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  #1  
Old 04-14-2009, 02:11 PM
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Help! Where to add power steering fluid on W108 2.8 six

My power steering pump has a leak and I need to add power steering fluid. However, I can't for the life of me figure out where it needs to go.

Can someone help direct me to the area where I add the fluid? The only places I can see to add are the brake fluid and the AT fluid.

P.S I think I found the metal canister with wing nut on top. When I opened the lid the PS fluid went until 1 inch of the top. Do I fill right to the top with fluid? I didn't think it would be this full.

thanks!
Mark


Last edited by markovr6; 04-14-2009 at 02:17 PM.
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Old 04-14-2009, 02:22 PM
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About an inch from the top is about right.

How much of a leak is it? A few spots? Puddles?

The automatic transmission lines run through that general area. Have you checked the trans level to see if that is where the leak is from?
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  #3  
Old 04-14-2009, 02:34 PM
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There is a level index mark right on the inside wall of the reservoir...that level is with the fliud up to normal operating temp.
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Old 04-14-2009, 02:43 PM
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If your PS is low you'll hear a loud "Groan" at full lock or hard turns.

Otherwise, check your ATF level (check in park, engine running, with a warm transmission). As Mike points out the ATF cooler lines run to the bottom of the radiator and could be a leak source as well. BE CAREFUL if one of these develops a leak, it can result in an engine fire!
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Old 04-14-2009, 03:08 PM
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I didn't check the PS fluid level when it was warm, only cold. Mabye it will go down when warmed up and I can add the extra fluid.

I know the PS fluid needs a top up as my mechanic advised I would need to do this as there is a leak. The steering groans, and when I turn left there is almost no power assistance. Mechanic said this indicates the fluid is low.

Mechanic also told me it would be about $3000 in parts for new power steering pump and rack not including installation labour. Now, you can understand why I am filling it up every few months instead! This price sound normal?
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Old 04-14-2009, 03:32 PM
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It sure doesn't. The pumps last forever, if a mechanic is trying to sell you a new pump vs about $200 for parts & labor for a reseal, he's ripping you off.
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  #7  
Old 04-15-2009, 11:05 AM
Brian Ostosh
 
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I wish I could get that price for that part and installation,

The Vickers pump is a work of machining art.
The only thing to go bad is the front shaft seal,
otherwise a thorough cleaning and detailing of the rotary vanes and re-assembly is all that is needed
about 3-4 hours for a D.I.Y.

Oh, the removal and install is very tricky for a first timer.
while you are into it do the Hi and low pressure hoses too.
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Old 04-16-2009, 05:48 AM
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does anyone know where to get a how to for this as my power steering has a leak too.
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  #9  
Old 04-20-2009, 10:32 PM
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It was much easier for me to remove the radiator before I removed the steering gear pump. The above comment about being a first timer is true because there are attachment points which are indeed tricky. I pulled the assembly off before I removed the pump. Unless you have a puller to remove the pulley I would let a good mechanic tackle the job. I ordered a rebuilt unit from the site above and the instructions to get your core charge back are very direct. You can remove The AC ( if equipped) condensor and fan as one unit-just mark your wires from the harness but remember that the AC system may be charged It's not too bad if you take your time. While in there I replaced the front crankshaft seal which was leaking.
There are other parts which are easy to get to when you perform this procedure not to mention giving things a good cleaning.
Turner

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