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M35 Alternator

bigkevracer
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bigkevracer Grand Master

bigkevracer

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Car has started making epic squealing noises, and after an initial panic that it was turbo related, it looks like it's now alternator. Hopefully that proves right when I pull the belt off and check, but some basic tests show that it's most likely, and probably explains some battery deaths and other electrical issues.

I couldn't find a part number on here - surely someone has replaced an alternator on an M35? Anyone rebuilt one? Seems like bearings so we're tossing up rebuilding it and replacing the bearings depending on costs etc.

Everything in an alternator search seems to be RB... no VQ love.

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bigkevracer Grand Master

bigkevracer

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Surely Scott isn't the only one that knows.

If 350Z belts are the same as NM35 belts, I guess that means the alternator is probably the same (well, it looks like the VQ35HRs had a different alternator to the VQ35DEs, bu you get my point).

Looks like 350Z units are available out of the US for $150-200, or high amp versions for $200+.

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bigkevracer Grand Master

bigkevracer

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lol ok. He should have a couple.

Part number for VQ25DD and VQ35DE is 23100-CD010, Amayama have them for $507. Surely a VQ25DET would be the same as those two?

Fortunately it looks like its a standard Mitsubishi part, so bearings are available, part number 2312030R10 and 231200V017, Amayama flog them off for $25 or less per bearing (they want FIVE HUNDRED DORRAH for a complete alternator!).

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scotty nm35 Grand Master

scotty nm35

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I have one here if you need it mate, otherwise rip it apart and check the bearing numbers, they should be available at the local bearing supplier...

I would be cleaning up the slip rings on a lathe and replacing the brushes if you can find them.

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bigkevracer Grand Master

bigkevracer

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Cheers mate. Dad's got a lathe so that should be fine. Not sure about brushes, might have to get a sparky to do that bit.

Sounds like there are a few 350Z owners in the states putting higher amperage units in for stereos etc. Not sure if that's worth doing at the same time, but seems like pulling it apart is going to be cheapest, easiest and quickest.

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bigkevracer Grand Master

bigkevracer

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Cheers Cam. First things first I'll rip it off and see if I can rebuild it with new bearings.

Funny thing is P/N 23100-AM610 can be found online from a bunch of places. Only two hits for 23100-AL31A, one being this page.

If it's the same as the V35 and Pathfinder, why wouldn't it be the same as 350Z different p/n, so must be different, maybe higher amperage?

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