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Jeep BA10-5 transmission clutch replacement

I replaced the clutch, throwout bearing/slave cylinder, and master cylinder in my '87 Wrangler, and now it won't go into gear. I was sure to bleed the system properly (several times, using several methods), and I have good pedal pressure, but still no release.
Is it possible that the retaining ******** the throwout bearing didn't break? The new master cylinder isn't the same brand as the old one (the old one is a Girling, this new one is from CarQuest), but all dimensions and capacities appear to be the same. I don't know what to do, and Jeepin' season is almost over! Please help!

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Posted on Jan 02, 2017

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SOURCE: Wrangler 2000 clutch

the slave cylinder needs to be level. get a small bubble level and jack up the front or rear appropriately till its level.

Posted on Aug 21, 2008

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SOURCE: 1994 Jeep Wrangler 4cyl - Bleeding slave cylinder

This is not a bleeder hole, this is a weep hole like in a water pump to see when there is seepage past the seals.

Bench bleed the system. With the master cyl. line and slave cyl assembled, place the master cylinder in a vise, fill the master cyllinder. actuate the slave cylinder back and forth lower than the master cyl. This will allow the air to escape upwards back into and out of the master cyl.
Once bled the system can be installed.

Good Luck

Posted on Oct 02, 2008

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SOURCE: 1990 wrangler all new slave cylinder, pressure

If you have had the flywheel cut, have a clutch with a different release height (different finger or diaphram design & height) or a remanufactured pressure plate, or all of the above, you may run into this problem.
Small differences there translate to a large difference at the pedal. On linkage type designs, there were several options including longer/shorter throwout bearing or adjustable fork pivot ball. Hydraulic systems should compensate somewhat, but if you are beyond the travel of the slave cyl, I'm not sure there is anything you can do from the outside. I would check that there are no air leaks. If you have an external slave cylinder you may be able to make a slightly longer rod that connects the slave to the clutch fork. I really can't think of anything else to do at this point.
Hope this helps a bit.

Posted on Apr 19, 2009

  • 61 Answers

SOURCE: replaced master and slave cylinders for clutch and

Some companies stopped putting the bleeder screws into the slave cylinders. The boss is still there and is threaded but there is no hole in the bottom. You can put a hole in if you wish but they did away with that type because people were having problems bleeding the system. To bleed this style of slave cylinder: 1.Remove the plug from the end of the cylinder where the line goes in. 2. Remove the straps holding the cylinder in. 3. Hold at a 45 degree angle. 3. Pour fluid into the cylinder with the cylinder extended. 4.Slighltly work the cylinder in and out to work any exess air out. Still holding at a 45 angle. 5.Make sure master cylinder has fluid in it. 6. Insert rubber seal and line into slave cylinder while still holding at a 45. 7. Insert roll pin into slave just over half way. This way if you have to remove it you can still get it back out. It probably will not come out if you put it in all the way because they were designed not to come out. You can snip off the straps that hold the piston back. 8. Push the piston back into the slave. This will force any air out that is in the cylinder. 9. Bold slave back on. 10. Pump clutch until it feels right. Make sure there is enough fluid in the resevoir otherwise you will force air into the line. If it dont feel right repeat this process. When all feels right in the petal finish putting the roll pin into the slave cylinder. Good luck. You may need 10 hands!

Posted on Jan 30, 2010

  • 1 Answer

SOURCE: 1991 Jeep Wrangler - Clutch pedal has lost pressure

yo it could just be out of fluid!

Posted on Apr 22, 2010

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First place you need to look is at the clutch master cylinder on the firewall next to the brake MC. Ifg it's empty then re-fill it and s5tart to look for a leak. It is a sealed system exactly like your brake,therefore any fluid loss indicates a leak. Check on the firewall under the master, where the clutch pedal rod goes into the cylinder under the dashboard (inside the car). Check the line to the slave unit and the slave. It helps to have someone pump the clutch pedal to make any leak more obvious. If you find the leak, replace the part that is leaking. If it appears not to be leaking, replace the master as it can internally bypass and not build pressure.
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Remove the bolts holding the slave cylinder to the transmission. Disconnect the hydraulic hose. Reconnect hydraulic hose to new slave cylinder, and install the slave cylinder in it's original position.

Now proceed to bleed the line through the slave cylinder until a solid stream of fluid comes through, and the pedal pressure becomes firm.

I’m happy to help further over the phone at

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