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Author Topic: PAS problem  (Read 966 times)

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megaomega123

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PAS problem
« on: 12 January 2010, 17:11:59 »
Drove the car last night, no problems. Today, the power steering is almost non existent at low speed. More noticeable when parking.
Have not had a chance to try or test anything yet. Where is the best place to start with diagnosis?
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tunnie

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Re: PAS problem
« Reply #1 on: 12 January 2010, 17:21:05 »
do you get assistance back with more revs at low speed?
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JamesV6CDX

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Re: PAS problem
« Reply #2 on: 12 January 2010, 17:32:01 »
fluid in the tank, rob?

Is the aux belt intact?

Any dash warning lights?
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megaomega123

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Re: PAS problem
« Reply #3 on: 12 January 2010, 17:39:34 »
When stationary, no assistance. If I increase revs whilst stationary the assistance is normal. I get a clattery sound on full lock 1 in 4 turns roughly.
Belt ok as temperature not increasing and climate is good. No warning lights. Not checked fluid yet.
« Last Edit: 12 January 2010, 17:41:32 by phate321 »
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megaomega123

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Re: PAS problem
« Reply #4 on: 13 January 2010, 11:09:21 »
Had a look at things this morning and the assistance is now normal!! However there is a noise that sounds like a hammer drill when I approach and reach full lock. This is when steering both left and right when stationary.
Fluid level is normal and belt is intact and good. Am I looking at pump or pulley or what?
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megaomega123

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Re: PAS problem
« Reply #5 on: 13 January 2010, 11:38:48 »
Or could it be as simple as a new belt?
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megaomega123

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Re: PAS problem
« Reply #6 on: 13 January 2010, 15:26:25 »
Ok. The aux belt tensioner is very noisey. Could this be the cause of the above pas symptoms? Could it be this that was making the noise on full lock? That noise has not been replicated today.
Any help on this and I would be grateful.
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Marks DTM Calib

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Re: PAS problem
« Reply #7 on: 13 January 2010, 15:54:49 »
I wonder if the tensioner pulley was partialy seized....I would get it changed asap (its easy and very quick to do)
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megaomega123

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Re: PAS problem
« Reply #8 on: 13 January 2010, 16:06:06 »
Quote
I wonder if the tensioner pulley was partialy seized....I would get it changed asap (its easy and very quick to do)
I did regrease it about 3 months ago but I presume it is now dead. I will change it and the belt and see if that fixes the pas issue.  :y
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megaomega123

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Re: PAS problem
« Reply #9 on: 14 January 2010, 15:23:58 »
I managed to get an assistant to turn the wheel to full lock whilst I was under the bonnet today. The pump is making the hammer drill noise.
Is it the pump thats gone or could the belt be jumping on the pulley?
I don't want to change the pump unnecessarily. 
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johnnycboy

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Re: PAS problem
« Reply #10 on: 14 January 2010, 22:30:07 »
Had similar noise last year new second hand pump sorted it. HTH
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