Bendix 9 Anti-Lock Brakes on a 90. Cherokee ABS
#106
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Joined: Aug 2011
Posts: 10,489
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From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
Hey Chuck, just noticed I never answered. I suppose someday I'll need to do the swap, been without power assist since February. Not really a problem except for when I get in my other 90 and at first hit them so hard my tools go tumbling in back!
Sweet Rob....Don't tell me, you have a working pump laying there. Right now as we speak I'm making arrangements with a fellow in England who is shipping me his for the postage. Call me stubborn, call me stupid, but the gaderty of the thing, and the ABS itself amuses me. Mine all works except the pump motor it's self crapped out, maybe just brushes!
Sweet Rob....Don't tell me, you have a working pump laying there. Right now as we speak I'm making arrangements with a fellow in England who is shipping me his for the postage. Call me stubborn, call me stupid, but the gaderty of the thing, and the ABS itself amuses me. Mine all works except the pump motor it's self crapped out, maybe just brushes!
#107
Man, no sorry - sent all the innards of that alien system to the furnace. I doubt the pump was any good, though since it was 10-seconds of mad thumping every time I turned the ignition on. Good luck
#108
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Joined: Nov 2014
Posts: 603
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From: Hacienda Heights
Year: 1990
Model: Cherokee
Engine: 4.0
#109
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Joined: Aug 2011
Posts: 10,489
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From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
I didn't even think to ask you 90. He shipped and just sent me a tracking #, without (yet) even asking for shipping $. Yea, I caught it after the fact, clicking the "completed listings" box in Ebay, (neat feature that), that a pump assembly just had sold for $49. Pete just S-Cans them. Makes sense if it's the pump that is bad I suppose.
#110
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Joined: Jun 2016
Posts: 11
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From: Manchester, England
Year: 1990
Model: Cherokee
Engine: 4.0
While I am new to CherokeeForum, I have been around US based owners forums for many years and traded back and forth with trust on both sides and I have no doubt this will be the same.
The parts have no value to me or other Limeys (there appears to be only a handful of pre 90 XJ's [and only 3 XJ Wagoneers AFAIK] here and number with Bendix 9 is unknown).
regards
Gareth
#111
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Joined: Nov 2014
Posts: 603
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From: Hacienda Heights
Year: 1990
Model: Cherokee
Engine: 4.0
I don't get called fellow very often, very British
It may seem very foolish to ship parts 5000 miles to someone I don't know without payment up front.
While I am new to CherokeeForum, I have been around US based owners forums for many years and traded back and forth with trust on both sides and I have no doubt this will be the same.
regards
Gareth
It may seem very foolish to ship parts 5000 miles to someone I don't know without payment up front.
While I am new to CherokeeForum, I have been around US based owners forums for many years and traded back and forth with trust on both sides and I have no doubt this will be the same.
regards
Gareth
#112
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Joined: Aug 2011
Posts: 10,489
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From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
My old semi .22 butt loader Mosssburg is missing some stuff. Might be up for trade.
#113
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Joined: Jun 2016
Posts: 11
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From: Manchester, England
Year: 1990
Model: Cherokee
Engine: 4.0
Fella' however is quite common in central England
In fairness, it depends on where about in the UK you are. We are in the North of England where the typical greeting is Mate.
Move a little bit South and duck is the word, though love is equally acceptable, bizarrely this is a male to male greeting. Male to female greeting of love is frowned upon in these PC days, unless you are from Stoke (Staffordshire)
In London you may find geezer or darling [darlin']
Most of my immediate family are in Wales, where byti could be used.
Scotland has many different greetings, but mate, pal and even jimmy' can be found
We are a pretty diverse and occasionally strange breed, aren't you glad you asked?
#114
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Joined: Nov 2014
Posts: 603
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From: Hacienda Heights
Year: 1990
Model: Cherokee
Engine: 4.0
The most challenging (and sorta fun despite the cursing) repair so far was an old Russian SKS a friend of mine found in the mountains after a fire had rolled through. It went through the fire and the water & other stuff they use, then sat for several years. It got so hot that all the springs went soft and the barrel bent, of course the stock just became part of the fire. On the upside, I'm pretty sure it's now free of all cosmoline. It took several hours to beat it apart, then more hours of cleaning, repairing, etc. Now a flawless shooter....well, it's still ugly as hell cuz I'm not much into cosmetics, but it runs great. Someday I may break it down and pretty it up, project #457 on the list.
#115
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Joined: Aug 2011
Posts: 10,489
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From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
Looks solved! We shall see though. Short version with hindsight. The first problem, (with the ABS itself), was the pressure switch on the pump not always activating it, then it quit altogether. That's when I hokeyed/McGuivered it to run with the pressure switch on the accumulator with an added relay. That worked a good while, then it quit. Diagnosed that my motor went bad, didn't run with power. Got stuff shipped from Notwen, but found that, that motor was toast. (Gareth had offered to check things, but I said no, just ship it).
