Found something interesting
02-17-03, 11:09 PM
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Found something interesting
Was working on my brother's 85 GS today, and while trying to find an oil leak I found something very interesting. Stuck to the inside of the exhaust manifold heatshield were 2 small, cylindrical magnets, about 1.5 to 2 inches in length, and what appeared to be a ribbed cap (of a similar diameter). I can't figure out where they came from. They have to come from somewhere local to the E-manifold, right? Does anyone know what these pieces are and what they go to? I'm perplexed.
02-18-03, 09:30 AM
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Yeah, some people use high-power magnets on the oil pan of the motor and the tranny to pick up the metal shavings that can collect in oil. I don't know what the purpose is on the exhaust manifold though.
02-18-03, 09:59 AM
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That's what I was thinking, too... that they were probably attatched to the oil pan to collect metal shavings. But wedged between the E-mani and the heat shield? That's a pretty tight fit. We're pretty confused around here. I'll try and get some pics up this afternoon. Hopefully someone will recognize them and have a clue. They look like they're designed to go...uh...somewhere. They don't look like magnets that someone would buy to attatch to the oil pan.
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02-18-03, 12:11 PM
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Good question, one of these days I'm going to cut open a used oil filter and see how much metal (if any) is stuck to the magnet. Transmissions always seem to have a bit of metallic slurry when you drain 'em. 'Course we're talkin' about some OLD transmissions here.
02-18-03, 12:33 PM
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Sticking a magnet to the outside of the oil fitler or bottom of the oil pan wont be very effective, as the magnetic field is all but blocked by the metal.
A better method would be to stick the magnet to the INSIDE of the oil pan or oil fitler. Unfortunately this makes them hard to clean.
There are magnetic drian plugs available. The tranny and differential have these stock.
A better method would be to stick the magnet to the INSIDE of the oil pan or oil fitler. Unfortunately this makes them hard to clean.
There are magnetic drian plugs available. The tranny and differential have these stock.
02-18-03, 12:46 PM
#12
Originally posted by Pele
Sticking a magnet to the outside of the oil fitler or bottom of the oil pan wont be very effective, as the magnetic field is all but blocked by the metal.
A better method would be to stick the magnet to the INSIDE of the oil pan or oil fitler. Unfortunately this makes them hard to clean.
There are magnetic drian plugs available. The tranny and differential have these stock.
Sticking a magnet to the outside of the oil fitler or bottom of the oil pan wont be very effective, as the magnetic field is all but blocked by the metal.
A better method would be to stick the magnet to the INSIDE of the oil pan or oil fitler. Unfortunately this makes them hard to clean.
There are magnetic drian plugs available. The tranny and differential have these stock.
02-18-03, 02:45 PM
#13
Originally posted by Pele
Sticking a magnet to the outside of the oil fitler or bottom of the oil pan wont be very effective, as the magnetic field is all but blocked by the metal.
Sticking a magnet to the outside of the oil fitler or bottom of the oil pan wont be very effective, as the magnetic field is all but blocked by the metal.
02-18-03, 06:10 PM
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Originally posted by Wankelguy
As one who has raced slot cars for 30+ years, I can tell you that the magnetic field of a level 40 neodymium magnet WILL extend through the thin metal of an oil filter, as well as magnetizing the oil filter itself. Try it for yourself if you don't believe me. -WG
As one who has raced slot cars for 30+ years, I can tell you that the magnetic field of a level 40 neodymium magnet WILL extend through the thin metal of an oil filter, as well as magnetizing the oil filter itself. Try it for yourself if you don't believe me. -WG
I was talking about conventional ceramic or ferrous magnets.
02-19-03, 06:44 PM
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Okay... these magnets are definately NOT made to attatch to the oil filter to attract metal shavings... lol. It would be seriously difficult for these items to worm themselves into a position within the heatshielding... it's a tight fit. Does anyone know where they could have come from? I can't get any pictures up right now... and I know that makes identifying these mystical components difficult. But they do look like stock-type parts. Their location was near a serious oil leak... are there any 12A guru's who can help here?
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