88 YJ Won't shift when started from neutral, works fine when started in gear - JeepForum.com
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post #1 of 3 Old 06-20-2009, 04:35 PM Thread Starter
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1993 YJ Wrangler 
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88 YJ Won't shift when started from neutral, works fine when started in gear

Had an 87 YJ until some drunk decided to total it one night when it was parked in front of my house.

Now looking at a replacement 88 YJ this guy is selling that's in very good shape.

Problem is, he just replaced the clutch and slave cylinder and now it won't shift into any gear when the engine is started from neutral. If you start it in gear it shifts around fine.

I'm a tranny/clutch noob, but everyone I talk to says either the fluid's low, needs to be flushed, or the throwout bearing was not properly installed (all of which are manageable repairs, allegedly). It's a killer deal, so I'm thinking of picking it up despite this issue but just wanted to find out from some seasoned tranny guys if this could be indicative of a more serious problem.

Any advice would be greatly appreciated.

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post #2 of 3 Old 06-20-2009, 04:40 PM
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1991 YJ Wrangler 
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More than likely you will need to bleed the clutch systen........Oh by the way that should be the clutch master cyclinder on the firewall.


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post #3 of 3 Old 06-20-2009, 04:40 PM
Mean Max
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1991 YJ Wrangler 
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Location: Stuart, Florida
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I too, suspect a hydraulic issue.

The part on the firewall is not the slave, it's the master, which drives the slave. Follow the fluid line down to the tranny, if it runs inside the bellhousing you still have the internal slave configuration. If the line is attach to a hydraulic unit bolted to the outside of the tranny, you have the external arrangement.

In this picture, where it says "Master & Slave Cylinders" the master is the unit like on your firewall (it has the reservoir) and the external style slave is the part to the right in that same picture block.

In the block below that is the box marked "Hydraulic Control Unit" and that is the internal style slave unit, which is a combo slave cylinder/throw-out bearing unit.


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Originally Posted by UltimatE View Post
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Originally Posted by Benderff View Post
No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

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