Spark Plug: Service and Repair

Spark Plug Removal and Installation

Removal

1. Remove ignition coil assemblies.
2. Remove spark plugs.

Installation

1. Install spark plugs and tighten them to specified torque.

Spark plug type
: ACDelco 41-990 (platinum)

Tightening torque
Spark plug: 18 N.m (1.8 kg-m, 13.5 lbf-ft)

2. Install ignition coil assemblies.