Things to watch out for on 89 Renix Cherokee - JeepForum.com
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post #1 of 9 Old 10-31-2018, 07:39 PM Thread Starter
cdwillis
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Things to watch out for on 89 Renix Cherokee

There's a guy near here selling a 1989 Cherokee with the 4.0 for $1000. It's got 171k on the odonomter and it looks like it's in decent shape from the pics. Looks like a decent 20 foot paint job on it, but doesn't look like a total rust bucket.

Is there anything I need to look out for with these Renix era Cherokees? I read that it's got the closed cooling system, but I'm trying to do a little homework before I check it out.

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post #2 of 9 Old 11-01-2018, 09:11 PM
tbburg
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I love those wheels.

The Renix era Cherokees are pretty reliable. The only major problem with them is nobody knows how to work on them any more.
They can develop a bunch of weird problems electrically that defy diagnostics. It usually turns out to be faulty ground wires.(battery to engine, battery to chassis, motor to chassis - all have to be good)

"Never attribute to malice that which can be adequately explained by stupidity, but don't rule out malice."
My other car is also a Jeep,.. and so is the other one,.. and that one too. How many do you own before it's "a herd" ?
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post #3 of 9 Old 11-01-2018, 11:45 PM
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Originally Posted by tbburg View Post
I love those wheels.

The Renix era Cherokees are pretty reliable. The only major problem with them is nobody knows how to work on them any more.
They can develop a bunch of weird problems electrically that defy diagnostics. It usually turns out to be faulty ground wires.(battery to engine, battery to chassis, motor to chassis - all have to be good)
Your best bet to keeping a Renix era XJ running (imho) is to do your own work. I had a high-idle-when-warm issue that had me tearing my hair for over a year. It forced me to research, learn, and ask for help when I got stumped. All good habits.

It runs great now, and I'm much more knowledgeable than I was. There are a few Renix Gurus around @Crusier54; is probably the best known, and has been a huge help to many, and to me personally.

If the rig is fairly rust-free, I wouldn't let the Renix system worry ya' too much.

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post #4 of 9 Old 11-02-2018, 03:46 AM
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I had an 89 with the Renix (Renault Bendix) system.

As noted above....ground issues. For me it was the door locks. They never seemed to have enough power to all unlock.

The biggest issue with the Renix is the special scanner it uses. It's NOT OBD I or II.

If it runs well, you should be fine.

At that price.....you could afford to get the FI and computer setup from a 94 or newer and convert it over.


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post #5 of 9 Old 11-02-2018, 06:51 AM
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http://cruiser54.com/ for essentials on how to maintain a Renix.
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post #6 of 9 Old 11-02-2018, 07:24 AM
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http://cruiser54.com/ for essentials on how to maintain a Renix.
Begin by completing Tips 1,3,4, and 5.
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If you own a Renix Jeep, you must check this out:


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post #7 of 9 Old 11-02-2018, 12:02 PM
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http://cruiser54.com/ for essentials on how to maintain a Renix.
Man.....where was that list when I had my 89?

A few of those I figured out on my own....

This was my baby......
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post #8 of 9 Old 11-02-2018, 03:12 PM Thread Starter
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Thanks for the tips, everyone. I'll definitely go over those steps on Cruiser's site if I end up getting it. The owner said it has an exhaust leak and needs the brakes bled, but it runs pretty good. I'm sure there's more stuff to be maintenanced on a nearly 30 year old Jeep though.
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post #9 of 9 Old 11-03-2018, 11:26 AM
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Originally Posted by cdwillis View Post
Thanks for the tips, everyone. I'll definitely go over those steps on Cruiser's site if I end up getting it. The owner said it has an exhaust leak and needs the brakes bled, but it runs pretty good. I'm sure there's more stuff to be maintenanced on a nearly 30 year old Jeep though.
Maintenance is key.

If you own a Renix Jeep, you must check this out:


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