PAS Box Defender - 3 or 4 bolt

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Alex - 06 Jan 2008 00:20 GMT

Anybody know if the 3 and 4 bolt Defender PAS boxes are
interchangable? Got a 1989 2.5TDi 110 which needs new box and pump,
not keen to shell out £300 for a pair........

TIA

Alex

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Badger - 06 Jan 2008 11:35 GMT

> Anybody know if the 3 and 4 bolt Defender PAS boxes are
> interchangable? Got a 1989 2.5TDi 110 which needs new box and pump,
> not keen to shell out £300 for a pair........

Pipe fittings are different threads.

Why buy a pair, look at yours and see if it's a 3 or a 4 and then get the
same.........??

Badger.

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Oily - 06 Jan 2008 15:26 GMT

> > Anybody know if the 3 and 4 bolt Defender PAS boxes are
> > interchangable? Got a 1989 2.5TDi 110 which needs new box and pump,
[quoted text clipped - 6 lines]
>
> Badger.

Wot 'e sez, and if you change it then you'll need pipes as well.
I don't know about the six bolt one which is fitted to some Defenders,
which also seems to give more trouble than the others.

Martin

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Alex - 06 Jan 2008 16:59 GMT

>> > Anybody know if the 3 and 4 bolt Defender PAS boxes are
>> > interchangable? Got a 1989 2.5TDi 110 which needs new box and pump,
[quoted text clipped - 10 lines]
> I don't know about the six bolt one which is fitted to some Defenders,
>which also seems to give more trouble than the others.

Well, that's confused matters. I wasn't aware there was a 6-bolt
version. However, I've just checked the vehicle and it does indeed
have 6 bolts holding the top cover on.

So now what? Are the pumps different for the different boxes as well?

Alex

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Oily - 06 Jan 2008 23:10 GMT

> >> > Anybody know if the 3 and 4 bolt Defender PAS boxes are
> >> > interchangable? Got a 1989 2.5TDi 110 which needs new box and pump,
[quoted text clipped - 18 lines]
>
> Alex

I think they are all interchangeable as far as the mountings go. I don't
know which pipes go with the 6 bolt one but they might be the same as the
four bolt, someone will be along who is more knowledgeable.

Martin

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Geoff - 07 Jan 2008 10:46 GMT

> I think they are all interchangeable as far as the mountings go. I don't
> know which pipes go with the 6 bolt one but they might be the same as the
> four bolt, someone will be along who is more knowledgeable.

They are intercangeable with the exception of the pitman arm.

The pitman arm does "feel" like it will fit however there is a slight
movement that in time will cause the splines to wear and it will fail.

So keep the pitman and make a new mounting for the steering damper.

Signature

Cheers, Geoff.
www.anoraks.uk.net

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AJH - 06 Jan 2008 13:00 GMT

>Anybody know if the 3 and 4 bolt Defender PAS boxes are
>interchangable? Got a 1989 2.5TDi 110 which needs new box and pump,
>not keen to shell out £300 for a pair........

I've still got a pump and steering box assembly which I picked up when
a chap went abroad, tell me how to identify it and I'll have a look.

AJH

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