Printable Version of Topic

Posted by: Nick Aug 25 2008, 02:22 PM

So back from Africa after two years and am enjoying driving the 3.0 conversion, but one thing is bugging me. The throttle is very stiff at tip in making it very hard to drive smoothly. Its a standard six throttle arrangement with bell crank at the tranny then a rod to a bell crank at the CIS throttle. Cable was new three years ago / 5000 miles. No part of the throttle linkage system seems probematic. disconect cable from throttle pedal and it moves freely. The cable looks fine and all the individual bell cranks move smoothly. Any ideas?

Nick

Posted by: PRS914-6 Aug 25 2008, 02:34 PM

Clutch and throttle cable crossed at pedal assembly? Common mistake....take a look

Posted by: Cap'n Krusty Aug 25 2008, 03:00 PM

Uhhhhhhhhhhhhhhhhhhh, the symptoms don't indicate that conclusion. The Cap'n

Posted by: racerx9146 Aug 25 2008, 03:20 PM

Uhhhhh some suggestion is better than none, its worth checking if he has checked everything else like he indicates

Posted by: jkeyzer Aug 25 2008, 03:35 PM

I put in a new OEM throttle cable a few months ago, and it was very stiff from day 1, but got worse with use. I squirted some tri-flow teflon lubricant spray down the cable and it was a thousand times better, still works great today.

Posted by: melnyk Aug 25 2008, 04:08 PM

my first thought LUBE LUBE LUBE. it moves fine when it has no resistance but once you have a load it rubs against the sheath and if its not lubed too good it will stick.

Posted by: jt914-6 Aug 25 2008, 04:35 PM

I would lube the cable and check to see that the acc. pedal moves freely........

Posted by: pete-stevers Aug 25 2008, 04:39 PM

my throttle is stiff too...could never figure it out
because each part induvidually is great.
i have just learned to live with it
but that is not a good solution is it
i am going to lengthen the lower throttle arm at the the tranny by a 10-15 mm

Posted by: Cap'n Krusty Aug 25 2008, 04:42 PM

I dispute the statement that "some suggestion is better than none", especially if the suggestion is less than helpful. Intertwined clutch and throttle cables cause the engine to speed up when the clutch is engaged, as if you'd fully depressed the accelerator pedal. There is really no other possible symptom. If I were to suggest he chase a wild goose, would that be better than remaining silent? The Cap'n

Posted by: orange914 Aug 25 2008, 05:18 PM

acually it was all checked BUT the throttle body. a big problem i noticed as a fleet mechanic years ago is the difference it makes after cleaning the throttle body. use spacifically marked throttle body cleaner, not carb cleaner as that can be too harsh. i bet you'll see a difference.

mike

Posted by: Nick Aug 26 2008, 08:12 AM

Thanks for all the suggestions. i'll check the throttle body this PM. Pulling the throttle cable will have to wait for the weekend. If lubing doesn't fix it and I decide to try an new cable a couple of questions. Terry Cable v Factory v patrick thoughts?