Engines covered in this Porsche repair manual: 1997 1999 Porsche Boxster: 2.5 liter (M96/20), 2000 2004 Porsche Boxster: 2.7 liter (M96/22, M96/23), 2000 2004 Porsche Boxster S: 3.2 liter (M96/21, M96/24). Manual transmissions covered: (remove, install, external service) Porsche Boxster: 5-speed (G86/00 and G86/01), Porsche Boxster S: 6-speed (G86/20). Automatic transmissions covered: (remove, install, external service) 1997 1999 Porsche Boxster: A86/00, 2000 2004 Porsche Boxster: A86/05 2000 2004, Porsche Boxster S: A86/20. Technical highlights: Maintenance procedures from changing the oil to replacing the interior ventilation microfilter. This manual tells you what to do and how and when to do it. Step-by-step engine removal and installation and cylinder head cover service. Cooling system filling and bleeding, coolant pump replacement and engine cooling fan and radiator service. Fuel injection and ignition system service, including explanation of three different Bosch DME engine management systems. Clutch, flywheel and rear main seal service. Brakes, steering, suspension and ABS maintenance, troubleshooting, and repair. Heating and air-conditioning repair, including A/C component replacement. Body adjustments and repairs. Convertible top repairs and adjustments, including convertible top motor, drive cables and transmissions service. Electrical system service, with an easy-to-use illustrated component locator section. Wiring schematics for selected models, including power distribution, grounds, convertible top and other hard to find circuits. 670 pages and 909 photos, illustrations and diagrams.