[Rovernet] P6B starter replacement

[Roland Drew]

Well, since you were hearing the click - that is the solenoid 'throwing',
and you report that the moror is vigerous when it did run, that suggests
the motor is also 'fine'.....The bit that wasnt working were the contactors
which the solenoid throws together to allow the high demand the motor
requires. There have been multiple suppliers of Rover V8 starter's over the
years. Each with their own contactors - which I think can all be replaced
with ease when disassembling. Suspect you may want to identify the motor
assy manufacturer to determine who supplies the contactors.

On Tue, 15 Sept 2026 at 20:41, magnet--- via Rovernet <rovernet at rovernet.org>
wrote:

> Hello Rovernetters,
>
> It has been very quiet recently on the Rovernet... maybe this will
> "start" some comment.
>
> A couple of weeks ago we were planning a road trip -- about 500 miles --
> in my 1970 3500S.  Checked all the fluids, tyres, etc. and she seemed
> ready to go when two days prior to  departure, an intermittent fault
> developed in the starter.  You really don't want this sort of thing when
> you're travelling on holiday, so I decided to replace the starter with a
> spare unit.  This solved the problem and the car performed faultlessly
> on the trip.
>
> Now that I'm home again, I thought I'd see what was amiss with the old
> starter.  Before I took it out of the car, when it did work -- perhaps
> on every 3rd attempt --   it worked OK, turned the engine over with
> enthusiasm.  But then on other tries all it gave was a loud click, and
> judging from the effect on headlight brightness, it did not appear that
> power was being supplied to the actual starter motor.  I suspect the
> solenoid, but have not as yet done any real diagnostics.
>
> Well, the point of my message is this:  Has anyone had any experience
> with alternative replacement starters for the P6 V-8? Particularly with
> the starter for the pre-1994 Range Rover?  When I had my '93 RR, I once
> had to replace the starter, and it was easy enough to get hold of one.
> Unfortunately I never looked into this interchangeability issue at the
> time.
>
> Questions: is the cut-out for the pinion on the nose piece in the same
> angular position relative to the mounting bolts?  Is the mounting bolt
> spacing the same?  I recall the position of the solenoid was different,
> not sure if this posed a problem.  The RR's engine was basically the
> same as that in the P6B, so I shouldn't think there would be much
> difference in the starters. What about MGB V-8, other cars using the
> same engine?
>
> Any information most gratefully received!
>
> Cheers,
>
>   -- Bill Daddis
>
>
>
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>


-- 
Roland Drew
R2D Engineering
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