RECEPTACLE-CONNECTOR 8T8736 - Caterpillar

Engine3512C (S/N: T3P1-UP; TKP1-UP; T3R1-UP; T3S1-UP; T3W1-UP; T3Y1-UP)3516C (S/N: TKR1-UP; TKS1-UP; TKT1-UP; TKX1-UP; TKY1-UP)Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.Problem
Illustration 1 g06213837Engines are experiencing corrosion of the intake valves due to a combination of duty cycle and the introduction of the CCV system. In extreme cases this corrosion leads to chordal fractures of the valve resulting in damage to head, PRL, and occasionally turbos.Solution
Caterpillar is aware of this problem. Replace the cylinder head with the same head. Customers can remove CCV if desired per Engine News, M0075966.