OldSch88L Posted May 26 Share Posted May 26 Ever since I did the external slave swap, I've been having trouble getting the gears in from a stop with the clutch in. The gears grind like if the clutch doesn't fully disengage. I have a TJ 2.5 AX5, slave, master and release bearing, but the Renix 2.5 flywheel and clutch that worked previously with the internal slave transmission. I've bled the clutch system many times, it has no air in it, and makes no difference. So after doing some reasearch, it seems like Renix and MPFI flywheels and clutches are different. I've got the specs for the MPFI flywheel, but can't find any info on the Renix one. Anyone have the overall thickness, or crank mounting surface to friction disc surface thickness? Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 26 Share Posted May 26 I can bust out my carbed flywheel this evening and measure for ya. It’s the same as Renix just without the gaps for the ECU to read Link to comment Share on other sites More sharing options...
OldSch88L Posted May 27 Author Share Posted May 27 26 minutes ago, eaglescout526 said: I can bust out my carbed flywheel this evening and measure for ya. It’s the same as Renix just without the gaps for the ECU to read That would help a lot! I want to finally get at the bottom of this to find out what's going on! Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 27 Share Posted May 27 1 hour ago, OldSch88L said: That would help a lot! I want to finally get at the bottom of this to find out what's going on! It’s funny you bring this up cause I am having a mildly different issue. I can drive the XJ just fine but putting the CPS on and all the way brings it too close to the flywheel yet I’m using the right era bell house. But it needs one bolt and to be close enough to run haha. Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 27 Share Posted May 27 Thickness from starter gear ring to top is 1 1/8” From bottom to top is 1 3/4”. Link to comment Share on other sites More sharing options...
OldSch88L Posted June 1 Author Share Posted June 1 On 5/27/2024 at 12:38 AM, eaglescout526 said: Thickness from starter gear ring to top is 1 1/8” From bottom to top is 1 3/4”. Well, from what I gathered from Rockauto, the MPFI flywheel seems to have the same dimensions as the Renix one you just measured... I'm stumped! Link to comment Share on other sites More sharing options...
OldSch88L Posted June 1 Author Share Posted June 1 Those two charts were from flywheels listed for a 1999 Cherokee 2.5L manual trans on Rockauto BTW. Link to comment Share on other sites More sharing options...
eaglescout526 Posted June 1 Share Posted June 1 Now when you swapped, you got all the parts for the HO right? Clutch disc is mounted correctly too right? Link to comment Share on other sites More sharing options...
OldSch88L Posted June 1 Author Share Posted June 1 2 hours ago, eaglescout526 said: Now when you swapped, you got all the parts for the HO right? Clutch disc is mounted correctly too right? Nope, I've got a 2.5L Renix four popper. The clutch and flywheel are still the same as when it was 2wd with the internal slave AX-5. I've converted to 4x4 with a 2.5 TJ Wrangler's AX-5 trans, release bearing, external slave and clutch master cylinder. Link to comment Share on other sites More sharing options...
eaglescout526 Posted June 1 Share Posted June 1 Ok. Now what about the clutch disc? Do you remember having the word “flywheel” face the flywheel when you were installing it? Link to comment Share on other sites More sharing options...
OldSch88L Posted June 1 Author Share Posted June 1 34 minutes ago, eaglescout526 said: Ok. Now what about the clutch disc? Do you remember having the word “flywheel” face the flywheel when you were installing it? I didn't take the pressure plate and disc appart, as I just did a transmission swap. With the truck having a verified 126000km (around 78000 miles) at the time, it could pretty well be the original clutch as well. Link to comment Share on other sites More sharing options...
eaglescout526 Posted June 1 Share Posted June 1 Ok just making sure. Didn’t know if you gave it the whole works while you were in there. Link to comment Share on other sites More sharing options...
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