fiatslug87 Posted May 24 Share Posted May 24 Thanks Pete (cruiser54), we are eternally grateful for your tips and helpfulness. Your contributions to our community are immeasurable and will continue to help us keep our RENIX MJs/XJs running. As a tribute we are archiving these tips here on ComancheClub. April 30, 1954 - May 16, 2024 RIP https://comancheclub.com/topic/73455-we-lost-a-member/ Cruiser’s Mostly Renix Tips Technical DIY instructions covering common issues on the Renix XJ Cherokees and MJ Comanches (1987-1990). Preventative and proactive procedures to save you headaches, time, and money. Many of these tips were provided to me and my buddy Joe by JeepTech when I was Service Manager/Shop Foreman at a Jeep dealer from 1980 through 1992. That’s what “The Book” is all about. Our notes from back in the day. Right from the Field Service engineers. Thanks Lonnie and Big Al!! Most were never published, until now. Tips 1, 2, 3, 4 and 5 are a great place to begin before chasing your tail with parts replacements on your 87 and 88 Jeeps. These are pretty much “haftas” in Renix Jeep ownership. You can skip Tip 2 if you have an 89 or 90. But, do the Tips first……….Avoid firing the “parts cannon” at your Jeep!!!!!!! The next priorities on your Renix Jeep are Tips 11, 13, 31, 25 and 26 A simple multimeter is handy along with a few other basic tools……so dive in and get to know your Renix Jeep. Some Tips also transfer to later years, or the techniques can be adapted. If you have a 91 or later, see Tips 1, 3, 10, 11, 12, 15, 16, 18, 19, 20, 24, 29, 30 and 36. If you have an 84 through 86, see Tips 3, 12, 15, 16, 18, 19, 20, 28 and 30. 1 – Ground refreshing and Upgrades 2 – C101 connector refreshing 3 – Connector and relay/receptacle refreshing 4 – Coil/ICM contacts 5 – Checking sensor grounds 6 – Sensor ground upgrade 7 – CPS testing and adjusting 8 – TPS testing and adjusting 9 – ECU connector refreshing 10 – Trans plug connector refreshing 11 – Throttle body and IAC cleaning 12 – Setting your 4.0 to #1 TDC 13 – Renix Distributor indexing 14 – Restoring Throttle Butterfly Adjustment 15 – Rear main seal diagnosis 16 – Vacuum test for exhaust restriction 17 – HO engine into Renix 18 – Improving the instrument panel ground 19 – Headlight harness installation 20 – 4WD shifting tips 21 – Renix EGR valve test 22 – Renix vacuum harnesses 23 – CPS timing advance mod 24 – 4.0 Engine date codes 25 – Valve cover mod 26 – Oil Filler cap Mod 27 – C101 Connector Elimination 28-Improving blower motor performance 29-Improving the fuel pump ground 30-Adding the Sentinel Headlamp feature 31-Throttle body to MAP hose upgrade 32-Renix metric oil filter to SAE filter 33-Converting to an open cooling system 34-Eliminating the Heater Control Valve 35-Reducing cabin wind noise 36-Bypassing the Power/Comfort switch 37-Best injectors for Renix 38-Improving the wiper motor ground 39-4.0 Engine Removal 40-More power for your 87 and 88 4.0 ***VIDEO*** 41- Easily track down and repair ENGINE VACUUM LEAKS HELPFUL LINKS. TAKE A LOOK!! DON’T MISS THESE. Guides Upgrading headlights: The real story. Get rid of that pesky front axle disconnect: Free D30 CAD bypass How to fix flexplate knocking Checking for a cracked flexplate Fix lazy power locks on your pre-1991 XJ or MJ Add rear disc brakes to your XJ or MJ How old are your tires? Add shoulder harnesses for your rear passengers Add alternating front blinkers to your early XJ or MJ Video: Remove carbon deposits inside your engine for free Video: How to adjust your transmission throttle valve cable Video: Adjust your transfer case linkage Build a “poor man’s” stroker engine Video: How to test your CPS Upgrade your brake booster Replace your AC bracket bearing Resources History of the AMC Straight Six Renix history Video: How To Use a Multi-Meter BleepinJeep’s great video how-to channel Wiring Diagram Library Choosing the right engine oil Differences between engine oil filters Renix sensors explained Everything you ever wanted to know about the AW4 Everything you ever wanted to know about the AX15 Video: A scanner for your Renix with a tutorial Video: Rusted nuts and bolts. A simple solution Products Upgraded battery, alternator and ground cables for your Jeep Bored Renix and HO throttle bodies and MORE! Refurbished upgrade fuel injectors Trevor.skankfootracing@gmail.com Adventure Trailers Made in Prescott, Arizona! Aussie Lockers Made in the USA! LED Light Sets Instrument and interior LEDS for Jeeps Upgrade your motor mounts Brown Dog Get a Renix Engine Monitor No more guesswork. Take a peek inside your Renix system for a reasonable price!!! Cruiser54's WEBSITE DEDICATION "This website would never have been possible without the decades long work and support of my “little brother”, co-worker, and dear friend Joe Soriano. As I write this dedication to Joe on Thanksgiving, it seems quite appropriate. Thank you Joe for many things, all larger than this website. A true friend and comrade in buffoonery forever. For those of you who didn’t know Joe, you need to be aware that we worked together at a Jeep dealership from before the inception of the Jeep XJ. 1980 to be exact. Side by side, with the help of our friends at JeepTech, we embraced the XJ and MJ. We both kept the special tips and info in “the book” featured here. After working together for 12 years, I left the dealership and went on to other things. Joe kept “the book” and worked for the dealership a total of 37 years. In 2010 Joe presented “the book” to me. All those notes in both of our handwriting, outlining neat fixes. So, that is the true heritage of this site. Sadly, Joe passed away unexpectedly on November 13, 2016. I wish to dedicate this site to Joe." Link to comment Share on other sites More sharing options...
89 MJ Posted May 25 Share Posted May 25 Thank you so much for getting these posted! RIP Cruiser54. Link to comment Share on other sites More sharing options...
eaglescout526 Posted May 25 Share Posted May 25 Fiat, I did a little helping for the missing ones. I used the way back machine to see when he added those tips. It looks like he added them but never implemented them to his website. Cruiser probably had intentions say as a a video for those ones that don’t have a true link. Link to comment Share on other sites More sharing options...
BizarroStormy Posted May 30 Share Posted May 30 He was helping people to his very last day, what a legend! I know my truck would not be running now without his help. We have lost someone very special. Link to comment Share on other sites More sharing options...
White_Comanche Posted June 3 Share Posted June 3 Sad to read of Cruiser's passing. He was a great help to me when I first got my 86 MJ a few years ago. I bought my Comanche with a known no-start issue that the past owner never bothered to fix. Cruiser gave me the drive to tackle this project head-on with zero experience working on vehicles. These days, my truck runs quite well thanks to the time, effort, and dedication that probably no mechanic would methodically do as I have. Link to comment Share on other sites More sharing options...
Warren99 Posted June 5 Share Posted June 5 Hate to see something like this. Cruiser's tips helped me fix so many things on my truck. Link to comment Share on other sites More sharing options...
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