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> Steering Problem
J.W.H
post Apr 7 2010, 10:49 AM
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I have one other issue with this car (96' 850) the steering is real sensitive and jerky, the faster you drive the worse it gets, it's almost hard to keep on the road at 50 mph and up and after you make a turn the wheel won't straiten back out on it's own, you have to turn it back staight.
I don't know anything or very little about rack and pinion steering. Could it just be a bad pump?
I don't want to just go buy a pump unless I'm fairly sure that will fix it.
Anyone else have a problem like this, or any experience with the sterring on these cars?

Thanks, Jeff
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SeaMike
post Apr 7 2010, 12:02 PM
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QUOTE (J.W.H @ Apr 7 2010, 10:49 AM)
I have one other issue with this car (96' 850) the steering is real sensitive and jerky, the faster you drive the worse it gets, it's almost hard to keep on the road at 50 mph and up and after you make a turn the wheel won't straiten back out on it's own, you have to turn it back straight.
I don't know anything or very little about rack and pinion steering. Could it just be a bad pump?
I don't want to just go buy a pump unless I'm fairly sure that will fix it.
Anyone else have a problem like this, or any experience with the steering on these cars?

Thanks, Jeff



Hi again,

When did this start? Does the pump make any noises, growling/whining? Is the power steering oil foaming (lost of air bubbles in it)?

Look to see if any of the rubber hoses are collapsed, or the metal lines have severe kink/bends in them.

Can you get someone to watch the tire/wheel as you drive down the road to see if they drive true or not.

On the attached PDF - Trouble Shooting Chart, start at page 50
Attached File(s)
Attached File  steering_system_power_rack_and_pinion.pdf ( 177.39K ) Number of downloads: 18
Attached File  trouble_shooting_chart.pdf ( 150.43K ) Number of downloads: 21
 
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J.W.H
post Apr 7 2010, 07:32 PM
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Drives: 1996 Volvo 850 2.4 20V DOHC



-When did this start?-
It was like this when I got it.

-Does the pump make any noises, growling/whining?-
Not that I have heard.

-Is the power steering oil foaming (lost of air bubbles in it)?-
No, not at all.

-Look to see if any of the rubber hoses are collapsed-
Not that I have found, I have had in the past, on something completely different, the inside of a rubber hose was colapsing and it was not visable from the outside at all. Drove me nuts for a while and the only way I found it was I replaced that hose and the problem went away, so I went crazy trying to figure out why, cause even with the line off and looking in it you couldn't see it, it wasn't till I cut the hose in 1/2 that I found the inside of the hose was seperated from the outer part. It was on the suction side of the system so when the pump was pulling through the hose it would colapse internally, it was on a hydraulic system but really no different from a powersteering system.

-the metal lines have severe kink/bends in them.-
Not that I have found.

-Can you get someone to watch the tire/wheel as you drive-
You mean looking at the alignment?

That troubleshooting chart gave some good suggestions to look at, so tomorrow I'll look at those things.

Thank You!

Jeff
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J.W.H
post Apr 13 2010, 09:01 PM
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I got some time yesterday to look at the steering problem, I didn't find anything obvious and started with the trouble shooting chart that Mike posted.
There are a lot of things to check that I would have never thought of, I didn't have time to go through the whole list but didn't find anything wrong with the things I did check but I was wondering where are you supposed to look for the correction of the problem once it's found? when you look to the right where the corection or next step would be it only says to look at such and such article for corection of this problem.
Is there another section of the manual where it would give this info?

The only thing I found that seems out of the ordinary is, when I had the front end up off the ground and turned the wheel back and forth with the engine not running, it is real hard to turn, harder than any other vehicle I've done this with, and when it gets about 3/4 of the way to a full right turn it makes a binding sound and then turns really easy the rest of the way.
So that is all I found that seemed odd to me.

Jeff
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kiakid2007
post Apr 16 2010, 06:53 PM
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after what you have said i would look into replacing the pack and pinion unit
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J.W.H
post Apr 20 2010, 08:13 AM
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Really?
I was affraid of that, they are pretty costly arn't they? or can I rebuild it?
I still havn't found any more about it, I have gone over everything I could in the front end and steering.

