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Home › XJ Upgrades / Tech Write-ups

Engine

Fri, 07/09/2010 - 12:47 — djblade311

The 4.0L changed from Renix to High Output in June of 1991
 
 

  • 99+ Intake Manifold Upgrade
  • Air Intakes and Filters
  • Camshaft Sprocket Bolt
  • Crankshaft pulley-to-vibration damper bolts
  • Diagnosing Jeep 4.0L Engine Noise
  • Engine Cooling System
  • Fuel Systems
  • Oil Filter
  • Rear Main Seal Replacement
  • Spark Plugs - V6 engine only
  • Throttle Body Mounting Nuts
  • Throttle Body Upgrades
  • Troubleshooting No-Start Issues
  • What motor mounts do you use?
‹ Vehicle Speed Sensors up 99+ Intake Manifold Upgrade ›
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Related Terms

Engine Cooling System
Throttle Body Upgrades
Torque Specifications
Diagnosing Jeep 4.0L Engine Noise
Troubleshooting No-Start Issues