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-   -   sound on Power steering pump (http://www.peachparts.com/shopforum/showthread.php?t=7568)

francis 05-20-2000 09:27 AM

There'a humming sound on my PS pump. My car is a W124 300D 1985 (Euro).

The sound comes out when I turn the stg. wheel to the left only. There's no sound when I turn the wheel to the right.

Could it be the fuild? Dirty filter?


Thanks!

------------------
94' E280 Euro
85' 300D Euro
87' 250D Euro
77' 300D Euro
Manila, Philippines

jeffsr 05-20-2000 07:08 PM

Wait 'till both sides sound equally bad and then repost :D :D. Seriously, this sounds like some air in the pump or a worn seal inside the steering box. Does the feel of the steering change comparing the left to the right?

------------------
Jeff L
1987 300e
1989 300e
1987 BMW 325

Benzmac 05-20-2000 09:13 PM

Be sure the fluid is at proper fill level. Wait 'till cold and check. (all of the airation will have gone away by then.

------------------
Benzmac:
Donnie Drummonds
1992 500E (very soon I hope :)
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

francis 05-21-2000 01:46 AM


OK - Thanks guys! Have'nt really used the car since I got the BOX overhauled and replaced all o-rings/oil-seals. There were some leaks.

Will used the car more and see what happens. I'm also planning to drain the fluid and change the filter. Can I use any DEXRON II or III or do I have to use MB Steering fluid?


Thanks!

------------------
94' E280 Euro
85' 300D Euro
87' 250D Euro
77' 300D Euro
Manila, Philippines

jeffsr 05-21-2000 12:48 PM

Francis, DEX II or III are OK, but it's nice to stick with OEM products when you can, especially when they are not critical items.

------------------
Jeff L
1987 300e
1989 300e
1987 BMW 325


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