Engine Assembly: Remove, Install, and Overhaul

WARNING: This page is about the Sierra 1500, 2D Pickup, 4.3 X, 4WD, Automatic, Automatic, which is a different variant/trim than selected.

Includes: Replace Rings, Main and Rod Bearings, Camshaft(s), Crankshaft and Timing Components. Remove Cylinder ridge, burnish Cylinders, grind Valves and clean and test or replace Lifters. Includes (where applicable): Adjust Valves. DOES NOT include Pin fit or rebore and align Rods. See machine operations.

Applies To	Note	Standard Hours	Skill Level
Gas,V6,Automatic Trans, w/Air Cond	Includes: Recover, Evacuate and Recharge Air Conditioning System.	28.1	A
Gas,V6,Automatic Trans, w/o Air Cond		26.7	A
Additional Procedure: ENGINE ASSEMBLY: Remove, Install, and Overhaul:
V6, Where Cruise Control interferes add		0.2	A
w/Auxiliary Trans Cooler add		0.4	A
w/Skid Plate add		0.3	A
Where Engine Oil Cooler interferes add		0.4	A
Combination Procedure: CAMSHAFT BEARING: Remove & Replace:
Each		0.3	A
Combination Procedure: OIL PUMP: Overhaul:
		0.6	B
Combination Procedure: VALVE GUIDE: Remove & Replace:
Each		0.2	A