Section 6A2 · Pages 329–360 (32 pages)

2.8 Liter V6 Engine

From the 1987 Chevrolet Light Duty Truck Unit Repair Manual

Bench overhaul of the GM 2.8L, a 60-degree overhead-valve V6 with cast-iron block and heads, four main bearings with thrust at the number three bearing and a chain-driven camshaft. Disassembly starts with accessories, the air injection tube and EGR valve, then the manifolds, valve train, heads, torsional damper, front cover and water pump, oil pan and pump, timing chain, camshaft, pistons, flywheel and crankshaft. Cleaning, inspection and repair covers the block, pistons and rods, camshaft, valve train, lifters, heads and crankshaft, followed by assembly with valve adjustment and engine set-up and testing.