Engine: Technical Service Bulletins
- Customer Interest
- By Symptom
- All Technical Service Bulletins
- Engine - Approved Engine Oil Specification
- Engine - Approved Porsche A40 Engine Oils
- VIN, Certification, & Emission Label - Availability
- VIN, Certification & Emission Labels - Availability
- VIN Plate, Certification & Emission Label - Availability
- Tools - Rebuilt and Exchange Program for Tools
- Valve Seal - Replacement Procedure
- Toothed Engine Belts - Storage, Packing and Handling
- Cylinder Heads - Tightening Procedure & Service Changes
- Engine - Oil In the Cooling System
- Pistons & Rings - Modified
- Engine Performance - Surging Idle or Hesitations
- Magnetic Engine Oil Drain Plug - Deleted
- Connecting Rod Nuts - Incorrectly Made
- Tools - Auto Scopemeter & Engine Analyzer
- Spark Plug - Recommeded Usage
- Spark Plugs - Install With Threads Clean and Dry
- Camshaft Drive Belt - Noise at 1800 RPM
- Coolant Pump - Leaks
- Ignition Distributor - Revision and Marking
- Engine Lubrication - Oils That Minimize Carbon Build-Up
- Engine - Approved Engine Oils
- Engine - Porsche Approved Oils
- Engine Mount - Revised, Installation and Checking
- Engine - Oil Pressure Too High
- Engine - Approved Engine Oils Overview