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Old 04-01-2008, 04:08 PM
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Join Date: Aug 2007
Posts: 44
300se p/s pump leaks

help,would like to know if resealing p/s pump on my 89 300se is not too
hard and how to do it,thanks for any help on nthis

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Old 04-01-2008, 05:48 PM
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Join Date: Dec 2000
Location: AL
Posts: 1,219
Not too hard. Do a search and you'll find plenty of info. Seems like I posted a step-by-step a while back.
2012 E350
2006 Callaway SC560
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Old 04-01-2008, 07:04 PM
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Join Date: Sep 2004
Posts: 9,086
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Simple as can be! Figure $3-7 for the reseal kit. $5 for some brake clean. $3 for a new filter $10 for some new return hose, and $6 for a few fresh quarts. Maybe a few hours of your time.

More often than not, the reservoir o ring leaks to the main body. That's a few small bolts below the filter. Behind the pulley there are four 13mm bolts, pull them you'll find the other orings.

I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

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