some thing like that when they put it in. Or the seal and shaft are not the correct size.
Walt

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fixerupper

06-18-2007 20:31:05




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 Re: New engine real main seal leaking done by engine shop in reply to wagsw900, 06-18-2007 18:55:53  
I have seen a new,good quality, properly installed seal leak for awhile and then quit after it wore in a bit so I wouldn't get in a hurry to replace it right away. Jim



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NC Wayne

06-18-2007 20:23:28




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 Re: New engine real main seal leaking done by engine shop in reply to wagsw900, 06-18-2007 18:55:53  
Being a mechanic and having built engines for customers I can see both sides of the situation and I understand where your coming from as well as their position. Personally I test run every engine I build before it goes out the door simply to prevent problems like this. If they didn't have that capability, they had no way to know wether it leaked til it was on the machine and, unfortunately, it's biting you/theim in the tail. I've never had to pull one back out with any problems but if I built, and installed, an engine that had problems I'd pull it back out and repair my screwup and put it back at no charge over and above installing it the first time. As for an engine that was installed by a customer it would be on the customer to pull it and bring it back to me to repair my screwup. Being an independent there could be special circumstances where I'd do something different to keep a good customer happy but what I did and how much would depend on alot of different variables particular to that specific job. Many places that build engines don't actually have the capabilities to pull one, and that could be a factor in many cases. That said I think you'll find what your experiencing is the typical "warranty policy" for just about everybody, dealerships included, that do this type of work. In your case if they test ran it before it left their shop and it didn't leak that's all they can do. Unfortunately when an engine or whatever leaves the shop what happens then is out of everyones hands beyond knowing what should happen if the work was done properly. Now if the engine sat for awhile before you installed it then the seal may have had time to dry out or deform from the weight of the crank resting on it continously. In that case it very well may leak and like they said may also stop leaking after you run it and get it hot a few times so the seal swells and reseats itself. If this was the case and the engine sat before being reinstalled then be thankfull their willing to warranty their part of it because the fault wouldn't even be theirs. All in all something like this is always bad for all parties involved because nobody really wins and there usually winds up somebody going away unhappy. So, suck it up, pull the engine wether you really want to or not and let them fix their screwup. This time though make sure it's test run and the problem is solved before you put it back in. Good luck.

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uncle

06-18-2007 19:23:02




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 Re: New engine real main seal leaking done by engine shop in reply to wagsw900, 06-18-2007 18:55:53  
I feel for you but they are not going to R&R the engine that they did not install. You can pitch a fit but the bad thing is after the dust settles, your still going to have to pull the engine and take it to them.



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