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I'ts time to replace the brakes front and rear on my wifes 00 expedition but have been unable to find any info on them. the min. rotor thickness the bolt size for the caliper arm { poss 18mm} and the allen size . tried pep boys and auto zone and found out the hayes manual is not avaiable after 1999. can anyone help. I REALLY DONOT WANT TO SPEND MIN. 250$ PER AXLE.
The manual shows the rear rotor minimum thickness as .40" or 10.5mm. The front rotor minumum is 1.09" or 27.7mm.
The front caliper bolts should be T45 Torx. The caliper brackets should be 18mm but could possibly be either 15 or 21 mm.
Originally posted by Racerguy Sprocket nut? If you mean the nut on the end of the axle you dont have to remove that. The rotor slides off after you remove the caliper bracket.
CAUTION!!! Many user's have reported stuck front rotors due to corrosion (search previous posts). I tried to change the fronts on my 98 and ended up taking it to a brake shop were they had to cut the rotors off with a torch (they said it wasn't the first time they had to do this on an Expy!) BTW, I live in the salt belt (WI), so you may be OK if you live in a salt free region.
I just changed my front pads and cut my rotors the other week. If you have access to air tools, that will save you lots of time,money and headache. The center nut actually was only hand tight, took it off removed the front and rear bearing sets and had midas cut them for 30 bux. Repacked the bearings and used anti-seize on the back of the pads to keep from squealing and thats it......an all day job reduced down to half a day( no thanks to midas)!!
Quick tip, if you are going to replace the rotors, and for $60-80 a pop, you should anyhow.
They generally are seized on, but resist the initial temptation to beat them with a sledge (it will only screw up your CV joints)
Step 1) spray to soak the mating point with a good penetrating oil.
Step 2) Remove all of the hardware , Caliper, etc.
Step 3) using a Sawzall, or porta-band saw, make 3 evenly spaced cuts beginning from the edge of the rotor, towards the center (like a pie) BE CAREFUL not to cut to far, and into the axle
Step 4) smack the freshly cut rotor several times firmly with a healthy hammer, on either side, and watch them fall off (just that easy!)
Step 5) sit back and laugh at the guys who pay big bucks to have a shop torch off their rotors, or charge $250 per axle for the job.
P.S. Dont forget to use a liberal amount of Anti-Seize during re-assembly, and use a wire wheel or sand paper to remove any scale from the hub. It will make future brake jobs, and rotor removal with just a rubber mallet a walk in the park.
Originally posted by jrahn
Step 5) sit back and laugh at the guys who pay big bucks to have a shop torch off their rotors, or charge $250 per axle for the job.
Let's do some math here -
two rotors $160
brake pads $30
penetrating oil $5
Sazall blades $8
anti-seize compound $4
hand cleaner $5
box of band-aids to cover all the busted knuckles $3
minimum 2 hours under the Expy (priceless)
Total = $215
I paid $235 for the local stealership (not a brake shop like I first thought) to do it while I sat in their waiting room reading the newspaper and consuming free coffee and donuts. That's $20 bucks well spent in my book.
Of course, as they say "eggs are cheaper in the country (I'm in WI)," so you would probably pay more at a dealership or brake shop in a bigger city.
Great idea for cutting the rotors to get them off. I must admit that I'm bit concerned that the dealership monkeys may have overheated the hubs when they torched my rotors off.
I didnt mean for people to actually laugh at you, but I too have been ripped by the dealer, or brakeshops.
I agree that $20.00 is a good price for enjoying Coffee and Doughnuts.
I dont know of a method to check the hubs for damage from overheating.
what I will do is try getting everything loose first, if the rotors don't loosen after soaking with penatrating oil, for a few hours I'll let them soak for a week and try them again. can't do it this weekend , mid 30's and SNOW on sat. not any better on sunday. no garage.
Hey, the cutting suggestion worked great! I used a hacksaw. The right rotor took three cuts, the left only two. Each cut took about 5 minutes, a few skirts of WD40 and about a pint of sweat. When the cut gets down near the hub you can hear a little "ping" when the stresses in the metal let go.
It seems this problem is caused by the hub recess on the rotor being quite a bit deeper than the hub itself, when the excess metal on the inside of the rotor rusts it expands behind the hub and locks the rotor on to the hub real solid. I had 2 or 3 handfuls of rust flakes on the ground underneath each rotor after it finally loosened. Never had this happen on any of my other cars.
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