Bzzzzzzzzzzzzzzzzzzzzzzzzt

 

Had the brakes go out on my XJ. It was by the grace of God I was not driving in rush hour DC area traffic or going 60 down route 17... which is where I was headed to test the new belt for noise/snap. On a whim, I checked the mail first, and that is where it happened on a small country road 100 yards from my house.

Confirmed it to be the passenger side rear wheel area. Havent had a chance to pull the wheel. Did a disc brake conversion. I suspect from the distinct balloon pop noise that the rubber hose from the donor ZJ gave way. What do yall think?

Also, it did when I pushed the brake pedal to the floor. I have not swapped the proportioning valve yet. Could that have a hand in this?

Thanks yall.

 

most probable that its the line.

 

What is this?

 

Looks like a good ol doodelwhatsit

 

Looks like the v6 that a few unlucky xj's were burdened with. But it's hard to say, it looks like there's a bunch of other crap thrown on it and I'm on my phone

Edit: im gonna guess 4 banger, final answer

 

GM 2.8L V6

 

I think so. It'd be easy to lean in and see how many heads it has, but the 2.5L was only carb'ed '84-85, and those are very rare (especially a base model). The 2.8L V6 was the premier (and more common) motor '84-86, and the grille indicates it's an '84-87

 

Its at rays. Anything worth pulling off it?

 

Body parts lol

Axles might be interesting if you don't mind the weakness. I think they came with 3.73:1 but don't quote me on that.

 

The motor? No. Axles, maybe. Everything else is the same unless it has the tweed interior

 

dunno what that is but the interior was maroon

 

Ok new here! I have spent the past several DAYS attempting to find my gremlin. Here we go, Jeep starts decent. Then the whistle starts, ear brake pedal. There seems to be a rubber gasket that has something under it that is moveable. So we start driving, temp doesn't matter. the hissing continues until we hit the brake. one of 2 things occur. first the idle drops drastically or we just stall out. Nothing like highway speeds to a stalled vehicle. headed down now to get a power brake booster check valve and new upper rad. hose. before I go, please say this is something that sounds like it may help.

 

Was wondering if i could put my 91 4.0 motor from my cherokee, into a 99 cherokee

 

XJ Cherokee and ZJ Grand Cherokee 4.0L engine blocks interchange.

2000+ TJ Wrangler and WJ Grand Cherokee 4.0L engine blocks interchange.

XJ/ZJ blocks and 2000+ TJ/WJ blocks do not interchange without significant modifications. (1991 to 1995 YJ and 1997-1999 4.0L TJ Wrangler blocks will interchange in XJ/ZJ and visa-versa).

TJ/WJ 4.0L Engine blocks underwent clean sheet design changes effective in the 1999 WJ Grand and 2000 TJ Wrangler. These blocks are not interchangeable with XJ/ZJ engine blocks. The reason is motor mount bolt holes and belt driven accessory mounting bolt holes are in different locations, or not present at all, TJ/WJ vs. XJ/ZJ.


XJ: "Regular" (not Grand) Cherokees 84-01
ZJ: Grand Cherokee 93-98 (Gen1)
WJ: Grand Cherokee 99-04 (Gen2)
YJ: Wrangler 87-95 (Gen1)
TJ: Wrangler 97-06 (Gen2)