Posted by ScottyHOMEy on October 07, 2008 at 17:59:17 from (70.105.228.59):
In Reply to: Re: first oil change posted by 7lazy77 on October 07, 2008 at 13:10:17:
I hadn't heard that one. It's a little unreliable as there are 14 other bolts on the pan other than the four long ones I mentioned. Burrs on threads and things like that will make bolts go back into the hole they came out of differently than they came out, and if they go into a different hole then there's all the more variables.
That and I've never seen a torque value for pan bolts, so don't be worrying about a torque wrench for that job.
Here's how I'd go at it. Clean the pan out well. Put solvents (kerosene, diesel . . .) to anything that doesn't come off with a simple pass of a paint scraper. Something like a Scotch- Brite pad can be used to clean up the gunk that you'll probably find around the lip and edge of the pan that the scraper doesn't get off, and any tough stuff you may find in the bottom. Once everything appears clean, wipe it all down with a rag. Follow that by spraying it down with an aerosol brake cleaner, doing your best to direct everything from the rim either outward or downward toward the oil drain hole at the bottom of the pan. Wipe what you can while it's still wet (the brake cleaner evaporates pretty quickly) and give it a last wipe with a clean rag to get all you can see that might have lingered.
Take that last rag and wipe down the bottom edge of the crankcase, and shoot it with break cleaner and wipe it down dry as well. Goggles and a rag over your mouth will help with this part of the job.
Depending on how it's been handled, the new gasket may or may not line up well with the holes on the top of your pan. Try to get it on dry, but if it takes too much fiddlin', you'll be ahead to hold it in place on top of the pan with a product like Permatex gasket cement on ONE SIDE ONLY, preferably the pan side. That'll allow you to put the pan up in place and wind a few bolts in by hand and keep the holes on the gasket lined up to get the rest of the bolts started.
I wish I knew how to best describe how tight to wind the bolts down (or up, as is actually the case). Finger tight plus a quarter turn like you described is a good rule for a starting point as long as you can get it up snug with your fingers but any warpage on the lip of the pan or burrs on the threads can throw that off. The best I can come up with off the top of my head is to take them to just a hair more than snug with a 3/8" ratchet with a handle in the 8" to 10" range for length. That or finger tight plus 3/8 of a turn. That would be for the 14 bolts. For the four long bolts, I'd go easier.
It's a cork gasket and will swell up some to fit and seal up when the oil gets to it. The key is to have the pressure on the gasket even all the way around it, whether that means a quarter turn, 3/8 or a half.
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