Accelerator Cable


4X4 ICON 2000 - 2008 The DVD! - Click here for details!

4X4 ICON 2000 - 2008 The DVD!


It had been a while since anything failed on the Jeep.   But I had started having problems with the engine returning to the normal idle speed of about 750 rpm.  When I put the clutch in, the engine would continue to run at higher RPMs and required that I blip the throttle to get it to return to the correct setting.

I did some quick checks and squirted some graphite lubricant into the cable casing at the gas pedal.  It seemed to cure the problem and I was about to forget all about it when it came right back the next day.

I fiddled with the throttle body linkage but could not detect a problem at that end.  So I decided perhaps the cable was getting frayed or rusty and required replacement.  Rather than tempt fate I acquired a replacement before taking it apart.

Accelerator Cable - Click to Enlarge

Disassembly was not hard.  The only thing I ran into trouble with was the cable retainer snapped onto the pedal bracket assembly slot.  I had to pry it off with channel locks and ruined it in the process.  I wasn't too worried about it though when I got the rest of it apart I found that the cable was not frayed and seemed to move freely in the casing...  That was good news for the cable except that I ruined it by breaking the retainer.  Doh!  But when I put a bend in the cable like it is curved when installed, there was noticeable drag on the cable, even if not enough to cause the throttle to stick.

So I succeeded in replacing the cable before it was necessary.  And whatever the problem was, it was still there.  With the cable disconnected from the throttle body, I ran the throttle back and forth several times and felt a roughness and drag.  It seemed like the spindle was in need of some lubrication.  So I hit it with a good stream of light oil with graphite in it.   The notion is that the light oil will drain off but the graphite will stay put on the spindle and provide longer lasting lubrication.  But this usually means that the shaft is worn and will start to leak air and affect performance.  Or at least that's what happened on my SU carburetors.  Anyway, the throttle now operates smoothly and does not bind.  The combination of the slight drag on the cable and the drag on the shaft was just enough to hang things up.  Another example of why keeping your machine clean helps prevent mechanical failure.  (Obviously, I did not observe this rule here...)


Accelerator Cable

4854 137

liquid graphite lubricant






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