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Off-road DIY guides, build write-ups, and honest maintenance advice. No affiliate links, no sponsored takes โ€” just what actually works.

XJ Diagnostics

Your XJ Oil Pressure Gauge Is Bouncing or Dropping โ€” Here's How to Tell If It's Serious

On a 4.0L, an erratic needle with a smooth-running engine is almost always the sending unit or its wire โ€” not the engine. Here's the diagnostic order and the $0 test that settles it.

June 2026Read โ†’
Gladiator JT

Jeep Gladiator JT: The Complete Trail Manual Overview

The only mid-size truck with a removable top, doors, and a real solid-axle trail pedigree. Here's what makes the JT distinctive, where it compromises, and who should actually build one.

June 2026Read →
Gladiator JT Buyer's Guide

Buying a Used Jeep Gladiator JT: What to Inspect Before You Pay

A used JT can be a great buy or an expensive lesson. Here's exactly what to check, which years and trims hold up, what the known problems cost, and what you should pay by year and mileage.

June 2026Read →
Gladiator JT Build

Jeep Gladiator JT Lift Kit: Everything You Need to Know

A 2.5-inch coil lift on 35s is the sweet spot. Here's the fitment map, the supporting parts that actually matter, why the coil-sprung rear and long wheelbase change the math, and when to re-gear.

June 2026Read →
TJ Build

How to Lift a TJ Wrangler: Springs, Caster, and What You Need Before Tires

A 3–3.5-inch short-arm lift fits 33×12.5-inch tires without a body lift and keeps the NP231 slip yoke in a safe operating range. Here's the tier breakdown, why caster correction isn't optional, and when you actually need an SYE.

June 2026Read →
XJ Steering & Suspension

XJ Ball Joint Replacement: Symptoms, Diagnosis, and DIY

A clunk from a front corner over bumps is the tell. Here's how to test for play, what to buy (Spicer 706944X), and how to press them yourself with a rented tool.

May 2026Read โ†’
JK Diagnostics

JK Death Wobble: How to Diagnose It and Fix It for Good

The factory track bar bolt is undersized by design โ€” it's the root cause for most JKs. Here's the diagnosis sequence and the fix that actually holds, including what lifted rigs need to do differently.

May 2026Read โ†’
XJ Diagnostics

Blown Head Gasket or Cracked 0331 Head? How to Tell on a 4.0L XJ

Slow coolant loss with no overheating points to a cracked 0331 head, not a gasket. Here's the diagnostic order that separates them without pulling the head.

May 2026Read โ†’
XJ Body & Tires

How to Cut XJ Fenders to Fit 35-Inch Tires: The Notch and Fold Method

Lift alone won't get 35s under an XJ. Here's the full front and rear fender cut process โ€” notch and fold on the rear quarters, what to seal, and flare options after.

May 2026Read โ†’
XJ Steering

XJ Death Wobble: Causes, Diagnosis, and the Fix That Actually Works

It's almost always the track bar bracket bolt or a worn track bar. Here's how to confirm it and fix it before it damages your steering box.

May 2026Read โ†’
XJ Engine

XJ Cooling System Failures: What Breaks, When, and What to Do

The factory radiator is the most common failure. Here's the full list โ€” radiator, water pump, thermostat, hoses โ€” in order of likelihood.

May 2026Read โ†’
Build Foundations

When to Re-Gear Your Axles: The Math, the Feel, and When to Leave It Alone

On 33s, stock XJ gearing is marginal but livable. On 35s, you need 4.56s. Here's the calculation and what a re-gear actually costs.

May 2026Read โ†’