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The best thing that ever happened to her?
My emissions saga has been interrupted... by the catastrophic failure of my viscous clutch bearing bracket. (A bowl of bearing and seal soup)
I had just gotten my new water temp sensor installed, oil change, and Techron. While getting ready to do the O2 sensor I noticed a flock of chickadees chiseling away under the hood. I had been wondering what the red flakes of dust were that coated everything oily (and that’s a lot) in the engine compartment for some time. But now, with something loudly chirping in there, I noticed aluminum shavings, like a light snow, falling directly up from the water pump. It took me a while to see the fan pulley rubbing itself to bits against the crank pulley (held in place only by the Poly-V belt) but luckily I did so in the driveway and not the far end of East Kabibbel. Took it off between 11:30 PM and 12:30 AM (as we must act when opportunity presents itself, praised be to a break in the weather) and got to thinking. Since I have the fan and rotor off this might be a good time to do the front U seal as I seem to be on my way past the Mercedes approved barrier of 1qt./1,000 miles, in a hurry. Maybe I should tackle the valve seals as well and replace the rotor and cap for good measure. My daily driver is going to take an unscheduled vacation, which I can handle. Actually feels like a relief to get some R&R for the old girl. I knew she needed it already, and now I know so even more. Guess I'm wondering if anyone has any suggestions as to: other items that don't require much in the way of part$, and my labor would be just a few wrenches away at this point. Also my fear of valve seals is in search of some good threading to allay it. Open to suggestions, Marty
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-Marty 1986 300E 220,000 miles+ transmission impossible (Now waiting under a bridge in order to become one) Reading your M103 duty cycle: http://www.peachparts.com/shopforum/831799-post13.html http://www.peachparts.com/shopforum/831807-post14.html |
#2
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Also... is this failure (viscous clutch bearing bracket) more likely related to my oil leaks fowling it or the short time (couple of months) spent last year with an all the way tight tensioner?
Are there good reasons to replace this with new expensive parts or is salvage likely to be ok? Can it be rebuilt? It does have the updated water hose bracket (I'm not sure if that is original on an 86' but I don't think so). I will need a new fan pulley and the Allen that holds the viscous clutch on is striped so I will probably be wanting to pull the whole thing off a wreck if possible. Thanks in advance. __________________
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-Marty 1986 300E 220,000 miles+ transmission impossible (Now waiting under a bridge in order to become one) Reading your M103 duty cycle: http://www.peachparts.com/shopforum/831799-post13.html http://www.peachparts.com/shopforum/831807-post14.html |
#3
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Aditional checks
Be sure to check the acc. belt idler pully and tentioner pully. They are cheep and Quite noisy when going bad.
Just finished mine today and what a releef to know it was just the t-cover U seal and not the head gasket leaking. |
#4
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Got it... Finaly
Thanks to djimmy31 and his 88' parts car She is up and running again.
I did change the Rotor and Cap, which gave an instant and noticeable improvement in the quick and easy start after sitting in my driveway for a month! Took her out for a test-drive and blew a little white smoke out of her till she was back to normal. I cleaned off the engine real good up front and on the passenger side so I should be able to monitor that front U seal leak. I never knew that block looked like a cast iron pan under all that oil… I can even read the engine ID#. Now back to the inspection station to see if my water temp sensor did the trick for my emissions.
__________________
-Marty 1986 300E 220,000 miles+ transmission impossible (Now waiting under a bridge in order to become one) Reading your M103 duty cycle: http://www.peachparts.com/shopforum/831799-post13.html http://www.peachparts.com/shopforum/831807-post14.html |
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