Months later I finally check the brushes and innards of my motor. I find that IT HAS A "GD" in it! (a "God Darnit), otherwise known as the planned obsolescence. The GD was responsible for an open between the power wire in, and the brush! OK maybe it was intended to be a (385* thermal), fuse, but one that doesn't help much judging from Gareth's cooked motor. I've found God Dammit's in other motors as well, once in a bread machine.
Btw, amazingly little brush wear on mine. Gareth's brushes are about gone, also the bushing at the commutator end of the armature was bone dry and hard to turn when I got it. Might explain the original problem with that one.
I soldered in copper where the GD was, swapped in the pressure switch Gareth sent me, and Bingo! She's up and working great! The power brakes with anti-lock are a nice change after most of a year without!
Months later I finally check the brushes and innards of my motor. I find that IT HAS A "GD" in it! (a "God Darnit), otherwise known as the planned obsolescence. The GD was responsible for an open between the power wire in, and the brush! OK maybe it was intended to be a (385* thermal), fuse, but one that doesn't help much judging from Gareth's cooked motor. I've found God Dammit's in other motors as well, once in a bread machine.
Btw, amazingly little brush wear on mine. Gareth's brushes are about gone, also the bushing at the commutator end of the armature was bone dry and hard to turn when I got it. Might explain the original problem with that one.
I soldered in copper where the GD was, swapped in the pressure switch Gareth sent me, and Bingo! She's up and working great! The power brakes with anti-lock are a nice change after most of a year without!
Last edited by DFlintstone; 11-19-2016 at 01:05 AM.
#116
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Joined: Aug 2011
Posts: 10,489
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From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
Well, had a decent run there for a Bendix 9. Almost exactly 2 years now since I bypassed that thermal fuse, and the pump keeps running, lights are on. It still works though. I DID let the fluid get pretty low. I havn't done squat besides adding fluid and driving 15 miles. Maybe it just needs bled, but the petal feels fine, all four are breaking.
#117
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Joined: Aug 2011
Posts: 10,489
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From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
I finally found a nice link from Freedgr... > https://www.aa1car.com/library/abs_bendix9.htm < back at post #19? .....bedtime.
#118
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Joined: Aug 2011
Posts: 10,489
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From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
Havn't done anything yet. I did notice no power brake right after I start roiling in the AM making me think low pressure/worn pump might be the reason it keeps running. The once I checked the motor wasn't getting hot. I do have another pump here with a fried motor, I might swap that in, OR take it apart and have a lookie at what wears out on those.
#119
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Joined: Aug 2011
Posts: 10,489
Likes: 19
From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
More Bendix 9
Just a quick note here for Bendix 9 followers. Waz about new year 19 when some switch went out and the motor started running full time. (reminder; this is my thread started in 15) Have had a heap on my plate, even if I had the $, there is no one to work on it, and it had been working. Running full time the motor quit recently. FINDING THE BRUSHES GONE, and the breaded leads to both brushes had "folded" up to contact the armature, had a problem. I then got really lucky and found an old guy with a shop with a pair of copper F10 brushes that fit perfect with no modification. Wire size, and lengths fit INCLUDING the curvature cut for the commutator on the armature. IT WORKED!, I'm thrilled with myself and in heaven, so nice to be back on power with ABS!. Sadly for less than 40 minutes though before I smelled smoke and it tanked. Lots or ludicrous micguivering and parts from England, motor work you wouldn't do unless you.......So praise the lord and pass the peanuts, jumping directly to my re-ferbed motor it runs! One pin type contact on the four wire plug right from the motor was melted/fried. Bad connection got hot? Checking amperage draw from the jumped motor, stayed at 2 amps for a bit, (thought maybe that's it), but after a bit it climbed as pressure rose. Got nervous there a minute but then it topped of just over five amps as it bogged down some getting to pressure. Myself, not thinking 5 amps is excessive. No sign from what I can see easy of overheated wires. ????? After more checking around NOW THE POWER FROM THE HARNESS is GONE.........Now as of 3:30 PM , 12/21/20 I'm looking for more fuses then the one ABS fuse I found in the box, looking (without much luck), for a diagram to help trace the wires and maybe find other fuses. So I have lots more of the story and some neat photos on my phone which I am still wrestling with how to transfer.
So I'm still at it. I will get it working but the running full time is probably a switch which is listed as one part on the non-available pump. I just read but forgot, 1,800 to 2,400 LBS? Mostly academic since I can't test it or buy one.
I will be following up sometime with photos and where I ended up.
So I'm still at it. I will get it working but the running full time is probably a switch which is listed as one part on the non-available pump. I just read but forgot, 1,800 to 2,400 LBS? Mostly academic since I can't test it or buy one.
I will be following up sometime with photos and where I ended up.
Last edited by DFlintstone; 12-21-2020 at 06:46 PM.
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