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Old 09-18-2003, 12:30 PM
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haasman haasman is offline
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Join Date: Jun 2001
Location: San Francisco, CA
Posts: 3,097
Sorry to hear about your redundant training in water pump R&R-

Check to see if the pump mating surface is really flat. Try using a steel edge ruler, moving all over the surface. Look carefully for any light gaps.

Is it the correct O-ring? If you still have the old O-ring match it up. Compare for the obvious overall diameter but also thickness.

Where did you get it and the pump?

'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)
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