Ep. 17 I Tried Every Jeep Cherokee XJ Overheating Fix for 13 Years!

**Jeep Cherokee XJ Overheating Problems - My Full Story & Fixes Tried | XJ Talk Show** In this classic episode of the Jeep Cherokee XJ Talk Show, Tony shares his personal 13-year battle with overheating on his 1998 Jeep Cherokee XJ. From the very first water pump failure on the highway to years of chasing the "heat creep" at highway speeds, this is a detailed, real-world account of one of the most common XJ issues. ### What You'll Learn: - Why XJs run hot at idle, in traffic, and especially on the highway - Water pump failures, warped heads, cracked plastic radiator tanks - All the mods and parts Tony tried: 3-core radiator, high-flow water pump (FlowKooler), 180° thermostat, heavy-duty Grand Cherokee fan clutch, transmission cooler, gears (4.56), hood cowl scoop, and more - The surprising discovery that running the electric fan at highway speeds helped significantly - Airflow tips: factory skid plate/air dam, moving the trans cooler, and plans for a big 3-fan electric setup (4,600 CFM) - Real talk on what worked, what didn't, and lessons learned the hard (and expensive) way Whether you're dealing with your own XJ running hot or just love classic Jeep Cherokee tech talk, this episode is packed with practical advice from years of ownership and wrenching. **Timestamps:** 00:00:00 Show Introduction and Sponsor Message 00:02:43 Listener Call‑In Information 00:03:39 Contest Overview and Voting Details 00:06:42 Detours A‑Pillar Light Mount Contest & Sticker Sale 00:11:27 Jeep Overheating Issue Introduction 00:14:16 Water Pump Failure and Repair Cost 00:16:13 Radiator Failure and Replacement Experience 00:18:36 Plastic Radiator Tank Crack and Costs 00:19:09 Early Overheating Episodes and Lessons Learned 00:20:54 Multiple Water Pump Replacements and Expenses 00:23:14 Problem Diagnosis and Planning 00:27:26 Tire Upgrade, Transmission Cooler, and Gear Changes 00:30:50 Aggressive Troubleshooting and Airflow Diagnosis 00:35:04 Fan Upgrade Attempts Yield No Improvement 00:36:54 Heavy‑Duty Fan Clutch Installation 00:39:26 Partial Improvements but Heat Creep Persists 00:41:17 Electric Fan Bypass Test Shows Cooling Benefit 00:42:28 High‑CFM Fan Discussion and Community Feedback 00:44:37 Varied Experiences Among Jeep Owners 00:45:07 Recent Highway Run and Missing Engine Mat 00:46:28 Skid Plate Restoration and Lift Effects 00:48:09 Airflow Under Jeep vs Radiator Efficiency 00:48:52 Removing Front Accessories to Improve Cooling 00:50:26 Relocating Transmission Cooler Out of Airflow 00:51:55 Future Plan: Fan on Cooler and High CFM 00:52:35 Avoiding Triple‑Core Radiator, Performance Gains 00:56:14 Questions, Fuel System Concerns, and Further Tests 01:01:37 Propane Conversion Idea and Light Mount Reminder 01:02:57 Detours Light Mount Contest Entry Details 01:05:11 Contest Entry Cost Explanation and Thanks 01:06:35 Cooling System Design Flaw Discussion 01:08:03 Upcoming Detours Light Mount Winner Announcement 01:08:33 Closing Remarks and Sign‑Off **Links:** - Visit the original site: https://xjtalk.com (or current Jeep Talk Show site) - Subscribe for more Jeep Cherokee XJ content, builds, interviews & tech! If you're fighting the XJ overheating gremlin, drop your setup and symptoms in the comments — year, lift, tires, mods, etc. Let's help each other out! #JeepCherokee #XJ #JeepOverheating #XJTalk #JeepBuild #4x4 #Offroad #JeepLife Visit our website: https://jeeptalkshow.com/ Watch/Listen on Spotify https://jeeptalkshow.com/spotify Join our Discord Server: https://jeeptalkshow.com/discord Subscribe to our newsletter: https://jeeptalkshow.com/newsletter Help Support the show via Patreon: https://jeeptalkshow.com/patreon