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Wj brake booster good or bad?


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Um, you can fabricate it to work, plenty of how to videos out there. In thread somewhere here I have pictures of the various boosters for the dual diaphragm upgrade.
The 95 -96 XJ And 95-98 ZJ boosters are very similar and make for a good swap. The pre-95 ZJ booster will not work.

I’m not sure which year MJ you are working with, but the plunger can be modified to work with the pre-91 jeeps pretty easily.
Only other thing is the WJ boost might need some extra room the around the firewall, maybe a slight trim of a metal lip if I remember right.

Oh if that WJ has the flexible brake lines those are a good get.


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Yeah. Chances are it'll start really leaking a little while down the line. 95 and 96 were some of the highest production years of Cherokees, so hardly a rare part. It's well worth your time to find one that won't drip brake fluid on your shoes. You won't have to mess with the firewall with a 95 or 96 Cherokee booster either.

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17 hours ago, Green Mesa XJ said:

Um, you can fabricate it to work, plenty of how to videos out there. In thread somewhere here I have pictures of the various boosters for the dual diaphragm upgrade.
The 95 -96 XJ And 95-98 ZJ boosters are very similar and make for a good swap. The pre-95 ZJ booster will not work.

I’m not sure which year MJ you are working with, but the plunger can be modified to work with the pre-91 jeeps pretty easily.
Only other thing is the WJ boost might need some extra room the around the firewall, maybe a slight trim of a metal lip if I remember right.

Oh if that WJ has the flexible brake lines those are a good get.


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 Will a 97+ XJ booster be a sufficient swap? That's what my donor is, but I'm sure I can find a 95-96 if absolutely necessary. 

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6 minutes ago, MJFeller75 said:

 Will a 97+ XJ booster be a sufficient swap? That's what my donor is, but I'm sure I can find a 95-96 if absolutely necessary. 

 

4 minutes ago, Green Mesa XJ said:

No 97 XJ is too different to work. WJ booster would work better than 97 XJ.
But like I said 95-96 XJ and 95-98 ZJ are probably the best fit.

I’ll see if I can find the post with a picture of the different boosters


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 Thanks bud! If you can find it, do shoot it over to me. I think I should be able to get either of those years pretty easy anyways. 

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here is the link for the thread with the booster pictures, it was another WJ booster thread, lost of good advice there (Eagle, Cruiser, H0rnbrod, Rockfrog)

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My pictures are at end bottom of the thread, I only looked a the 95 ZJ boosted because Rockfrog said it swapped in no problem. So I got one to compare to the 96 XJ booster, then ended up comparing all of them.

 

 

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