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#1
09-04-2012, 07:56 PM
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Stopped shifting into 4th gear
1987 Mercedes 300TD, stopped shifting into 4th gear. Today, I was driving 65mph, the RPM increased rapidly, and 4th gear stopped working. I put it into neutral, then into gear, 4th worked...then after a short distance it happened again. Three days ago, I replaced transmission fluid and put 2 magnets into oil pan since there were none by the drain plug area. Magnets were household ones that I found in my garage. Could this be a problem? May be vacuum problem? I checked the dipstick and for warm engine, it shows overflow. Can this be the cause? Thank you.
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#2
09-04-2012, 08:29 PM
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The first step would be to ensure that the fill level is correct. There is a post somewhere on this forum that speaks of cleaning out a small screen in the rear part of the valve body if such a problem happens on a 722.3xx like you have.
Adding magnets is pretty good practice.
__________________
2012 BMW X5 (Beef + Granite suspension model) 1995 E300D - The original humming machine (consumed by Flood 2017) 2000 E320 - The evolution (consumed by flood 2017)
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#3
09-04-2012, 09:38 PM
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I just removed the transmission pan and took magnets out, also reduced the oil level a bit. I disconnected the kick down switch as well to check. So far, same result. I will check the screen post. Thank you.
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#4
09-04-2012, 09:41 PM
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Is your shifter loose? Bad shift bushings could make it slip into S...just brainstorming.
__________________
TC Current stable: - 2004 Mazda RALLYWANKEL - 2007 Saturn sky redline - 2004 Explorer...under surgery. Past: 135i, GTI, 300E, 300SD, 300SD, Stealth
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#5
09-04-2012, 09:50 PM
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Quote:
At same time as doing transmission service, I also replaced engine mounts and transmission mount.
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