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ED Power Steer shudder 

 

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 Post subject: ED Power Steer shudder
Posted: Fri Jun 26, 2009 10:50 pm 
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Anyone know what causes the shudder in the power steering on a 94 ED.
Mechanic told me my P/S pump was weeping oil so he replaced it with a reco one & fitted a new hose & its exactly the same, so obviously I won't be going back to that shop. :x

 

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 Post subject: Re: ED Power Steer shudder
Posted: Fri Jun 26, 2009 10:58 pm 
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could be anything bad bearings in the pully or the pully is out of alignment.
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 Post subject: Re: ED Power Steer shudder
Posted: Fri Jun 26, 2009 11:49 pm 
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mine does the same thing, I'm thinking it's more like the rack is shagged (not much else it could be)..

 

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 Post subject: Re: ED Power Steer shudder
Posted: Sat Jun 27, 2009 1:23 am 
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dc357 wrote:
Anyone know what causes the shudder in the power steering on a 94 ED.
Mechanic told me my P/S pump was weeping oil so he replaced it with a reco one & fitted a new hose & its exactly the same, so obviously I won't be going back to that shop. :x



First of all buy a gregory's workshop manual and then you don't need to worry about taking into to a mechanic.

Power Steering shudder is generally caused by a weak pump or because the seals in the steering rack are not sealing and letting fluid by-pass.

 

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 Post subject: Re: ED Power Steer shudder
Posted: Sat Jun 27, 2009 1:39 am 
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I had a leak that had to be fixed by ENZED (no factory P/S hoses available) then had a whine and shudder which I assumed to be the pump, so I ended up putting two more reco pumps on before I realized there was nothing wrong with my original pump! It was the hose all along. I found the last kelpro (factory style) hose repco had in the country!.........All fixed!

Hope this helps you avoid the annoying and expensive 6 months of troubleshooting I had.

 

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 Post subject: Re: ED Power Steer shudder
Posted: Sat Jun 27, 2009 10:17 am 
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Its a reco pump so would assume the bearings & pulley are ok!
I do have a Gregorys manual but as I have Pneumonia at the moment & I'm unable to do bugger all & it was one of 3 things it got knocked back for the roadworth so I thought better to get them to do it & get it passed.

I was also thinking maybe the rack is shagged, has no oil leaks that are visible but maybe just worn inside?.

Also- are all P/S hoses for this model(94 ED) the same or is there a high pressure hose available from someone?

 

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 Post subject: Re: ED Power Steer shudder
Posted: Sat Jun 27, 2009 11:11 am 
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The shudder can be a couple of things.....one big one is wheel alignment...another is tyre/rim size.
Another one is the rotor housing in the pump can get undulations so the vanes end up goin in & out really fast in the rotor centre. That usually happens from very low oil level.
Both my EA & ED did it after puting on bigger tyres and a wheel alignment set up for fast cornerning.
They didn't do it before I did those things.

 

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 Post subject: Re: ED Power Steer shudder
Posted: Sat Jun 27, 2009 11:28 am 
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I had a similar problem, turned out to be a seized power steering tensioner pulley. $20 fix

 

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