GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Impala 🢒 Engine 🢒 Engine Controls - 3.4L 🢒 Spark Plug Usage

Application

Specification

Tightening Specification

3400 LA1 (VIN E)

AC Type 41-940, gap at 1.52mm (0.060")

15 N·m (11 lb ft)

3800 L36 (VIN K)

AC Type 41-921, gap at 1.52mm (0.060")

15 N·m (11 lb ft)