Exhaust Manifold Heat Shield Replacement - Left Side 4.3L

1. Remove the spark plug wires. Refer to Spark Plug Replacement.
2. Reposition the spark plug wires out of the way, if necessary.
3. Remove the exhaust manifold heat shield bolts and heat shield from the exhaust manifold.

Caution: Refer to Fastener Caution in the Preface section.




1. Position the exhaust manifold heat shield to the exhaust manifold and install the heat shield bolts.

Tighten
Tighten the bolts to 9 N·m (80 lb in).

2. Install the spark plug wires. Refer to Spark Plug Replacement.

Exhaust Manifold Heat Shield Replacement - Left Side 4.8L, 5.3L, 6.0L, and 6.2L

1. Remove the right wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Right Side.
2. Remove the exhaust manifold heat shield bolts and heat shield from the exhaust manifold.

Caution: Refer to Fastener Caution in the Preface section.




1. Position the exhaust manifold heat shield to the exhaust manifold and install the heat shield bolts.

Tighten
Tighten the bolts to 9 N·m (80 lb in).

2. Install the right wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Right Side.