HP Pump...

BX Tech talk
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BackinaBX
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Post by BackinaBX » Wed May 31, 2006 10:22 pm

No, yeah, no... the rear arm bearings are (allegedly) related to my defective tyres, or rather the rear arms have lead to the tyres becoming defective. I don't believe that either, but I know they need to be done, but I don't think they're going to be done by these people, even if they are so called Citroen specialists... I think they are quoting way over the odds for the jobs that need doing.

In all, there are three issues.

Steering - that seems to have cleared up nicely with new tyres and a LHM flush and refill

Early morning PAS workout - see above, but also possible HP pump thing?

Rear arm bearings - wearing out the tyres on the inside track... and the back and groans and squeaks like nobodies business... but that's fixed with a good squirt of WD40 every couple of weeks.
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DavidRutherford
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Post by DavidRutherford » Wed May 31, 2006 10:42 pm

Actually, If the rear arm bearings have been shot for some time, then you would get excessive wear on the inside edges of your back tyres.

If you need both rear arm bearings doing, then I'm only an hour's drive away.
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Ian_Fearn
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Post by Ian_Fearn » Wed May 31, 2006 10:54 pm

Fancy teaching me how to do them David???

The GTi auto desperately needs one and i really want to have a go but as the car cant be immobile for more than a day at a time theres not much room to make mistakes.
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BackinaBX
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Post by BackinaBX » Wed May 31, 2006 11:00 pm

Yeah, I know the feeling. I'm quite happy to change the oil and filters, flush the LHM, change the spheres etc, but I get jittery when I start playing about with really important things like steering, suspension and brakes... If I blow up the engine, well, that's my own fault, but if a dodgy bodge I've done under the car leaves me or my family upside down...
"I'm not into art, I'm just a gun for hire" - Helmut Newton
_________________________________________
'91 BX 19 TZD - now with added dent!
'91 Saab 900 Turbo - thirsty, expensive & beautiful.

tim leech

Post by tim leech » Wed May 31, 2006 11:15 pm

How much would you pay to have them done approx?

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BackinaBX
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Post by BackinaBX » Wed May 31, 2006 11:26 pm

Well I've heard tell of people paying £150 for the job... I guess that would be about right... I mean, it's about, what, four hours labour, plus parts... of £50, four hours at £25. £150.

It's all relative I guess... depending on where you are in the UK. Here in Bristol we are (apparently) a city of young, rich people with money to burn.

If only that were true.
"I'm not into art, I'm just a gun for hire" - Helmut Newton
_________________________________________
'91 BX 19 TZD - now with added dent!
'91 Saab 900 Turbo - thirsty, expensive & beautiful.

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Post by BackinaBX » Wed May 31, 2006 11:38 pm

Well that's the thing. Until I've gone a few miles from cold, the steering is dead heavy, with intermittent assistance. Once it's warmed up... no problems.

There's no issues with the PAS once it's up to temperature... so perhaps there is a pump issue. It is certainly better now I've changed the LHM and cleaned the filters... but perhaps a recon pump and a new accumulator would be beneficial?
"I'm not into art, I'm just a gun for hire" - Helmut Newton
_________________________________________
'91 BX 19 TZD - now with added dent!
'91 Saab 900 Turbo - thirsty, expensive & beautiful.

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Post by jeremy » Wed May 31, 2006 11:49 pm

As Jon and I have both stated the accumulator will not affect the steering. It is however an important part of the suspension and steering circuits and must be in good order. I have set out a procedure for testing it.

If the steering is heavy on one side the problem probably lies in the pinion valve rather than the flow divider which will operate indetically whichever way the steering is turned.

You will probably find the steering problem gets worse over the next week or so. This is due to the LHM molecules getting mashed up as the oil is pumped and circulated and after a little it settles down and stays about constant for the rest of its life.

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DavidRutherford
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Post by DavidRutherford » Thu Jun 01, 2006 9:18 am

Ian_Fearn wrote:Fancy teaching me how to do them David???.
dorset seems a bit far to come just to do some rear arm bearings, but if you want to I'm sure we can arrange a time...

Or... next time I'm ooop noooorth if you've got a garage/non-gravel driveway and a big vice...
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Ian_Fearn
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Post by Ian_Fearn » Thu Jun 01, 2006 6:04 pm

Thanks David, how big a vice do i need?
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Post by ellevie » Fri Jun 02, 2006 1:07 am

BX obsession should just about do it !
David

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Post by DavidRutherford » Fri Jun 02, 2006 11:32 am

ellevie wrote:BX obsession should just about do it !
I'd say that's about the size of it! :lol:

You need a vice that has at least a 4" jaw opening, and is big/heavy enough that you can mount the whole rear arm in it, and then hit it with a 3lb clubhammer.

The other piece of equipment needed on standby is a mig welder. One of the races in Kitch's rear arm was so rusted/siezed that it was just laughing at the attempts to knock it out. Thus, a number of rings of weld were run around it, which shrinks the bearing a bit, and gives you something big to hit. Granted that's a worst-case scenario, but you can guarantee that if there isn't a welder available, then you'll need one.

The only other noteworthy tools that you need are two 24mm drivers of some sort (sockets or spanners)
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