Go with an OE rebuilt water pump. About the same price as aftermarket but with a better (2 year) warranty.
-D > On May 13, 2021, at 8:46 PM, Robert Koziak via Mercedes > <firstname.lastname@example.org> wrote: > > Hi All, > Today I decided to change the serpentine belt on my 2004 E320 4Matic > w/90K. In addition I wanted to change the belt tensioner assembly and pulley > just to head off any future issues. I was able to change the pulley but > could not get the lower torque bolt on the tensioner assembly loose. I put > quite a bit of force but stopped because I was afraid it would snap off and > cause some major issues! Thought of applying heat but it is not easy access > to get heat on that bolt location. > Anyone have a similar problem or suggestions? Since it really wasn't > necessary I was considering just changing the tensioner assembly pulley. > Mercedes Benz doesn't sell just the pulley but Rockauto does.....thoughts? > Lastly while changing the belt I found the water pump bearings are very > loose so that's my project next week. Suggestions on the best water pumps? > Thanks in advance! > Bob K > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com