K 1500 Truck 4WD V6-4.3L VIN W (1996)
21. Inspect the manifold for cracks, broken flanges, and gasket surface damage.
Installation
1. Install the gaskets to the cylinder head with the port blocking plates facing the rear of the engine and the "this side up" stamping facing up.
2. Install RTV to the front and the rear sealing surfaces on the block.
a. Apply a 5 mm (0.197 inch) bead of RTV GM P/N 1052366 or equivalent to the front and the rear of the block.
