5-Screw Automatic Hub Locks
The 3 parts labelled 3B458 are the shim washers. The outer is splined steel; the middle is fiber/plastic; the inner is smooth steel. Install three washers in order: metal washer first, plastic washer second and splined washer last. They bear the stub shaft's thrust load (caused by the C-ring), and keep it fully OUTboard so the U-joint stays aligned between the ball joints, and so the outboard small snap ring used on manual hub locks can be installed. Early axles had a single solid steel splined spacer instead of these 3.
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'80-93 Front Rotor
MotorCraft BRR8'79-85 Front Pads
Motorcraft BR43B'86-93 Front Pads
Motorcraft BR41B'94-96 Front Pads
Motorcraft BR46'94-96 Front Rotor
Motorcraft BRR56
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![autolock8593.jpg 5-Screw Automatic Hub Locks
The 3 parts labelled 3B458 are the shim washers. The outer is splined steel; the middle is fiber/plastic; the inner is smooth steel. Install three washers in order: metal washer first, plastic washer second and splined washer last. They bear the stub shaft's thrust load (caused by the C-ring), and keep it fully OUTboard so the U-joint stays aligned between the ball joints, and so the outboard small snap ring used on manual hub locks can be installed. Early axles had a single solid steel splined spacer instead of these 3.
[url=https://www.supermotors.net/registry/media/1171772][img]https://www.supermotors.net/getfile/1171772/thumbnail/splinew23.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/1168847][img]https://www.supermotors.net/getfile/1168847/thumbnail/splinewasher.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/1171798][img]https://www.supermotors.net/getfile/1171798/thumbnail/hubpts5new23.jpg[/img][/url]
'80-93 Front Rotor [url=http://www.amazon.com/dp/B000C5FDOQ/]MotorCraft BRR8[/url]
'79-85 Front Pads [url=http://www.amazon.com/dp/B000C5DBKY/]Motorcraft BR43B[/url]
'86-93 Front Pads [url=http://www.amazon.com/dp/B000C5DC30/]Motorcraft BR41B[/url]
'94-96 Front Pads [url=http://www.amazon.com/dp/B000C5DBS6/]Motorcraft BR46[/url]
'94-96 Front Rotor [url=http://www.amazon.com/dp/B000C5DE7O/]Motorcraft BRR56[/url]
[url=http://www.supermotors.net/registry/media/895156][img]http://www.supermotors.net/getfile/895156/thumbnail/hublock5scrx.jpg[/img][/url] . [url=http://www.supermotors.net/registry/media/170464][img]http://www.supermotors.net/getfile/170464/thumbnail/autolock5screw.jpg[/img][/url] . [url=http://www.supermotors.net/registry/media/757655][img]http://www.supermotors.net/getfile/757655/thumbnail/autolock8593.jpg[/img][/url] . [url=http://www.supermotors.net/registry/media/479613][img]http://www.supermotors.net/getfile/479613/thumbnail/autolock5parts.jpg[/img][/url] . [url=http://www.supermotors.net/registry/media/470241][img]http://www.supermotors.net/getfile/470241/thumbnail/autohublocksop.jpg[/img][/url] . [url=http://www.supermotors.net/registry/media/470473][img]http://www.supermotors.net/getfile/470473/thumbnail/tsb970628motoringtorque.jpg[/img][/url]](https://www.supermotors.net/getfile/757655/fullsize/autolock8593.jpg)