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-   -   Changing rotors and pads on 2004 WJ 4WD (http://www.jeepgarage.org/f199/changing-rotors-and-pads-on-2004-wj-4wd-13584.html)

Towerman 10-04-2010 04:06 PM

Changing rotors and pads on 2004 WJ 4WD
 
I am installing PowerStop slotted and cross drilled rotors and the PowerStop performance pads on my vehicle because of the mountainous terrain that I cover for my job.

If you are not replacing the calipers, can you simply compress the caliper pistons to install the new pads or do you need to bleed the brakes at teh caliper from pushing the fluid backward through the ABS?

Beeman 10-04-2010 04:43 PM

Re: Changing rotors and pads on 2004 WJ 4WD
 
Yes, but make sure to remove the cap and some oil from the resevoir before compressing the pistons or you will over fill the resevoir and have big mess.

Chaoul1 10-04-2010 04:59 PM

Re: Changing rotors and pads on 2004 WJ 4WD
 
Welcome!

You can compress the Pistons with a C-clamp and with the Old Brak Pads. After you install the brakes go to a shop and tell them to Bleed the Brakes.

straty1987 10-04-2010 05:21 PM

Re: Changing rotors and pads on 2004 WJ 4WD
 
just
remove wheel
unbolt caliber
losses cap around brake fluid and put a rag
unbolt caliber
compress piston with c-clamp
remove old pads and rotors
install new pads and rotors
bolt on caliber and put back wheem

only need to bleed when you put a new caliber really but some people do it. if you want can do it just get some dot3 fluid and a freind to do it.

Towerman 10-05-2010 07:41 PM

Re: Changing rotors and pads on 2004 WJ 4WD
 
Thanks for all of the valuable input. Let's say that you wanted to bleed your brakes for the purpose of replacing the fluid. Some DIY'ers say that you should bleed from all 4 calipers in a certain sequence...some say it doesn't matter. Any thoughts or links where I can verify either method?

Thanks,
Chris
facebook.com/TowerMan

JeepMe 10-06-2010 08:35 AM

Re: Changing rotors and pads on 2004 WJ 4WD
 
Are you trying to replace all the fluid or just some of it? If you drain it all out, you'll have to bleed the master cylinder. I always bleed longest line to shortest line. So, rear passenger, rear driver, front passenger, and rear driver.

Does it matter? I don't know but I doubt it. On the small chance that it does matter, I'm playing it safe w/ my brakes and it doesn't take any extra time.

cheapjeep 10-06-2010 11:41 AM

Re: Changing rotors and pads on 2004 WJ 4WD
 
I'm not sure about this guys,but I thought I read somewhere that to bleed the antilock system it has to be hooked up to the computer.I'd check first
since you really dont have to do it.

Towerman 10-06-2010 01:28 PM

Re: Changing rotors and pads on 2004 WJ 4WD
 
Hi JeepMe, I was only replacing the front rotors and pads, so I just wanted to bleed some of the fluid out from the front calipers.

Towerman 10-06-2010 01:32 PM

Re: Changing rotors and pads on 2004 WJ 4WD
 
Hi CheapJeep, thanks for the heads up...I will check on that and may not bleed at all since it really isn't required for replacing the rotors and pads only.


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