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Re: No Oil Pressure on rebuild
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Posted by Jim Allen on June 19, 2007 at 06:03:40 from (209.173.160.22):
In Reply to: No Oil Pressure on rebuild posted by Thomas D Windsor on June 18, 2007 at 20:09:33:
Using pertroleum jelly in oil pumps has long been accepted practice for oil pumps in rebuilds, especially for engines with high-mounted, external pumps or those that will sit a while before being started. In fact, I had factory tech training (in England) on Land Rovers in the '80s and that was the recommended stuff. We also used it as a general purpose seal lube, even in automatic transmissions. It's gooy enough to help the pump prime and provide initial lubrication. It doesn't run out if the engine sits for a while before starting but it melts/dissolved very quickly and does not contain any elements that will contaminate the primary lubricant. There are probably better assembly-lube products available these days, but there's certainly nuthin' wrong with petroleum jelly. As to the problem at hand, presumably you filled the oil filter with oil first? Anyway, if you used a good assembly lube on the bearings, cam and other moving parts, you're OK to start the engine, IMHO, and let it idle for 10 seconds or so to get the oil pressure up. At idle, you aren't doing any more damage than spinning it over excessively with the starter. As stated, a pre-luber is the best idea if you can get your hands on one. Jim
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