Which Brake Booster and Master Cylinder
Junior Member
Joined: Nov 2010
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From: Indio Desert, CA
Year: 1989
Model: Cherokee
Engine: 4.0L
CF Veteran
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From: Warsaw, IN
Year: 2000,1990,1999
Model: Cherokee
Engine: 4.0
Junior Member
Joined: Nov 2010
Posts: 69
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From: Indio Desert, CA
Year: 1989
Model: Cherokee
Engine: 4.0L
Wow really?! I didn't see one...people say its real expensive so that is why it is usually not included, I found a used one for 50 bucks from a salvage yard, hopefully it will be there after work today.
All the other years seem to come with a reservoir, is there anyway I can use the 99 wj booster with another year master cylinder??
CF Veteran
Joined: Sep 2010
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From: Warsaw, IN
Year: 2000,1990,1999
Model: Cherokee
Engine: 4.0
Originally Posted by MISS4X4
Wow really?! I didn't see one...people say its real expensive so that is why it is usually not included, I found a used one for 50 bucks from a salvage yard, hopefully it will be there after work today.
All the other years seem to come with a reservoir, is there anyway I can use the 99 wj booster with another year master cylinder??
I'm not sure about your question. I got mine for 12 cents and like 10 to ship or something haha.
Junior Member
Joined: Nov 2010
Posts: 69
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From: Indio Desert, CA
Year: 1989
Model: Cherokee
Engine: 4.0L
Seasoned Member
Joined: Nov 2011
Posts: 291
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From: Snohomish County, WA
Year: 1989
Model: Cherokee
Engine: 4.0L
Is it a direct swap?
what are the differences?
How about the push-rod (from the pedal to booster / master cylinder assembly)?
Anything else
I need to know?
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,578
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
WJ versus 95 to 96 XJ booster
Actually, the WJ booster is in some ways easier than the 95 to 96 XJ.
I've done both.
XJ, you don't have to mess with the firewall. No big deal anyway.
But, you have to move the washer reservoir. And, once the original booster comes out, the bracket inside the cab moves and makes it a bear to install the new booster.
WJ you have to bend or cut the firewall lip, but don't move the washer bottle.
As an added bonus, the mounting studs of the WJ booster are a bit smaller and it's easier to get in.
Another bonus with the WJ is that it has FLEXIBLE lines from the master cylinder that make putting things together MUCH easier.
And, WJ boosters are newer and easier to find…..
Actually, the WJ booster is in some ways easier than the 95 to 96 XJ.
I've done both.
XJ, you don't have to mess with the firewall. No big deal anyway.
But, you have to move the washer reservoir. And, once the original booster comes out, the bracket inside the cab moves and makes it a bear to install the new booster.
WJ you have to bend or cut the firewall lip, but don't move the washer bottle.
As an added bonus, the mounting studs of the WJ booster are a bit smaller and it's easier to get in.
Another bonus with the WJ is that it has FLEXIBLE lines from the master cylinder that make putting things together MUCH easier.
And, WJ boosters are newer and easier to find…..
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