Ronnie Posted October 3, 2013 Share Posted October 3, 2013 My clutch has gone soft and barely engages, it has to be pushed all the way to the floor to engage. Is there a way to determine whether the Master or the Slave clutch cylinder is bad or could there be another culprit to consider? Its 88 Pioneer, 5 spd w/ 4.0 not sure w/ tranny I have. Thanks, Link to comment Share on other sites More sharing options...
87MJTIM Posted October 3, 2013 Share Posted October 3, 2013 What yr is your MJ? What trans do you have? Is there alot of fluid coming out from the bell housing? Probably the slave. Is fluid leaking on to your fuse block? Probably master. Link to comment Share on other sites More sharing options...
yxmj Posted October 3, 2013 Share Posted October 3, 2013 Might be a stupid question but did you check the fluid level.....and top it up if low. A visual check might help as well most slaves will leak fluid noticeably when they go. Link to comment Share on other sites More sharing options...
Ronnie Posted October 3, 2013 Author Share Posted October 3, 2013 It is a 88 Pioneer and I am not sure which tranny I have - probably the less desirable one. I will check the locations mentioned for leaks. I haven't seen anything on the driveway and its a new a driveway so I would have noticed. I will check the floor boards tonight. The fluid was a little low but filling it did not help. This sucks... I have new wheels and tires from a rubicon, just got the adapters and I want to cruise... Thanks, Gentlemen. Link to comment Share on other sites More sharing options...
87MJTIM Posted October 3, 2013 Share Posted October 3, 2013 If you have a 2.5/4 cyl, then you have either an AX4 (4 spd) or an AX5 (5 spd). If you have the 4.0/6 cyl, then would have the BA10/5 (5 spd). This assumes that the trans have not been changed. Either way, you have the internal slave cylinder. That will require dropping the trans if it is the slave. To check if it is the master, look above the clutch pedal for moisture on the dust cap of the master cyl. Rub you fingers on the top of the fuse block and check for moisture. If either is wet, then change the master cyl. It is an easy change. Then bleed the system. Link to comment Share on other sites More sharing options...
Ronnie Posted October 3, 2013 Author Share Posted October 3, 2013 Probably the master cylinder. I changed a fuse last week and noticed it was a little grimy. I will verify tonight. Thanks again for the help - you guys are awesome! Link to comment Share on other sites More sharing options...
brendan88mj Posted October 3, 2013 Share Posted October 3, 2013 Check your clutch line. The line rubs on the frame and mine wore a hole through it. Same thing happened to my fathers. If its your slave it will feel spongy but still have good presure. Link to comment Share on other sites More sharing options...
Ronnie Posted October 4, 2013 Author Share Posted October 4, 2013 Well I checked the floor boards and really couldn't find much evidence of a leak. I figured maybe things had dried up since I only drive the MJ once or twice a week. So, I pumped the clutch good checked again around the rubber boot inside the cab right before it connects to the pedal. It was moist but, not like it had a noticeable leak. I will just replace the master cylinder and go form there. The good news is I went ahead and replaced my wheels - I am very happy. Before: After: Now I just need to be able to ride...... Link to comment Share on other sites More sharing options...
ftpiercecracker1 Posted October 4, 2013 Share Posted October 4, 2013 What if there is no fluid loss, only a loss of clutch pressure. Example: Clutch engaged with the transmission in gear, the clutch will fully re-engage after about 10sec regardless of the pedal being down. Link to comment Share on other sites More sharing options...
Ronnie Posted October 5, 2013 Author Share Posted October 5, 2013 Celebrating a new master cylinder fixing my clutch... Happy - Happy - Happy Link to comment Share on other sites More sharing options...
87MJTIM Posted October 5, 2013 Share Posted October 5, 2013 Your welcome. For my bill, you can send me a case of that beer. :brows: Link to comment Share on other sites More sharing options...
yxmj Posted October 6, 2013 Share Posted October 6, 2013 Send a case and i can teach you how to rebuild them so you will never have to buy one again...it is far so i will pay the shipping :thumbsup: Link to comment Share on other sites More sharing options...
Ronnie Posted October 6, 2013 Author Share Posted October 6, 2013 If you are ever in Georgia - the beer is on me. Thank you for your help. Link to comment Share on other sites More sharing options...
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