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Posted by Vaughn on Friday, August 14, 2009 at 23:14:45 :
In Reply to: 3rd gear noises on my 56 C3 -PW posted by Terry on Friday, August 14, 2009 at 21:45:54 :
You're tight on backlash, s/b .011. There are numerous conditions that can cause that problem.
- To little clearance between Cab and tranny.
- PTO lever missing anti-rattle washer at shifter shaft adjustment bolt.
- cab not aligned properly.
- Bad PTO reverse & idler shafts, gears, or bearings.
- Bad third member.
- Bad TC intermediate gear or bearings.
- Bad rear motor mounts.
Was the PTO rebuilt? If so, then you need to add additional anti-rattle washers. I have a 56 and I also added a thin washer between lever and rear but plate where the pin holds the lever. I also rapped a piece of rubber inner tube around the lever at the floor plate lock area about two inches wide secured by cable ties around the rubber/lever. After chasing all the rattles, the only thing I hear now is the purr of the engine when going down the road.