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post #1 of 12 (permalink) Old 12-03-2013, 11:32 AM Thread Starter
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Magnetic Oil Drain Plug

Any install one of these on there cobalt? Seems like a good idea... Ford Chevy Chevrolet Dodge Chrysler Jeep M14 x 1 5 Magnetic Oil Drain Plug Gold | eBay

There is a link to one I was thinking about. If so where did you get yours?
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post #2 of 12 (permalink) Old 12-03-2013, 11:39 AM
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Got mine from autozone.

Sent from AutoGuide.com Free App
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post #3 of 12 (permalink) Old 12-03-2013, 11:42 AM
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Interesting. Is there really a benefit to these? I mean what are the odds of any metal particles coming close enough to the magnet?

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post #4 of 12 (permalink) Old 12-03-2013, 11:45 AM
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Piston rings naturally cause specs of metal.

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post #5 of 12 (permalink) Old 12-03-2013, 11:52 AM
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It collects all the minute debris that would otherwise get recirculated through the oil...I wouldn't say it substantially helps anything, but I'm sure it's better than not having it.

Especially since they're so cheap.

I've always ran them in all my cars. They sure do collect a bit of shavings when you blow things up too Be aware if you've got enough material built up on a drain plug magnet, you've probably got more issues to worry about anyways, lol.

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post #6 of 12 (permalink) Old 12-03-2013, 12:03 PM
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I think it's a good idea, it gives you a heads-up of what's to come. They also make a kit for auto transmissions. GM now puts them in every time they take a transmission pan off. I think it's 2 round magnets that lay in the bottom of the pan.

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post #7 of 12 (permalink) Old 12-03-2013, 01:44 PM
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Those magnets come in the pan from the factory, on most anything from the 1990's up, FYI.

They're about the size of a half dollar (one magnet).

Nothing new.

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post #8 of 12 (permalink) Old 12-03-2013, 02:55 PM Thread Starter
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Quote:
Originally Posted by colodude18 View Post
Interesting. Is there really a benefit to these? I mean what are the odds of any metal particles coming close enough to the magnet?
No added benefit, just preventative maintenance I guess. I have a car with one and it collects shaving/debris on every oil change. I just don't see why they don't install these on all cars if it does in fact help "filter" the oil.

How much did you guys pay for yours?
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post #9 of 12 (permalink) Old 12-03-2013, 03:33 PM
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Quote:
Originally Posted by bluegtp91 View Post
Those magnets come in the pan from the factory, on most anything from the 1990's up, FYI.

They're about the size of a half dollar (one magnet).

Nothing new.
I know it comes with magnets, the service bulletin just makes mechanics add 2 more. FYI

---------- Post added at 07:33 PM ---------- Previous post was at 07:21 PM ----------

#08-07-30-040A: Information on Normal Maintenance or Warranty Service for MN4, MN5, ME7 Automatic Transmission Oil Pan Magnet Upgrade - (Sep 10, 2008 )


Subject: Information on Normal Maintenance or Warranty Service for MN4, MN5, ME7 Automatic Transmission Oil Pan Magnet Upgrade


Models: 2001-2005 Chevrolet Cavalier

2001-2008 Chevrolet Malibu, Malibu Classic, Malibu Maxx, Malibu Hybrid

2006-2008 Chevrolet Cobalt, HHR, HHR SS 2001-2004 Oldsmobile Alero

2001-2005 Pontiac Grand Am, Sunfire, Pursuit (Canada Only)

2005-2008 Pontiac G5, G6

with 4T40-E or 4T45-E HYDRA-MATIC® Automatic Transmission (RPOs MN4, MN5, ME7)



Attention: Do not remove the transmission oil pan unless normal maintenance or diagnosis of a customer concern requires it.



--------------------------------------------------------------------------------

This bulletin is being revised to update the transmission RPO list. RPO MN7 was removed and replaced with RPO ME7. Please discard Corporate Bulletin Number 08-07-30-040 (Section 07 -- Transmission/Transaxle).


--------------------------------------------------------------------------------

A new transmission oil pan magnet, P/N 29535617, was released for service. The current square transmission oil pan magnet may become saturated with normal ferrous sediment and the Pressure Control Solenoid (PCS) is now collecting ferrous sediment, making it vary from design. For a given current the PCS electromagnet is stronger, causing the line pressure to be less than needed.

When checking PCS line pressure (refer to Line Pressure Check in SI) and it shows that the line pressure is lower than required (refer to Current-Amps/Line Pressure Chart in SI), for a given current at the PCS or the transmission oil pan was removed (for either normal maintenance or warranty service), only then should the transmission oil pan magnet be upgraded.

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Last edited by Coby7; 12-03-2013 at 03:58 PM.
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post #10 of 12 (permalink) Old 12-03-2013, 03:53 PM
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For transmissions that don't really need it...these newer FWD units aren't near as fail-prone as the older siblings.

I guess, whatever jumps your cables. Go ahead and just fill the pan with a huge magnet and ruin all the sensors too while you're there?

They were more important in crappier transmissions, ala the 4T65E and the 4T60E.

And that bullitin is full of laughs. All they have to do to fix that is up the line pressure in the bin file instead of adding magnets. Sounds like a nice and cheap/easy bandaid.

All you have to do is remove the old magnet, and clean it and re-install it. Like everyone does on any simple automatic transmission pan drop. If it's got THAT much material on it, then you'll be needing a rebuild.

GM cracks me up, FYI. Lots of their service business is the same way.

Like supercharger oil.

ONLY USE GM FLUID.

But, if you're out...use Mobil 1 5W30.

Yeah, makes sense.

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Previously dumped on BC Xtreme Low's...RIP LOWLYFE :(

Last edited by bluegtp91; 12-03-2013 at 03:58 PM.
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