Exhaust System: Technical Service Bulletins

• Recalls
  • Recall - PCM Reflash/Inspect/Replace Catalytic Converter
    • Overview
    • Service Procedure
      • A. Reprogram PCM and Inspect Catalytic Converter
      • B. Replace Catalytic Converter If Necessary (XJ, ZJ and AN)
      • C. Replace Catalytic Converter If Necessary (TJ)
      • D. Install the Authorized Modifications Label
      • E. Complete Proof of Correction Form For California Residents
    • Owner Letter
• Customer Interest
  • Exhaust System - Squeak in Cold Weather
  • Exhaust Manifold - Outer Studs Breaking
• By Symptom
  • Abnormal wear/deterioration
    • Exhaust Manifold - Outer Studs Breaking
  • Customer Interest
    • Exhaust System - Squeak in Cold Weather
    • Exhaust Manifold - Outer Studs Breaking
  • Noise
    • Exhaust System - Squeak in Cold Weather
  • Recalls
    • Recall - PCM Reflash/Inspect/Replace Catalytic Converter
      • Overview
      • Service Procedure
        • A. Reprogram PCM and Inspect Catalytic Converter
        • B. Replace Catalytic Converter If Necessary (XJ, ZJ and AN)
        • C. Replace Catalytic Converter If Necessary (TJ)
        • D. Install the Authorized Modifications Label
        • E. Complete Proof of Correction Form For California Residents
      • Owner Letter
• All Technical Service Bulletins
  • Exhaust System - Squeak in Cold Weather
  • Exhaust Manifold - Outer Studs Breaking
  • Recall - PCM Reflash/Inspect/Replace Catalytic Converter
    • Overview
    • Service Procedure
      • A. Reprogram PCM and Inspect Catalytic Converter
      • B. Replace Catalytic Converter If Necessary (XJ, ZJ and AN)
      • C. Replace Catalytic Converter If Necessary (TJ)
      • D. Install the Authorized Modifications Label
      • E. Complete Proof of Correction Form For California Residents
    • Owner Letter