Heated Oxygen Sensor Installation - Sensor 2

Special Tools 

EN-48259  Oxygen Sensor Remover/Installer

Equivalent regional tools: Refer to Special Tools 

1. Install the heated oxygen sensor - position 2 (1) and tighten to 42 N.m (31 lb ft), use the EN-48259  remover/installer.
   Fig 1: Heated Oxygen Sensor 2

   Courtesy of GENERAL MOTORS COMPANY
   CAUTION: Heated Oxygen and Oxygen Sensor Caution
   CAUTION: Silicon Contamination of Heated Oxygen Sensors Caution
   CAUTION: Fastener Caution
   CAUTION: A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.