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Question for GB mechanic

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Author  [Modern View]

01-28-2014 15:21:07

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What are these two bolts for? They are about one inch diameter with jam nut and screwdriver slot. On right side forward of brake housing.

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01-29-2014 08:39:36

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 Re: Question for GB mechanic in reply to jnf, 01-28-2014 15:21:07  
Thank you, jeff. Jim

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Jeff Gravert

01-29-2014 05:30:06

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 Re: Question for GB mechanic in reply to jnf, 01-28-2014 15:21:07  
To adjust the rub block, you run the screws in evenly until they stop and then back them off a quarter of a turn. This will position the rub block closely and correctly to the back side of the ring gear. This process does not make any noise, nor will it correct any noises that are in the trans or rear end. Gear wear or faulty bearings would be the source of noises. Jeff

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01-28-2014 16:27:00

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 Re: Question for GB mechanic in reply to jnf, 01-28-2014 15:21:07  
Thanks for your replies. In order to snug it, do I screw them in and evenly? What is the procedure? Will this tend to quiet the rear end somewhat?

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Jeff Gravert

01-28-2014 15:29:36

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 Re: Question for GB mechanic in reply to jnf, 01-28-2014 15:21:07  
Those are connected to a rub block that runs on the back side of the ring gear to keep it from deflecting away from the pinion in a heavy load or heavy pull situation. They are adjustable as the block wears away you can keep snugging it up.

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01-28-2014 15:25:45

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 Re: Question for GB mechanic in reply to jnf, 01-28-2014 15:21:07  
They adjust the thrust plate against the ring gear.

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