911 Turbo AWD F6-3600cc 3.6L SOHC Twin Turbo (1997)
Oxygen Sensor: Service and Repair
CYL 1-3 Ahead of CAT
Oxygen Sensor Wrenches
1. Plug-in wrench no. 645Od - 22
2. Open-ended ring wrench no. 4681-2
3. Open-ended ring wrench no. 4681-3
commercially available e.g. by Hazet
REMOVAL
1. Remove sealing frame and charge air cooler. Do not drop the square fastening nuts of the lower charge air cooler bracket.
O2 Connectors
