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How do you bleed the clutch?


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Got a 1987 2wd 2.5 4speed. Not sure what tranny but I think it is a T-4. I have bled brakes berfore just not a clutch. I am usually nervous when doing a job for the first time. Any advice or tips to make it easier. Just had the clutch master replaced.

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Did you bench-bleed the master first?

 

Is the setup internal slave or external slave?

 

The trans is most likely an AX-4. (the t-4s were pretty rare in MJ/XJs) A photo would clear that up. Either way the bleeding happens just like the brakes.

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This site may help. The listing has links to drawings if each transmission type.

 

http://www.drivetrain.com/parts_catalog ... ation.html

 

When you click on the AX4 it says pic is of a T4, then you click on AX5 and it says it also the pic for AX4. :hmm:

 

Hm... Yeah the AX-4 is linked wrong, and the AX-5 pic isn't quite right. While on the outside the AX-4 and AX-5 are identical, the insides are only mostly identical. AX-4 is obviously missing the 5th gear and the reverse slider is slightly different.

 

Also, the AX-4/AX-5/G52 picture is of a G52. Granted, the front case and internals are very close to the AX-5, that's obviously the yoda rear case and bellhousing.

 

Funny how the AX-15 link also goes to the G52 pic...

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So being an AX-4 there should just be a bleeder screw sticking out of the side of the trans if I am thinking correctly?

 

There should be, but not specifically because it's an AX-4.

 

87-93ish they used an internal slave cylinder, which will just have the bleeder screw sticking out. Be careful, as with most bleeders, they like to break.

 

It's possible that someone converted it to an external slave at some point though, which will have the bleeder on the slave itself. Bleeding an external is a bit different than an internal. With an external, you'd have to remove the slave, and using either the special tool or an old exhaust clamp and long bolts, completely compress the cylinder before bleeding to prevent air being trapped inside. Obviously nothing you can do about that with an internal.

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So being an AX-4 there should just be a bleeder screw sticking out of the side of the trans if I am thinking correctly?

No.

 

The bleeder for the clutch extends out of the bellhousing. You'll see it -- it looks like a bleeder screw on a brake caliper or wheel cylinder.

 

There is nothing in the transmission to bleed.

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O.K. so i just said heck with it and took the truck up to Muffler Man so they could hook it to the power bleeder. About 15 minutes and $10 later all my clutch problems were history. Seemed like the best route to me. :dunno:

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