Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1991 PorscheFACTORY OEM SERVICE PROCEDURE
Porsche: 1991
Select a section or procedure below to view factory instructions:
911 Carrera 2 Cabriolet F6-3600cc 3.6L SOHC911 Carrera 2 Coupe F6-3600cc 3.6L SOHC911 Carrera 2 Targa F6-3600cc 3.6L SOHC911 Carrera 4 Cabriolet AWD F6-3600cc 3.6L SOHC911 Carrera 4 Coupe AWD F6-3600cc 3.6L SOHC911 Carrera 4 Targa AWD F6-3600cc 3.6L SOHC911 Turbo F6-3299cc 3.3L SOHC Turbo928 GT V8-4957cc 5.0L928 S4 V8-4957cc 5.0L944 S2 Cabriolet L4-2990cc 3.0L DOHC944 S2 Coupe L4-2990cc 3.0L DOHCCarrera 2, 2D Convertible, AutomaticGT2D Convertible
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.