Maintenance and Service Guide

PCV Valve Replacement
The PCV valve is a critical emission component.
For all passenger cars and light trucks under 6,000 Gross Vehicle Weight (GVW),
regardless of engine, the PCV valve should be replaced at 100,000 miles.
This replacement will be at the owner’s expense.
For all light trucks over 6,000 GVW, regardless of engine, the PCV valve should
be replaced at 120,000 miles. This replacement will be at the owner’s
expense.
If you are unsure about your engine type or GVW, ask your dealer.
Which Maintenance Schedule Should You
Follow?
Normal Schedule
The Normal Schedule applies to those who operate their vehicle under typical,
everyday driving conditions. This maintenance frequency represented in this schedule
typifies what the vast majority of vehicle operators will require. The listed
services should be performed at specified mileage intervals. Items listed in italic
type are additional services that only the noted vehicles require.
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General Maintenance Information
General Maintenance Information