last254 Posted October 9, 2015 Share Posted October 9, 2015 Hey guys, so I drive a 87 comanche 4x4 4.0L. It originally ran the peugot transmission and I never had any issues with the clutch in that, I was just eager to swap it and now have a NV3500 transmission in place. The master cylinder I am using is as far as I can tell meant for the comanche, http://www.autozone.com/drivetrain/clutch-master-cylinder/duralast-clutch-master-cylinder/jeep/comanche-4wd/1987/6-cylinders-m-4-0l-fi/69675_0_0/ The slave cylinder I use I believe is for a 2000 jeep cherokee 4.0L 4wd. I use a braided hose to connect the two. http://www.autozone.com/drivetrain/clutch-slave-cylinder/duralast-clutch-slave-cylinder/jeep/cherokee-4wd/2000/6-cylinders-s-4-0l-mfi/577903_0_0/ Finally to my issue! I have swapped out 4 slave cylinders and 2 master cylinders ever since I did the swap. Is there something wrong with my setup or does autozone just provide crap parts? Please help asap I need a new master cylinder cap and I know they're gonna make me by the whole master not just a cap. **Note** Just so you know if i'm doing anything wrong. I install my slave typically with the retaining straps still on and then I let the pressure break those straps on their own, maybe this is the wrong way to install? Also there is no bleeder valve on the slave and I've read a lot, seems like everyone just pumps the pedal to eternity and I did the same to bleed the system, seems to work for a little while atleast Link to comment Share on other sites More sharing options...
last254 Posted October 9, 2015 Author Share Posted October 9, 2015 I just read that the clutch for the nv3500 typically uses dot 3 brake fluid but i've always used hydraulic clutch fluid, possible issue here? Link to comment Share on other sites More sharing options...
mik666 Posted October 9, 2015 Share Posted October 9, 2015 clutch and brake fluid are the same, they are just packaged differently - dot 4 has a higher boiling point than dot 3, and is recommended by some manufactures for brakes that generate more heat- you can use dot 4 in any dot 3 application ( but not dot 5 its a different - its silicone based and is not compatible). since your clutch is not a brake system it would be fine with dot 3 or 4 Link to comment Share on other sites More sharing options...
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