Brake questions.
Thread Starter
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Cargo Master
Joined: Sep 2007
Posts: 2,095
Likes: 2
From: Wahpeton ND
Brake questions.
Does anyone know the minimum thickness that the rotors and drums on a 85 F150 can be turned to? I have to knock them off to change pads and shoes and doubt they have ever been turned so I was going to chuck them up and turn them. I realise that it is supposed to be stamped into the steel but the pitting is pretty bad after 25 years.
Thanks.
Thanks.
Moderator
Joined: Jan 2001
Posts: 56,966
Likes: 2,728
From: Virginia
F150 2wd
Max drum diameter prior to machining 11.090 inches.
Drum discard diameter 11.120 inches
Drum nominal diameter 11.030 inches
Front disc minimum thickness before machining 1.150 inches
Front disc discard thickness 1.120 inches
Front disc nominal thickness 1.185 inches
Max drum diameter prior to machining 11.090 inches.
Drum discard diameter 11.120 inches
Drum nominal diameter 11.030 inches
Front disc minimum thickness before machining 1.150 inches
Front disc discard thickness 1.120 inches
Front disc nominal thickness 1.185 inches
Post Fiend
Joined: Dec 2007
Posts: 8,521
Likes: 16
From: Lost
You must be assuming that anyone else actually read that far into your post......
Sorry, I don't know the exact specs for the 4x4 front rotors, but I'd bet they are very similar to the 2wd, since the pads/calipers are the same. Rear drums would be the same, as the are the same parts.
Sorry, I don't know the exact specs for the 4x4 front rotors, but I'd bet they are very similar to the 2wd, since the pads/calipers are the same. Rear drums would be the same, as the are the same parts.
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Moderator
Joined: Jan 2001
Posts: 56,966
Likes: 2,728
From: Virginia
F150 2wd
Max drum diameter prior to machining 11.090 inches.
Drum discard diameter 11.120 inches
Drum nominal diameter 11.030 inches
Front disc minimum thickness before machining 1.150 inches
Front disc discard thickness 1.120 inches
Front disc nominal thickness 1.185 inches
Max drum diameter prior to machining 11.090 inches.
Drum discard diameter 11.120 inches
Drum nominal diameter 11.030 inches
Front disc minimum thickness before machining 1.150 inches
Front disc discard thickness 1.120 inches
Front disc nominal thickness 1.185 inches
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Thread Starter
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Cargo Master
Joined: Sep 2007
Posts: 2,095
Likes: 2
From: Wahpeton ND
Rotors were shot. One side had pads worn at an angle. Replaced rotors and pads.
Drums looked ok. No adjuster cable though. Installed adjuster cables and now have very, very good brakes.
Thanks for the help yall.
Drums looked ok. No adjuster cable though. Installed adjuster cables and now have very, very good brakes.
Thanks for the help yall.
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