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#5.4 triton timing chain replacement professional#

Going too long between oil changes and using the wrong type or viscosity rated motor oil can cause the timing chain pins and plates to wear, resulting in timing chain stretch. In some cases, timing chains stretch due to improper owner maintenance. Other signs can include poor engine performance or fuel efficiency, camshaft timing function engine codes, or timing chain guide debris found in the engine oil. This noise could be a temporary rattle at startup or a rattle throughout operation that changes with engine speed. The most obvious would be audible noise from the timing cover area during engine operation. There are a few signs that a technician may find that would indicate a timing system issue. Signs of a Failing Timing Component or VVT Sprocket

A VVT system failing over time can develop engine rattles at start-up and/or in operation.

Later model variable valve timing (VVT) applications will trigger engine codes indicating failure to be able to fully control camshaft timing.

Signs a timing chain needs to be replaced include: Timing chain systems are not scheduled maintenance items so repairing before catastrophic failure is key therefore, it is important to be able to recognize the symptoms.

The timing chain components are internal engine components and require healthy oil feed for proper function, making oil maintenance very important.

#5.4 triton timing chain replacement professional#

As most automotive professional technicians know, a vehicle’s timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing.