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Old 10-30-2015, 03:10 AM   #6
heiwaz
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Join Date: Jun 2010
Location: spain
Posts: 69
Quote:
Originally Posted by 911monty View Post
What you are seeing is backlash in the ring and pinion gear. Have you checked the gear oil is at the correct level? With both wheels off the ground e brake off and transmission in gear, rotate one of your wheels, the opposite wheel should rotate in opposite direction if you have an open differential. If the wheel does not rotate then you probably have an limited slip differential and the clunking you hear could be the clutches engaging. Good Luck
Yes y tried that, and when rotate one wheel the opposite rotate in the other direction. The oil of gearbox was changed less than 2 years, and leves was correct.

This knocking sound also make it when I run with gear engaged at very low rpm, for example when I go in reverse gear slow, it sound a loud knocking sound. At firts I was thinking that would be the flywheel, and replaced it, but still the sound.
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