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Post by adsuth on Jan 11, 2014 15:25:21 GMT
Afternoon,
My power steering pulls to the left very strongly, almost all the time. When I park the car and turn the engine off the steering wheel pings about 1/5 of a turn to the right so I am pretty sure it is the power steering pulling. Any remedies?
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Deleted
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Post by Deleted on Jan 11, 2014 17:22:36 GMT
Afternoon, My power steering pulls to the left very strongly, almost all the time. When I park the car and turn the engine off the steering wheel pings about 1/5 of a turn to the right so I am pretty sure it is the power steering pulling. Any remedies? Sounds like a dangerous and serious fault with the box. Are you actually fighting the steering to keep the car on a straight path?! I would stop using the car if I were you until the fault is traced. I would have thought that the power steering has a "fail safe" built into it as you would not be able to hold the wheel against the pump pressure should the box decide to have a mind of its own. Doesn't bear think about at higher speeds!!!!
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Post by johnwp5bcoupe on Jan 11, 2014 20:13:42 GMT
Afternoon, My power steering pulls to the left very strongly, almost all the time. When I park the car and turn the engine off the steering wheel pings about 1/5 of a turn to the right so I am pretty sure it is the power steering pulling. Any remedies? Sounds like a dangerous and serious fault with the box. Are you actually fighting the steering to keep the car on a straight path?! I would stop using the car if I were you until the fault is traced. I would have thought that the power steering has a "fail safe" built into it as you would not be able to hold the wheel against the pump pressure should the box decide to have a mind of its own. Doesn't bear think about at higher speeds!!!! Jack the front of the car just enough for the wheels to clear, centralise the steering start the engine if the steering flies to the left it would mean you have probably blown an internal seal in the box! and a resurgram says it's not safe to use the car!! what if you have an accident? using in an unroadworthy state what would your insurance cover??
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Post by Deleted on Jan 11, 2014 20:41:33 GMT
Sounds like a dangerous and serious fault with the box. Are you actually fighting the steering to keep the car on a straight path?! I would stop using the car if I were you until the fault is traced. I would have thought that the power steering has a "fail safe" built into it as you would not be able to hold the wheel against the pump pressure should the box decide to have a mind of its own. Doesn't bear think about at higher speeds!!!! Jack the front of the car just enough for the wheels to clear, centralise the steering start the engine if the steering flies to the left it would mean you have probably blown an internal seal in the box! and a resurgram says it's not safe to use the car!! what if you have an accident? using in an unroadworthy state what would your insurance cover?? John, I would like to think that this type of failure is very rare! I've personally never heard of it happening on the road and if it did, the consequences would be disasterous at speed as I can't see how you could hold the wheel. I should imagine it would be more likely to happen by holding a full lock for too long as I believe there is no pressure relief valve on the pump.
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Post by johnwp5bcoupe on Jan 11, 2014 22:19:43 GMT
There is a pressure relief valve in the pump! I did a bit in the magazine and on the forum on this subject if there is a search made having rebuilt a few of these boxes and given the symptoms I stick by my last post either there is a seal gone or the box has been assembled incorrectly?
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Post by adsuth on Jan 12, 2014 10:45:59 GMT
I would say 'fighting' is too strong a word, and it is something I have just got used to. Good idea about jacking the car up and running the engine, I'll try that first and see what happens.
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Post by johnwp5bcoupe on Jan 12, 2014 18:56:02 GMT
I would say 'fighting' is too strong a word, and it is something I have just got used to. Good idea about jacking the car up and running the engine, I'll try that first and see what happens. If it's just pulling to the left that opens up a few things to check! but try the suggestion I made first
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Post by adsuth on Jan 19, 2014 16:21:24 GMT
I took advantage of a sunny day and jacked it up, turned on the engine aaaannnnd - nothing. Wheels stayed straight. I turned the steering wheel and it was even whichever way I turned it. My left pull problem must be something else then. I've had the wheels aligned, and I have checked the tyre pressures. Any other suggestions?
Thank you
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Post by johnwp5bcoupe on Jan 19, 2014 16:47:14 GMT
I took advantage of a sunny day and jacked it up, turned on the engine aaaannnnd - nothing. Wheels stayed straight. I turned the steering wheel and it was even whichever way I turned it. My left pull problem must be something else then. I've had the wheels aligned, and I have checked the tyre pressures. Any other suggestions? Thank you Lots to check top and bottom ball joints, torsion bar (is the height correct and equal?), shock, wheel bearing,radius arm bushes,top link bushes, in fact all the suspension bushes and ball joints! if it pulls that much assuming the car is sound and straight it should be reasonably easy to find.
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Post by djm16 on Jan 24, 2014 10:34:33 GMT
If the car has ever been in a minor ding or hit a curb hard it is possible the castor or camber on one side amny be out. It is not correctable as there is no adjustment. Have you talked carefully to the person doinbg th3e algnment?
Secondly, a dragging rear brake can also cause a perceptible pull to one side.
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Post by adsuth on Apr 8, 2015 22:36:23 GMT
Hi, Just to close this one off - the problem was 12 year old tyres ... notably no longer the correct shape.
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Post by Phil Nottingham on Apr 15, 2015 20:42:06 GMT
Thanks for the update - old tyres are as dangerous as worn ones if not more
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Post by enigmas on Apr 15, 2015 22:36:46 GMT
From what I've read I don't believe the problem has anything to do with old tyres. Turning the engine off after parking and having the 'steering ping to the left' is not caused by old tyres! There's an internal problem with the 'spool' setup inside the PSB. I had a box with a similar issue years ago; it would favour one side but not ping to the left on switch off.
By the way, there is no 'fail safe' on this PS box (designed in the 1950s) apart from loosing hydraulic power assistance. The worm and peg arrangement still provides steering, but it will be very heavy. (I'm in accord with John's assessment)
Moderating the terminology used to describe the problem won't reduce the effects of the fault or make it OK to use with the fault. Imagine what would happen if it suddenly (may not occur) boosted pressure to one side whilst you were driving. The steering has warned you that something is wrong; that's your fail safe! I'd get it repaired.
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