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Old 08-09-2005, 11:53 PM
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whunter whunter is offline
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Location: Metro Detroit, Michigan
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Post windshield washer tank leak

Yes:
The typical windshield washer tank leak is caused by bad Washer Pump Grommet.
Locate the washer pump attached to the tank, carefully pull up on pump while rotating side to side, when pump is out, remove the bad grommet and pop in new grommet, install pump and fill tank.
Be prepared to replace the pump and/or hose also, with age they become delicate.
Mercedes Benz Nylon reinforced Washer Hose = 5 Meters; and
Hose can be replaced with rubber hose from your local generic auto parts store.

Here are the part numbers; but I suggest you check with your local MB dealer, they may be cheaper after S&H + minimum order cost.

If it is a crack:
The secret is to clean, dry and rough the outside of tank in repair area with medium sand paper, wire brush or abrading tool, then use canned (dry) air to blow clean, before applying any sealer.
I have used; hot glue gun, epoxy, super glue and many other products to repair the tank.
It may be cheaper for you to buy a new tank if cracks are bad.



PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1990 Mercedes Benz 500SL
Part: Washer Pump Grommet
P7052-118690 Washer Pump Grommet IN STOCK $1.18

http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1L402LA1S1L41BOGK3&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1990&product=P7052-118690&application=000506069

PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1990 Mercedes Benz 500SL
Part: Washer Pump Grommet
P7052-16328 Washer Pump Grommet IN STOCK $0.88

http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1L402LA1S1L41BOGK3&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1990&product=P7052-16328&application=000241034

PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1990 Mercedes Benz 500SL
Part: Washer Reservoir
Note: W/ ASD and ADS
Only with ASD (limited slip differential) and ADS (adaptive damping system).
P7060-74599 Washer Reservoir IN STOCK $42.63

http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1L402LA1S1L41BOGK3&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1990&product=P7060-74599&application=000418282

PART NUMBER SEARCH RESULTS WITH PRICES

Vehicle 1990 Mercedes Benz 500SL
Part: Washer Reservoir
Note:
Chassis: F 025232-
P7060-74598 Washer Reservoir IN STOCK $83.30

http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1L402LA1S1L41BOGK3&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1990&product=P7060-74598&application=000418292

PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1990 Mercedes Benz 500SL
Part: Washer Pump
Note:
Use with grommet 123 997 36 81.
P7050-65335 Washer Pump Febi IN STOCK $17.15

http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1L402LA1S1L41BOGK3&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1990&product=P7050-65335&application=000353293

PART NUMBER SEARCH RESULTS WITH PRICES

Vehicle 1990 Mercedes Benz 500SL
Part: Washer Pump
Note: Windshield
Chassis: F-140422-
P7050-134666 Washer Pump VDO IN STOCK $18.76

http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1L402LA1S1L41BOGK3&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1990&product=P7050-108780&application=000504178
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