04 C230 Kompressor starter motor clicks but not turning
I drove home during a heavy rain today, no problem on the road. But on my way to the gym, I stopped the engine during a known long wait at a particular traffic light. The car won't start again. Jumping didn't help. Finally I got it towed back home.
Checking the battery, it's fully charged. I then let my wife turn the ignition switch on. From the engine compartment, I heard a clear click, followed by a low whining sound when the key is turned to start position.
What should I look next? The fuses looks fine. But I don't know which relay is responsible for starter. such is also not reflected in the in the fuse chart.
thanks much for sharing any insight.
Ben
Last edited by BenZ190D; Jul 18, 2016 at 10:25 PM. Reason: mis-spelling
Can anyone please share some experience over the do-ability of the job of replacing the starter motor?
Ben
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Push up on shaft. It will drop down, I made a you tube video on this.
Last edited by C230 Sport Coup; Jul 21, 2016 at 04:48 AM.
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Last edited by BenZ190D; Jul 21, 2016 at 10:52 AM.
The carbon brush is complete gone, no wonder hammering on it didn't work. Will put in a new carbon brush kit tomorrow. Looks good for the weekend.
this is partially my own making as I had the habit of turning off the engine at traffic lights I know that take a long time to turn green. it turn out lowering CO2 emission didn't play well with my wallet and soring joint from lying hours under the car besieged by hundreds of mosquitos
Last edited by BenZ190D; Jul 21, 2016 at 11:12 PM. Reason: add a picture
I do worry grease might make them slip, as in my Craftsman drill, which slips easily after I dropped lubricant to the gears.
Any insight would be appreciated.
Finally, I could reassemble the motor with new brushes. But to my surprise, when I apply briefly 12V from a battery. The shoot-out gear doesn't even move, nor do I see spark from the contact as it did before the rebuild.
Could my pre-rebuild test with jumper cable damaged the circuit? What can I do to isolate the problem?
thanks much!



