Engine, Cooling and Exhaust: Technical Service Bulletins
- Engine - Drive Belt Damage Prevention
- Cooling System - Cleaning After Oil Contamination
- Cooling System - Coolant Regulator Housing Service
- Engine Controls - 'Turbo Power Kit' Installation
- Engine - Approved Porsche A40 Engine Oils
- Engine - Approved Engine Oil Specification
- Cooling System - Revised Coolant Housing Sealing Rings
- Fuel System - Fuel Filter/Fuel Pipe Replacement Info.