Vehicle & Technical > Defender

200tdi alternator

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Les Henson:
Muddy water dries and stops the carbon brushes from contacting the armature. Sometimes a good soaking with WD40 will release them and the alternator will work once again. Regulator packs can fail, and in a lot of cases this is a replaceable item.
It might be worth your while to learn how to remove/refit the brush pack from an alternator. Regulators are cheaper than a whole alternator as well, so you could easily keep one alternator going. If it spins ok with no play, then it's worth repairing.


Les.

Axetamer:
I fitted the replacement this afternoon, the one that came off has completely knackered bearings....in fact the shaft has nearly 1/4" of endfloat and about 1/16th of radial play... it was making a hell of a row with the engine running, but suprisingly still giving 14.4 volts.

I suppose I'll just have to treat them as a consumable....can't keep out of the mud soup can we? :lol:

I'm still going to try and suss getting it mounted up higher.....stupid place for an alternator near the bottom of an engine on an offroader. imho

Saffy:

--- Quote from: Axetamer on February 04, 2009, 19:53:04 ---
I'm still going to try and suss getting it mounted up higher.....stupid place for an alternator near the bottom of an engine on an offroader. imho

--- End quote ---

It's surely above the standard max wading depth though so can't really blame LR on that one. I have stopped going into the deep mud puddles on the Plains now as its like grinding paste and just nukes alternators, steering pumps, tension pulley etc bearings and I can't keep forking out for them every 5 minutes. Unless it's clean or I have no choice I will go around.

Nobber:
it probably just needs cleaned. be careful with wd40 though , it might strip the bearings of their grease.

Sabo:
Hi

Did you ever get to moving the alternator higher, I'd like to move mine.  My alternator died today (was on way out) the first small ford I went through and the red light came on after that I was relying on the battery for greenlaning only just got home!
I know I should have replaced it before but had no time!

Dave

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