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IIRC, too much backlash will eventually result in broken gears. it wouldn't hurt to open it up and study the setup - some of that blue machinists layout fluid that shows the contact area would be helpful here. also study the u-joints, as they may be on their way.
remember that maintenance costs less than emergency repairs
Every year I look everything over, check for slack in the front end and driveline. Always tight, u-Joints are nice and tight, and greased every oil change.
well its good that you keep up on it, but u-joints can wear out without being obvious until they're gone. in my case, the front joint had no slop i could feel, the the rear only had a little bit of slop in a vertical direction (not rotational), but when i replaced them, i found that both joints had significant wear, though not severe. i've heard it said by a number of people that the only way to be sure it to take them apart and look
well its good that you keep up on it, but u-joints can wear out without being obvious until they're gone. in my case, the front joint had no slop i could feel, the the rear only had a little bit of slop in a vertical direction (not rotational), but when i replaced them, i found that both joints had significant wear, though not severe. i've heard it said by a number of people that the only way to be sure it to take them apart and look
True enough some times. IMO on u-joints, they dont need changed until theyre loose, even if the are dry. Just did my dads, was squeeking to beat hell but was tight. Pulled it, and 3/4 of the needels were broke and it did bind some, but was still truckin. Not to bad though 20 years and 200k miles it lasted, almost to the tee.