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.

Notice: Refer to Fastener Notice 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 .

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.

Notice: Refer to Fastener Notice 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 .