New clutch and master cylinder - JeepForum.com
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post #1 of 6 Old 07-12-2019, 01:55 PM Thread Starter
stephencbrinson
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1992 YJ Wrangler 
 
Join Date: Jul 2018
Location: Hollywood
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New clutch and master cylinder

I just finished replacing the transmission (ax5 because I lost 1st and 3rd) with a used that was rebuilt 2 years ago.

When I did the swap, I installed a new flywheel, pressure plate, clutch, throw out bearing, and master cylinder.

Now the clutch will not engage. I can put it in gear but nothing when the clutch is out. I am reasonably sure I have it bleed completely. I got the master cylinder from ORiely.

What could cause this?

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1992 YJ, 2.5L, AX5, D30, D35, 2.5 RE lift
Daniel 3:18
Ephesians 2:1-12
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post #2 of 6 Old 07-13-2019, 02:36 PM Thread Starter
stephencbrinson
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Location: Hollywood
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An update on this.
I have replaced the master cylinder with a new PowerTorque brand from O'Riely's and then an LUK from NAPA. Still no clutch.

I opened the bleeder, filled the master cylinder, pumped the clutch 2x and fluid began to run through the system. I continued to refill the master cylinder until no air came through. I closed the bleeder. Clutch to the floor, cracked the bleeder, closed the bleeder. Clutch up, then to the floor, cracked the bleeder. Repeated 10x or so making sure the master cylinder stayed full.
Started the jeep, clutch in, trans to 1st, clutch out and nothing. Just like it is in neutral.

What should I check next?

1992 YJ, 2.5L, AX5, D30, D35, 2.5 RE lift
Daniel 3:18
Ephesians 2:1-12
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post #3 of 6 Old 07-13-2019, 02:54 PM
timatoe
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Location: Grass Valley
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Internal slave or external? Also when you say there's nothing, does that mean if you start it in gear with the clutch pressed in it tries to take off?

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Originally Posted by George Orwell
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post #4 of 6 Old 07-13-2019, 03:05 PM Thread Starter
stephencbrinson
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Quote:
Originally Posted by timatoe View Post
Internal slave or external? Also when you say there's nothing, does that mean if you start it in gear with the clutch pressed in it tries to take off?
Internal slave.
By nothing I mean that it is like the clutch is depressed all the time. I can start in gear with the clutch out with no issue. I can shift gears with the clutch out.

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1992 YJ, 2.5L, AX5, D30, D35, 2.5 RE lift
Daniel 3:18
Ephesians 2:1-12
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post #5 of 6 Old 07-13-2019, 05:40 PM Thread Starter
stephencbrinson
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I figured it out.

The transfer case was in neutral.

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1992 YJ, 2.5L, AX5, D30, D35, 2.5 RE lift
Daniel 3:18
Ephesians 2:1-12
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post #6 of 6 Old 07-14-2019, 08:30 AM
timatoe
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Quote:
Originally Posted by stephencbrinson View Post
I figured it out.

The transfer case was in neutral.

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That was my next question. FYI, if the clutch isn't working it will be "in gear" essentially all the time (assuming it's actually in gear).

Glad it wasn't anything major. Nice to have a problem like that every so often.

Quote:
Originally Posted by George Orwell
We sleep safe in our beds because rough men stand ready in the night to visit violence on those who would do us harm.
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