Question about 1989 Jeep Cherokee

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Jeep Cherokee ABS light is on and now no brakes

I have a 1989 Jeep Cherokee Larado that the ABS light is now coming on and I have no brakes unless I step with all my strength and pray. I took it into the shop and they said I need a new ABS and it would cost around 1,600. Could there be another problem that could be a cheaper fix? I do not completely trust mechanics in this town. I was given a master cyclinder for it could this be the replacement I need????

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  • pauly7 Feb 21, 2009

    I took my Jeep in to have the rear differential fixed and since I have been having brake problems.  Specifically, ecery time I brake the ABS goes on and its frustrating.  Does anyone know what I should look for when I take it to the mechanics, I meand I doubt that its the whole ABS system, it may be the booster.  Any help or ideas are appreciated.

  • dreal824 Mar 07, 2009

    brake and abs light comes on brake pedal vibrates and is very hard to stop took it to the mechanic they put abs motor pump ,abs module and something else but don't remember what car worked good for 3 months now i got the same problem back again

  • timtron May 05, 2009

    I have a similar problem with my 90. I believe that you may have the brake system, that is not a vacuum assist system, your vehicle uses the abs pump as power assist. there is a recall on the pump, mine had already had the recall repair, and it still has issues. My prob is intermittent, and I found that is I adjust my power mirrors or put a similar electrical load (rolling up windows) when the are up already, the pump kicks into action. Im hoping to find someone that this workaround works for, so that I know its a jeep problem, and not a problem with a previous mechanic. lemme know

  • Anonymous Mar 16, 2014

    abs light is on how to I fix that

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Hi laustiin,
When the ABS system fails the brakes revert to standard brakes. The ABS module will not repair this for you.
The master cylinder is not likely to change anything either.
I am assuming that the pedal is full since you didn't say otherwise.
Your problem is most likely the brake booster. pump the brakes several times with the engine off to relieve any built up vacuum. While pressing down on the brake pedal start the engine. If the booster is working properly the pedal will move slightly down then press back against your foot. If it doesn't do this replace the booster.
If this doesn't help reply with more information and I will try to help you out.
Good Luck

Posted on Nov 25, 2008

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The Bendix 9 ABS pump for the 1989 Cherokee was an early try for jeep. It is worthless. Even replacing it will not work in the long run. The pump is a high pressure system. The brakes quit working when the pump goes out. you can spend 700 or 800 dollars at a reputable shop or over a thousand dollars at the dealership. It is under warranty because it sucks. But they will come up with any excuse for it not to be covered. I suggest bypassing the abs and turning it into standard brakes. The only problem is finding a mechanic to do it, most won't. If anyone knows how to convert an 89 cherokee to standard brakes I would be very grateful.

Posted on Jan 17, 2010

  • drmadcat Feb 23, 2011

    i have the same problem all i did to fix this was remove the fuse for the abs

  • maddmaverick Aug 19, 2011

    I have a 91 cherokee limited. It had non working abs. I had to press the pedal very hard to get it to work. I went to the wrecking yard and bought a master cylinder and vacuum booster from a 93 cherokee for 80 dollars. Then I went to work. I removed the whole abs system, the master cylinder was a direct bolt in swap. I opened the plugs on the preportioning valve and bent and flared the lines and connected them per haynes manual for non abs jeep. Then connected the vacuum line to the existing port on the intake manifold. Attatched the rod to the brake pedal. And bled the whole system. Tada! Excelent brakes with no silly electronic parts to fail

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Hey, Try unplugging the connector right beside the fluid container. We did this to our 1998 jeep cherokee and the brakes are now a whole lot better.

Posted on Feb 01, 2009

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