Introduction

 WARNING: TO AVOID THE POSSIBILITY OF PERSONAL INJURY OR DAMAGE TO THE VEHICLE, DO NOT OPERATE THE ENGINE WITH THE HOOD OPEN UNTIL THE FAN BLADE (8600) HAS FIRST BEEN EXAMINED FOR POSSIBLE CRACKS AND SEPARATION.

This section covers the following information:

• Adjustments
• Service procedures
• Cleaning and inspection procedures.

For engine Removal, Disassembly, Assembly, Installation, Adjustment procedures and Specifications, refer to Section 03-01A (3.8L) or Section 03-01B (5.0L).

These engines incorporate:

• Closed-type positive crankcase ventilation (PCV) system.
• Exhaust emission control system.

All engine/emission control systems are covered in the Powertrain Control/Emissions Diagnosis Manual.

To maintain the required exhaust emission levels, the following components must be kept in good operating condition and meet recommended adjustment specifications:

• Engine.
• Fuel system.
• Ignition system.

When performing tests, adjustment or service to the engine fuel system or ignition system, it is essential to follow the procedures and specifications in:

• The appropriate service group in this manual.
• The Powertrain Control/Emissions Diagnosis Manual.

Ensure that the following engine components are not serviceable before replacing any damaged or worn components:

• Crankshaft (6303).
• Cylinder heads (6049)(s).
• Valve guides.
• Valves.
• Camshaft (6250).
• Cylinder block (6010).