Sierra 1500 4WD V8-6.0L (2007)
1. Remove the intake manifold.
2. Disconnect the engine harness electrical connector (1) from the oil pressure sensor.
3. DO NOT lift the valve lifter oil manifold by the electrical lead frame.
1. Remove the intake manifold.
2. Disconnect the engine harness electrical connector (1) from the oil pressure sensor.
3. DO NOT lift the valve lifter oil manifold by the electrical lead frame.