How-To: repair Magnumintake Motor

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Gnuserup
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How-To: repair Magnumintake Motor

Post by Gnuserup » Wed Apr 23, 2014 6:10 am

It seems that the Magnumintake Motors will die sometimes.
They stuck and the "butterflys" won´t move anymore.
Special thanks to eddie from our german forum who has gone through that short time before me.

The reason for the defect is a chrome surface on the magnet which will come off sometimes.
Then the motor won´t move enough or at all and the butterflys won´t either.
You can easily repair that by disassembling the motor, no special tools needed.

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You can remove the spring on top if you like, but there is no need to.
If you do so, be carefully not to brake the plastik where it sits.

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Cut that 4 plastiknoses to remove the back cover.

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Partnumber

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Here we see the cause, a lot magnetic crumbs

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Lift the lower spring from its mount carefully and don´t brake the "ring" as I did - it is no ring :tardbang:
Then lift the cab very carefully

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My fault

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I marked the position of the cap and the axle, don´t know if important later

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Now simply press the axle/ rotor (but again - very carefully. It suddenly flips out quick once you got over the magnetic power which holds it)

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The rotor with the damaged chrome surface (and a little bearing, don´t loose it)

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Now after I cleaned all up. I used a cloth first, then compressed air to blow all the chrome and ferric crumbs away.
By using compressed air pay careful attention to protect your eyes from flying particles !

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clean rotor with bearing

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Next step is to find a suitable color to protect the magnet from wareout as the originally chromelayer is lost.
a neon - what else ?

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Gnuserup
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Post by Gnuserup » Sun Apr 27, 2014 7:56 am

I finally sprayed it with simple metal paint

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(here the rotor without that bearing)

and put all together again.
a neon - what else ?

occasional demons
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Post by occasional demons » Sun Apr 27, 2014 7:49 pm

Very nice! I wonder how many got tossed that could have been fixed. Being they are no longer sold, this is good info to have. :thumbup:
Bill
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epic

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akirony
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Post by akirony » Tue May 06, 2014 6:27 pm

What did you do about the 4 plastiknoses you cut off when putting it back together?
Have car-have car problems. Have srt4-have speed problems
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Gnuserup
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Post by Gnuserup » Wed May 07, 2014 6:10 am

Actually nothing as I haven't reinstalled it yet.
But it holds strong together though.
Maybe you should watch out for some glue.
a neon - what else ?

occasional demons
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Post by occasional demons » Wed May 07, 2014 8:41 am

You could get some black zip ties, and a soldering iron to re "weld" them back in place.
Bill
dblsg wrote:ya'll a bunch of post whores
epic

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NickKo
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Post by NickKo » Sat May 10, 2014 11:04 am

occasional demons wrote: Being they are no longer sold, this is good info to have. :thumbup:

:withstupid:

Good to know that these can be 'fixed' and saved !!


- Nick
-1998 2-dr SOHC MTX= 57mm TB; Maddog STS
-2000 Ply.LX w/MTX = Maddog STS; CAI; 2.5 exh.; 60mm T/B
-2001 ATX w/Syked PCM + Magnum header
-2001 ACR w/SRT T/B bored out to 55mm

Official "I'm Going to Drive My Neon till it Dies" Club #000009

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Post by quicksilvr » Mon Jun 09, 2014 11:21 pm

Wow, I wish I would have seen this before I tossed my "stiff" motor in the trash a couple years ago. It could have been saved!

Nice work Gnuserup!
-Dave
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2001 Dodge Neon R/T

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Gnuserup
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Post by Gnuserup » Sun Jul 20, 2014 5:16 pm

as I haven´t been sure, if and when my intake is working, I tried today.

First I connected the motor directly a few times to hear, if something happens. And it did.
Then with engine running.

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You will hear a plainly clicking noise, when the butterflies a forced to open and close. With engine running you will further hear a slightly different engine sound.
At least this is, what I heard on mine.

http://youtu.be/qX3z_RGGbkg

Later I installed a test lamp instead of the intakemotor to see, under which conditions the intakemotor is activated usually and found (sure, for those who studied this thing, it´s not new, for all the other, it probably is...) there is absolutely only power to it above 5000 rpm and with WOT (wide-open-throttle). And absolutely WOT, means first attempts I never pushed the gaspedal hard enough so that the light wasn´t shown very often :roll:
a neon - what else ?

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