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Old 05-03-2012, 06:05 PM
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whunter whunter is offline
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Answer

Quote:
Originally Posted by flainn View Post
Shifting into forward gears produces the same result. Faint clunk from the rear, and the car won't go anywhere at all, regardless of RPM. But in forward gear, if I wind it up past about 2000 RPM, the speedometer starts to jump up to about 40 mph, then back to zero when I let off the accelerator.
Your diagnosis is done.

If the speedometer is reading = the final drive is spinning, but the output flange is not.

Item# 584.
Item# 841.
http://www.ganzeboom.net/images1/ganzeboom/parts/Mercedes/722.3,%20722.4.pdf





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Quote:
Originally Posted by Diesel911 View Post
I vaguely remember some one having the Yoke on the Out Put Shaft come loose or being stripped out with similar symptoms.
If the Speedo Needle was moving I am guessing there must have been Transmission movement up to that point inside of the Transmission.

While you are under there checking to see if the Filter you installed is OK see if there is anything else in the Drive Train disconnected.
This issue is becoming more common.
Bad 722.xxx-transmission output flange spinning on shaft

http://www.peachparts.com/shopforum/diesel-discussion/301813-transmission-problem-fix.html

http://www.peachparts.com/shopforum/mercedes-parts-reference-library/301849-output-flange-722-xxx-transmission.html


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Last edited by whunter; 05-03-2012 at 11:17 PM.
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