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Our Latest Posts

Off-Road Prep for a Jeep Cherokee XJ — From Shop Project to Trail Ready

In This Guide The Starting Point: A Long-Dormant XJ Getting the XJ Running How to Bleed Brakes on a Jeep XJ Cherokee Greasing Bushings and Torquing Suspension Hardware Removing the Front Bumper for Cl...

Product Education

Mar 21, 2023 CORE 4X4 Shop Talk

2023 SLC Outdoor Expo -- Core 4x4 and the MJ Comanche Build

In This Guide The MJ Comanche Build: From Farm Truck to Show Rig Core 4x4s Role in the Build The Numbers About the SLC Outdoor Off-Road Expo Frequently Asked Questions Shop MJ Comanche / XJ Cherokee P...

Behind the Scenes

Mar 13, 2023 CORE 4X4 Shop Talk

How To Hack and Tap Install on a Jeep Cherokee XJ — Fix Rear Driveline Vibrations

In This Guide What Is a Hack and Tap? Why You Need This on a Lifted XJ The Iron Rock Offroad Kit Step 1: Remove the Factory Rear Driveshaft Step 2: Measure for the Cut Step 3: Cut the Output Shaft Ste...

Install Guides

Mar 6, 2023 CORE 4X4 Shop Talk

Core 4x4 Product Series Explained: Town, Trail, and Track Control Arms

In This Guide Why Core 4x4 Offers Three Series Town Series Daily Driving and Light Trail Use Trail Series The All-Around Performer Track Series Maximum Performance and Durability Side-by-Side Comparis...

Product Education

Feb 27, 2023 CORE 4X4 Shop Talk

How to Perform an Alignment at Home on a Jeep Cherokee XJ

In This Guide Why You Need an Alignment After Suspension Work What Is Toe and How Does It Work? Tools Required Step 1: Set the Vehicle at Ride Height Step 2: Mark Your Reference Points Step 3: Measure...

Maintenance & Repair

Feb 20, 2023 CORE 4X4 Shop Talk

XJ Cherokee Heavy Duty Steering Kit — WJ Knuckle Swap Steering & Brake Upgrade

In This Guide Why the WJ Knuckle Swap Matters Whats in the Core 4x4 HD Steering Kit Tools Required Step 1: Pre-Install Measurements Step 2: Remove the Factory Steering Step 3: Install the HD Steering ...

Install Guides

Feb 13, 2023 CORE 4X4 Shop Talk

Jeep WJ Knuckle Swap on Cherokee XJ — Teardown & Prep Guide

In This Guide Why the WJ Knuckle Swap Is the Best XJ Steering Upgrade What You Need for This Install Step 1: Remove Steering, Track Bar, and Sway Bar Step 2: Remove Brakes, Rotors, and Hubs Step 3: Re...

Install Guides

Feb 6, 2023 CORE 4X4 Shop Talk

XJ Cherokee Lift Kit Install Part 2 — Rear Leaf Springs, Shocks, and Brake Lines

In This Guide Game Plan: Rear Suspension Teardown Brake Line Relocation Leaf Spring Removal: Watch for Fused Crush Sleeves Shock Removal: Broken Upper Bolts How to Fix Broken XJ Shock Bolts New Leaf S...

Build Series Install Guides

Jan 30, 2023 CORE 4X4 Shop Talk

XJ Jeep Cherokee Long Arm Kit Install — Step-by-Step Guide

In This Guide Before You Start: Springs and Shocks First Step 1: Remove the Factory Lower Control Arm Mounts Step 2: Remove the Factory Crossmember Step 3: Mock Up and Drill for the Frame Brackets Ste...

Build Series Install Guides

Jan 23, 2023 CORE 4X4 Shop Talk

XJ Cherokee Lift Kit Install — Part 1: Front-End Teardown

In This Guide The Build: What This XJ Needs Step 1: Spray Penetrating Fluid on Everything Step 2: Remove the Steering and Track Bar Step 3: Remove Control Arms, Shocks, Springs, and Sway Bar Step 4: L...

Build Series Install Guides

Jan 16, 2023 CORE 4X4 Shop Talk

We Are Core 4x4 -- The Origin Story Behind the Brand

In This Guide A Jeep, No Money, and a Farm Welder From a Backyard to a Business (2013) Quality Over Quantity A Founding Principle Built to Be Used and Abused A Tier System Built for Real Budgets What ...

Behind the Scenes

Jan 9, 2023 CORE 4X4 Shop Talk

Jeep WJ Grand Cherokee Rear A Arm Install -- Core 4x4 Crawler Series

In This Guide Why Replace the Factory WJ Rear Upper A Arm? The Core 4x4 Crawler Series A Arm Removing the Factory Arm Installing the New Arm Torque Specs Tools Required Frequently Asked Questions Shop...

Install Guides

Jan 3, 2023 CORE 4X4 Shop Talk

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