Engine: Technical Service Bulletins

• Engine - Approved Engine Oil Specification
• Engine - Approved Porsche A40 Engine Oils
• VIN Plate, Certification & Emission Label - Availability
• Cylinder Heads - Tightening Procedure & Service Changes
  • Overview
  • 924 Model
  • 924 Turbo Model
  • 924S, 944, 944S, 944 Turbo Model
  • 911 Carrera Model
  • 928, 928S, 928 S4 Model
• Vehicle - Maintenance Requirements Update
• Tools - Auto Scopemeter & Engine Analyzer
• Engine - Reinforced Connecting Rods
• Engine - Approved Engine Oils
• Engine - Porsche Approved Oils
• Engine - Approved Engine Oils Overview