Help! Need fast answer to easy question
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Elder User
Joined: Jul 2001
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From: Portland, OR
Help! Need fast answer to easy question
I'm sure someone out there knows the answer to this. These two questions were part of a group of three that no one answered last time.
For a 1999 Superduty F250 4x4 front brakes:
1. Do the rotor discs slip off seperately from the hub once the caliper is removed (like on Explorers and Rangers)?
2. To remove the calipers, do you hammer out two steel rods (like on Rangers and Explorers) or are they bolted on?
I'm helping a buddy this weekend and need to know if I'm going to run into something that I didn't expect. A quick confirmation (or short explanation on how it's different) is all I ask for.
Thanks!
Mark
For a 1999 Superduty F250 4x4 front brakes:
1. Do the rotor discs slip off seperately from the hub once the caliper is removed (like on Explorers and Rangers)?
2. To remove the calipers, do you hammer out two steel rods (like on Rangers and Explorers) or are they bolted on?
I'm helping a buddy this weekend and need to know if I'm going to run into something that I didn't expect. A quick confirmation (or short explanation on how it's different) is all I ask for.
Thanks!
Mark
Senior User
Joined: Oct 2002
Posts: 437
Likes: 3
From: Fayetteville (Atlanta) GA
Help! Need fast answer to easy question
1. Yes, once the calipers are removed they slide off the hubs.
2.Bolted on, it's either a 20 or 22mm. And they are tight !
2 tips
1. Find a place that can turn your large rotors in advance.
2. When you force the pistons back in the caliper, open the bleeder valve or you will trash your ABS module. Also you will need two "C' clamps to push the pistons back in because there are two pistons per caliper. If you try to push one with the other one not clamped you will blow it out of the housing.
Have Fun !!! Did mine several months ago.
GAV10 Mark
2.Bolted on, it's either a 20 or 22mm. And they are tight !
2 tips
1. Find a place that can turn your large rotors in advance.
2. When you force the pistons back in the caliper, open the bleeder valve or you will trash your ABS module. Also you will need two "C' clamps to push the pistons back in because there are two pistons per caliper. If you try to push one with the other one not clamped you will blow it out of the housing.
Have Fun !!! Did mine several months ago.
GAV10 Mark
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Elder User
Joined: Jul 2001
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From: Portland, OR
Help! Need fast answer to easy question
That was fast and thanks for the extra info. If you get this, shoudl the caliper pistons be retracted before or after removing from the disc? I'm thinking that with two, if they are opposing each other, you would have to do it after the caliper is removed. On a Ranger, you can put the c-clamp on the caliper while it's still on the the disc and move it that way.
Thanks,
Mark
Thanks,
Mark
Senior User
Joined: Oct 2002
Posts: 437
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From: Fayetteville (Atlanta) GA
Help! Need fast answer to easy question
I don't think you could get the clamp in position with the calipers still installed. I did mine after they are removed. The pistons don't oppose each other, they are mounted side by side in the same housing. Once you get the bolts out it's really easy, the complete assembly will come right off. The brake line will be the only thing attaching it to the truck.
GAV10 Mark
GAV10 Mark
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Elder User
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From: Portland, OR
Help! Need fast answer to easy question
Thanks again Mark. If you have time for one more clarification...I'm assuming you need to sort of run in both c-clamps at the same time or pushing just one in will push the other out? Is that correct?
Mark
Mark
Senior User
Joined: Oct 2002
Posts: 437
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From: Fayetteville (Atlanta) GA
Help! Need fast answer to easy question
You do not have to turn both clamps in at the same time. You need to have a clamp installed on the one your not trying to move to keep the hydraulic pressure from pushing it out. So install both clamps until they are snug against the piston. Then pick one, it doesn't matter, turn it until the piston bottoms out in the housing. Leave the clamp on the one you just pushed in. Turn the other clamp until that piston bottoms out in the housing. Now you can remove both clamps and install your pads.
Sound like you have your weekend project planned.
I noticed your orginal post on this subject is alive again, and has been bumped to the top.
GAV10 Mark
Sound like you have your weekend project planned.
I noticed your orginal post on this subject is alive again, and has been bumped to the top.
GAV10 Mark
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Elder User
Joined: Jul 2001
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From: Portland, OR
Help! Need fast answer to easy question
Thanks again Mark, the other post was just an update on the rotor issue so I really appreciate the help.
Mark
Mark
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From: Princeton, MN
Help! Need fast answer to easy question
According to Monsta in the Group Purchase forum when they were talking about the ART rotors, that is a 21 mm socket to remove the calipers. I guess I didn't check to make sure the years were the same etc. but I can't imagine it changed in the Super Duties at all.
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Thread Starter
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Elder User
Joined: Jul 2001
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From: Portland, OR
Help! Need fast answer to easy question
Good point, on my old Ranger, you could get the c-clamp around the who caliper and force it back before you took it off. I'm sure I'll see tomorow morning that the Superduty caliper is too big for this.
Mark
Mark
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Joined: Jan 2002
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From: USA
Help! Need fast answer to easy question
Guys !
becareful when pushing in on the pistons ,go slow or you can cause damage to the caliper itself or the abs unit and it's valves.
I prefer to loosen the bleeder with hose into a container .then there s no chance of hurting the pistons ,abs or master cylinder .
Rich
l
becareful when pushing in on the pistons ,go slow or you can cause damage to the caliper itself or the abs unit and it's valves.
I prefer to loosen the bleeder with hose into a container .then there s no chance of hurting the pistons ,abs or master cylinder .
Rich
l