WJ: Brakes in need of Viagra - Great Lakes 4x4. The largest offroad forum in the Midwest

Go Back   Great Lakes 4x4. The largest offroad forum in the Midwest > 4x4 Talk > Jeep Tech
GL4x4 Live! GL4x4 Casino

greatlakes4x4.com is the premier Great Lakes 4x4 Forum on the internet. Registered Users do not see the above ads.
Search
Reply
 
Thread Tools Search this Thread
Old July 25th, 2014, 10:23 PM   #1
Sandals
Fucking Zen as Shit
 
Sandals's Avatar
 
Join Date: 11-05-05
Location: Lindenhurst, IL
Posts: 15,389
iTrader: (7)
Mentioned: 2 Post(s)
Default Brakes in need of Viagra

2001 WJ

Rotors, Pads Calipers about 9 months old

Booster and Master cylinder 1 month old


I haven't been happy with pedal feel for some time, replaced the booster because saw a little dripping fluid and it had over 200,000 miles on it.

After all was installed I gravity bled the system, had at least 3/4 quart of fluid run through each bleeder.

Since the pedal feel has still been soft, no fluid usage, and no visible leaks.

Any ideas?
I may get another cap and do a pressure bleed to see if that changes it at all.
Sandals is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old July 25th, 2014, 10:28 PM   #2
Lousypirate
Yer a trucker, right?
 
Lousypirate's Avatar
 
Join Date: 02-11-08
Location: Marne 49435
Posts: 11,382
iTrader: (33)
Mentioned: 28 Post(s)
Default

200000 on stock brake lines? Drum brakes?
__________________
2003 gmc 1500hd quadrasteer "Miley"
2000 jeep cherokee "Herman"
194X CJ2a "To be named"
1977 Ranger 150a bass boat
1987 Yamaha Moto 4 quad
Lousypirate is offline   Reply With Quote
Old July 25th, 2014, 10:30 PM   #3
firehawk
Live Action!
 
firehawk's Avatar
 
Join Date: 10-02-07
Location: Clawson, Michigan
Posts: 12,491
iTrader: (44)
Mentioned: 10 Post(s)
Default

You replaced the booster, you also replaced the master?

Did you bench bleed it properly?
firehawk is offline   Reply With Quote
Old July 26th, 2014, 12:01 AM   #4
Sandals
Fucking Zen as Shit
 
Sandals's Avatar
 
Join Date: 11-05-05
Location: Lindenhurst, IL
Posts: 15,389
iTrader: (7)
Mentioned: 2 Post(s)
Default

4 wheel disc s

Still factory lines, maybe the soft lines are getting worn and bulging under pressure, hadn't thought of that.

Replaced master, bench bled, and then when it wasn't to my liking also followed " installed master bleeding" tricks"
Sandals is offline   Reply With Quote
Old August 12th, 2014, 06:42 PM   #5
JEFF
Hold my beer!!
 
JEFF's Avatar
 
Join Date: 03-01-06
Location: Hamburg
Posts: 962
iTrader: (7)
Mentioned: 0 Post(s)
Default

Check the slide pins in the caliper mounts. It is very common for these to bind or get rusted onto the mount itself, two pins per side should slide free in and out. One of the two pins is probably binding and this is what makes the pedal feel soft, it will also cause uneven pad ware and most common on the front brakes. Be prepared to replace the mounts and slide pins if they are seized as it is not worth your time nor safe because you will need a bunch of heat from a torch to get the pins loose. You will need to know what type of brakes you have as the 01 GC could have two types of front brakes and the mounts are different.

good luck.
JEFF is offline   Reply With Quote
Old August 13th, 2014, 09:52 AM   #6
Sandals
Fucking Zen as Shit
 
Sandals's Avatar
 
Join Date: 11-05-05
Location: Lindenhurst, IL
Posts: 15,389
iTrader: (7)
Mentioned: 2 Post(s)
Default

Quote:
Originally Posted by JEFF View Post
Check the slide pins in the caliper mounts. It is very common for these to bind or get rusted onto the mount itself, two pins per side should slide free in and out. One of the two pins is probably binding and this is what makes the pedal feel soft, it will also cause uneven pad ware and most common on the front brakes. Be prepared to replace the mounts and slide pins if they are seized as it is not worth your time nor safe because you will need a bunch of heat from a torch to get the pins loose. You will need to know what type of brakes you have as the 01 GC could have two types of front brakes and the mounts are different.

good luck.

Nope, all calipers one year old, all slide well. Front's I converted to Akebono after the shitty Teves kept warping rotors.

I did ANOTHER Gravity Bleed while tapping the Calipers for about 15 minutes each (yes, really that long) and another 5 minutes of tapping on the MC after depressing pedal 1/4 of the way.

This made them 100% better, still not perfect, but way better, so somehow these bitches have air trapped thats not coming out more so than i have ever had before, this vehicle and others. Bastard Jeep.

Might try to find a new MC Cap and add a schrader valve to it and do a little pressure bleed while tapping to see if that gets whatever little bit is left out.
Sandals is offline   Reply With Quote
Old August 13th, 2014, 09:55 AM   #7
wave_crusher
I'll Direc your TV
 
wave_crusher's Avatar
 
Join Date: 01-20-09
Location: Big Rapids, MI
Posts: 5,081
iTrader: (21)
Mentioned: 1 Post(s)
Default

I replaced a front rubber line on my grandpas '02 WJ, it was buldging under pressure. That was after spending money on all new pads, rotos, and master cylinder
wave_crusher is offline   Reply With Quote
Old August 13th, 2014, 10:00 AM   #8
Sandals
Fucking Zen as Shit
 
Sandals's Avatar
 
Join Date: 11-05-05
Location: Lindenhurst, IL
Posts: 15,389
iTrader: (7)
Mentioned: 2 Post(s)
Default

Quote:
Originally Posted by wave_crusher View Post
I replaced a front rubber line on my grandpas '02 WJ, it was buldging under pressure. That was after spending money on all new pads, rotos, and master cylinder
LOL I forgot to add that, last week I replaced all 4 rubber lines at the wheels, the rear center rubber line, and the two hard lines that were so rusted i'm surprised they weren't leaking lol.

It's getting better, i just know it can be better lol
Sandals is offline   Reply With Quote
Reply
Great Lakes 4x4. The largest offroad forum in the Midwest > 4x4 Talk > Jeep Tech

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 05:25 AM.


Powered by: vBulletin, Copyright 2000 - 2012, Jelsoft Enterprises Ltd.
User Alert System provided by Advanced User Tagging (Lite) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd. Runs best on HiVelocity Hosting.
Page generated in 0.13259 seconds with 44 queries