Jeff
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SeaMike
post Apr 20 2010, 02:37 PM
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QUOTE (J.W.H @ Apr 20 2010, 08:13 AM)
Really?
I was affraid of that, they are pretty costly arn't they? or can I rebuild it?
I still havn't found any more about it, I have gone over everything I could in the front end and steering.

Jeff


Hey, sorry I could not be more of a help.

Look at this:
http://volvospeed.com/Repair/power_steering.pdf

Rebuilt:
http://www.fcpgroton.com/product-exec/prod...category_id/179

This guy has a used one for $165.00, he is in PA
http://stores.ebay.com/Used-Volvo-Parts__W...p;submit=Search


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J.W.H
post Apr 20 2010, 07:33 PM
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FCP Groten shows a rebuilt in that link you just posted for $275!!! Is it even worth going any other route?
From what I hear most salvage yards (if they have one) usually charge about $200 and with that you don't know what your getting.
Buy from FCP Groten and you get a warranty, and for that price it doesn't even seem worth rebuilding it myself.
Is there anything that should be replaced or serviced while doing a rack and pinion swap...as in it's easier done then rather than a couple months from now?

Thanks,
Jeff
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SeaMike
post Apr 20 2010, 09:25 PM
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QUOTE (J.W.H @ Apr 20 2010, 07:33 PM)
FCP Groton shows a rebuilt in that link you just posted for $275!!! Is it even worth going any other route?
From what I hear most salvage yards (if they have one) usually charge about $200 and with that you don't know what your getting.
Buy from FCP Groten and you get a warranty, and for that price it doesn't even seem worth rebuilding it myself.
Is there anything that should be replaced or serviced while doing a rack and pinion swap...as in it's easier done then rather than a couple months from now?

Thanks,
Jeff


I would try and flush out the OLD fluid from the power steering pump before you put on the new rack, that way you don't put on contaminated fluid in the new one.

Also, for $12.50, I would put on new outer tie rods on both left and right sides.
http://www.fcpgroton.com/category-exec/cat...1136/by_year/46
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J.W.H
post Apr 23 2010, 05:55 PM
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Well I got my rack and pinion from FCP Groten today so it will be tomorrow's project, hopefully that will be the end of my steering problems.

Jeff
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J.W.H
post Apr 30 2010, 10:22 AM
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I have pulled an engine out of a volvo but I have pulled dozens of car engines so I have to ask after putting the rack and pinion in this car, if you don't have a lift would it be easier to pull the engine to do the rack and pinion on this car? because that job sucked without a lift, I know I'm 1/2 crippled and no longer in condition to do this kind of work....but still, I've done a lot of under car work and know what's what, so is it just me or is pulling one of these engines harder than it seems?

It did fix the steering problems though so either way that's a plus.

Jeff
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SeaMike
post Apr 30 2010, 10:43 AM
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QUOTE (J.W.H @ Apr 30 2010, 10:22 AM)
I have pulled an engine out of a volvo but I have pulled dozens of car engines so I have to ask after putting the rack and pinion in this car, if you don't have a lift would it be easier to pull the engine to do the rack and pinion on this car? because that job sucked without a lift, I know I'm 1/2 crippled and no longer in condition to do this kind of work....but still, I've done a lot of under car work and know what's what, so is it just me or is pulling one of these engines harder than it seems?

It did fix the steering problems though so either way that's a plus.

Jeff


I have heard that some people just unbolt the complete "Engine Cradle" at drop the whole thing, engine / transmission etc.

Yes, it could be hard if you did not have a lift.

Are there any shops that you trust to put in the rack & pinion?
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J.W.H
post Apr 30 2010, 10:04 PM
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I got the new one in.
It's just after doing it, looking back I'm thinking it would have been easier to pull the engine and put the rack and pinion in with the eng. out of the way.
Maybe not but it was a pain in the butt job.

Jeff
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