Pistons (See Figure 2-17) are cast aluminum with: • A ni-resist full top ring groove. • 2-piece oil control ring. • “ Full floating piston…

To replace a worn or broken valve spring without removing the cylinder head proceed as follows: REMOVAL 1. Remove rocker arm assemblies. 2. Rotate engine…

Valves that are pitted can be refaced to the proper angle, insuring correct relation between the head and stem on a valve refacing mechanism. Valve…

Reconditioning the valve seats is very important, because the seating of the valves must be perfect for the engine to deliver the power and performance…

The timing chain on the 6.2L engine will have slack or deflection. It can be measured whenever the front cover is removed from the engine.…

NOTICE: Excessive valve stem to bore clearance will cause excessive oil combustion and may cause valve breakage. Insufficient clearance will result in noisy and sticky…

Pre-chambers must not be recessed into the cylinder head or protrude out of the cylinder head by more than .004″ or a head gasket leak…

• Wire brush head bolts to clean threads. • Apply P/N 1052080 sealant to bolt threads. • Oil underneath head of bolts. • Dowel pins…

There are various reasons why a cylinder head may not seal, that should be detected before a head gasket is replaced. Some may not be…

The cylinder head (Figure 2-12) is a very heavy design and made of cast gray iron. It is a 17 bolt design that has 5…