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Old 10-19-2017, 07:24 PM
97 SL320 97 SL320 is offline
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Quote:
Originally Posted by ChrisArnt View Post
ok. I'm gonna try to clean the pulleys cross sand the tensioner pulley before I go replacing the water pump. Can I clean the pulleys with brake cleaner? carb cleaner is less corrosive.
Most any solvent will work. Brake clean is generally softer than carb cleaner, mineral spirits will work too.

Quote:
Originally Posted by ChrisArnt View Post
There is a hole in the top of the water pump housing.
Can I add a drop or two of 2-1 oil?
Not really, the seal has a rubber bellows that will be deteriorated by the oil. This rubber bellows is what usually fails when a water pump starts to leak.

Have a look at my post 3 and 4 http://www.peachparts.com/shopforum/vintage-mercedes/372819-4-5-water-pump-durability.html

In the old days, 50's and prior, some water pumps had a grease fitting or oil cup for the bearings but not the seal.
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