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Mbryson Daily’s driver project ‘91 MJ Comanche

mbryson

mbryson

.......a few dollars more
Supporting Member
Location
Bountiful, land of rocks
Waiting for a rear driveline. Tcase has fluid, d44 has fluid, AX15 has fluid. Brakes are WAY meh, but @ebryson can cover that when he swaps in the front axle and drop brackets at school. G8 needs garage today.

image.jpg
 
mbryson

mbryson

.......a few dollars more
Supporting Member
Location
Bountiful, land of rocks
Got a couple hours in on this yesterday. Got the “roll bar” secured in the bed. Still having a little issues with the clutch not quite releasing fully. Hard to shift and grabs right off the floor. I’m far from a hydraulic clutch expert. EE4FD667-1419-4E15-96D9-412C434C4696.jpeg

If this rod was adjustable, I could just make it a little longer and probably be right where I need to be? Plastic end goes against the clutch fork and the ball end (there’s a LOT of jokes here) into the slave cylinder.

All clutch is new, clutch, pressure plate, throw out bearing, clutch master/line/slave. I’ve kicked around bending the clutch fork out a wee bit and seeing what that gets me. How hard would it be to get a longer plastic end thingy for the current push rod? Should I just cut weld (keeping that rod straight would be a little challenging) the current rod? I bet 1/4” would make all kinds of difference.

I’m fairly confident there is no air in the master/line/slave. Assembly was pre bled and I’ve gotten no air bubbles out of system yet.
 
I Lean

I Lean

Mbryson's hairdresser
Vendor
Location
Utah
Is that rod a size you could run a die down and thread it? Then add a coupling nut and a couple jam nuts, and you're in business...or maybe just thread one side, weld the coupling nut to the other side. Something like that...
 
Hickey

Hickey

Burn-barrel enthusiast
Supporting Member
Location
Grantsville, Utah
I've had a similar experience to your clutch problems once before. It ended up being mismatched components. The pressure plate I was using was designed for use with an internal slave cylinder, but I was using an external style slave setup. We tried adjusting the length of the rod, but that didn't solve the problem. We simply weren't getting enough travel out of the slave cylinder to actuate the pressure plate correctly.

A custom pressure plate was ordered, and solved the problem.

Maybe this will give you some ideas?
 
DAA

DAA

Well-Known Member
Location
West Bountiful, UT
Was going to say kind of the same thing. Component mismatch or simply incorrect or incorrectly spec'd parts seems like a pretty plausible explanation. I bought a new pressure plate when doing the clutch on my LJ and it was different enough from the factory that I decided not to take a chance and did not use it. Original was in pretty good shape anyway. Whole clutch was, except for TO bearing was chunked up.

- DAA
 
thenag

thenag

Registered User
Location
Kearns
On my bronco I thought I had a push rod length issue, I had a friend machine a longer pushrod and it didn't help I never figured out why the longer pushrod didn't do anything. I don't recall what the issue ended up being, I had tons of issues with that setup over the years. (I had a firewall tear, a bellhousing break, I think I even had a clutch fork bend, I remember re-enforcing all three...) So check your bell housing, firewall and fork too.

On our XJ my wife had it before we met, her father replaced the clutch and had a similar issue that you have. I think it was even with a LUK clutch. He told me this story after I had installed a new LUK clutch when putting the stroker in, my LUK has worked fine.

Nathan
 
gertsch

gertsch

Well-Known Member
Location
West Bountiful
What clutch kit are you running? I had issues with over the counter clutch kits. When I went to a centerforce my shifting issues went away and the clutch was easier to push. Almost like it wasn't working it was so easy to push.
 
mbryson

mbryson

.......a few dollars more
Supporting Member
Location
Bountiful, land of rocks
So, @ebryson was going to work on it at the school shop. No problem, right? I decided to just drive it to the school this morning instead of putting it on the trailer and such. Forgot I didn't have front shocks. :D Kind of an experience getting it there. It was low on gas so I planned my route carefully thinking there was a gas station along the way. As I pulled up to that, I saw the cute little yellow bags on the pump so I headed towards another gas station 4-5 blocks away. Got gas and headed to the high school. It was kind of weird to drive it instead of just work on it.

Anyway, made it to WX high school without incident. We'll see what damage @ebryson can do while he still has shop time to work on it. @DaveB, are you available tomorrow evening? I'd like to swing by and see what sticks. Have a few bucks this time
 
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