HAVE A '54, WITH A 70's SOMETHING FORD 9" REAR. NEED TO SET UP THE CARRIER. PROBABLY BE SMART TO REPLACE ALL THE BEARINGS AND SEALS. ALAS, MY TRUSTED MECHANIC GETS $90/hr SO I'M PROB LOOKING AT $600-700 WHEN EVERYTHING IS DONE. MAYBE A TRIP TO THE JUNK YARD IS IN ORDER. WHAT ARE SOME POPULAR REAR'S THAT HAVE BEEN USED? WHAT YEARS TO LOOK FOR. I UNDERSTAND THERE MAY BE SOME FABRICATING IF I OPT FOR ANOTHER REAR. WOULD LIKE TO HAVE A 5 on 5 1/2 LUG SPACING. CAN ANYONE RECOMMEND A NJ/NY/PA SHOP THAT COULD REBUILD MY REAR AT A REASONABLE COST THANKS
Why not rebuild it yourself. You can rebuild it underneath the truck on jackstands or you can take it completely out and put it on sawhorses and work on it without wrenching your back (I'm out of shape, these types of decisions are important).
Just replace all the bearings, inspect the wear on the ring and pinion gears, make sure everything feels tight without wobble. Setting the backlash on a rear axle isn't very difficult and you can use the official plastic crusable strips (cheap) or even playdoah.
I've done a few myself over the years and it's not really that difficult to do yourself.
Thanks for the feedback, yeah, I know I can replace the bearings and seals, its the carrier backlash that I'm not sure of. Any instructural info out there, never heard of crushable strips but it makes sence ; probably what the garage would use anyway.
Yup, I agree, and I have some money and time tied up back there also; new wheel cylinbders, new brake pads and new drums. I need to get educated on how to set the carrier gear lash (I think thats the correct term). Time to start Internet searching
Gear lash is rather simple. Essentially you stick these plastic strips into the gears as they mesh, then measure the thickness after squashing them. The thickness should be approximately equal to the manufacturer's specification, and if not you adjust how far the pinion sticks out into the ring gear. The usual adjustment method is required - shims
If it's too lose it will chatter and wear out quickly, and possibly break as the edges of the teeth will be all that is meshing, and if it's too tight the edge of the teeth will bang on the body of the ring gear, and something will break.
I don't know offhand what the lash should be on a 9" but once you have that figure you can have a go at it.
Measuring backlash isn't a big deal with the little plastic sticks, or playdouh. Taking the thing apart to shim it is a bit more work, and more than likely you'll have to do it twice to get it right since you've never done it before. Don't fret, it's par for the course.
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