Factory Five Racing Forum banner

Explain Stock Clutch Quadrant to me

2 reading
1.2K views 9 replies 7 participants last post by  REUBY  
#1 ·
Can anyone explain the stock Mustang clutch pedal Quadrant to me? Seems like an overly complicated way to pull the cable. Why is there the "extra ratchet dog" thingy? What is it for? I have been having issues with the clutch for a month now. I replaced the quadrant and Dog with OEM parts from the Ford Dealership. It worked for about 8-9 miles then slipped out like the old one did. I replaced the clutch fork and bearing and tried again- still slipping past.
The transmission has been pulled and put back in with much fuss and turmoil I don't even want to talk about. Now it is all back together and still won't work.
First thread on this is here: http://www.ffcars.com/ubb/ultimatebb.php/ubb/get_topic/f/1/t/076288/p/
I am planning on ordering one of the after market type ones. They all seem to eliminate the "dog" part of the set up.
For those with one of these is that true?
Any input would be appreciated.
I have already missed two of the events I really wanted to attend this summer and the third is a week away.
Very disappointed in my first summer with the car.

Thanks
Jim
Image
 
#3 ·
I did not, What I did was lift up on the dog part and rotated the quadrant around to take up all the slack then let the dog fall back. Now I am afraid I have ground the teeth of the new parts.
Thanks
Jim
 
#4 ·
Here's what I recommend,
Remove the clutch quadrant and check to see if the teeth are damaged.
If the teeth are not damaged,
install the quadrant with the teeth meshed with the dog part.
Then pull up on the clutch pedal and see if that is any better.
Note there should be a spring on the quadrant and one for the dog part.
HTH
 
#5 ·
The OEM clutch quadrant is designed to permit you to adjust the play in the clutch cable (and stretching over time) by simply putting the top of your foot UNDER the clutch pedal and pulling back (towards the seat). This activates a cam that moves the dog away from the teeth on the quadrant, letting the springs of the quadrant take up any slack. It is actually quite an ingenious little invention. Mustang owners would normally do this every 6 months or so. Takes two seconds and your clutch is adjusted.

However, as the parts are plastic, they tend to break in HD clutch applications. The aftermarket quadrant gets rid of this "automatic" style adjustment. Instead, you make adjustments to the cable at the firewall, just by turning a big knob that the cable will now go through. The hardest part of changing out to an aftermarket quadrant is getting the dog off the assembly -- it too is spring loaded and you need some way of prying that mo' fo' off. I did it and it was not easy.

Before you go tearing everything down, I would suggest going out to the car and trying to do what the assembly was intended to do. Just pull back on the clutch pedal, the dog should deactivate and the springs will do their work. If you've damaged the teeth, then you are up the creek. But it costs you nothing to try. As I said, it's a BITCH to change over on a completed car.
 
#6 ·
We tie strings too them hang them from the tree and shoot at them. Really they are the weak link in hp clutches. Several different good ones available in aluminum and you'll need a firewall type adjuster or adjustable cable. Been there broke that, Bob
 
#7 ·
Like said it is made so clutch can be adjusted. No other way to adjust stock clutch when useing stock cable. Any upgrades to clutch components over stress's the plastic parts and should go alum.
I like Bob's idea,bet it's more fun then shooting at tin cans. ;)
 
#8 ·
Simple explanation: the OEM part is garbage.
Simple solution: buy an aftermarket quadrant with the fire wall adjuster.

If your car is built, replacing the quadrant is tough! I actually had to melt the OEM part out
Image


I was in your boat with nonstop clutch adjustments. Once I replaced the parts, I have had zero issues.
 
#9 ·
#10 ·
From my expierences,the way I figure it is, if you use anything other than a stock clutch,the OEM quadrant(auto cable adj) will not hold up. It just can't handle the additional sping pressure of performance clutches.


Ray