Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC2004AZTEK AWD V6-3.4L VIN EREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYSYSTEM SPECIFICATIONSGENERAL VALVE SPECIFICATIONS
2004 Pontiac Aztek AWD V6-3.4L VIN E
General Valve Specifications
2004 Pontiac Aztek AWD V6-3.4L VIN ESECTION General Valve Specifications
GENERAL SPECIFICATIONS
Valves
Valve Face Angle 45 degrees
Valve Seat Angle 46 degrees
Valve Seat Depth - Intake - from deck face 7.9-8.1 mm (0.311-0.318 inch)
Valve Seat Depth - Exhaust - from deck face 8.9-9.1 mm (0.350-0.358 inch)
Valve Seat Runout 0.037 mm (0.0015 inch)
Valve Seat Width - Intake 1.55-1.80 mm (0.061-0.071 inch)
Valve Seat Width - Exhaust 1.70-2.0 mm (0.067-0.079 inch)
Valve Stem-to-Guide Clearance 0.026-0.068 mm (0.0010-0.0027 inch)
Valve Lifters/Push Rods
Push Rod Length - Intake 146.0 mm (5.75 inch)
Push Rod Length - Exhaust 152.5 mm (6.0 inch)
Valve Springs
Valve Spring Free Length 48.5 mm (1.89 inch)
Valve Spring Installed Height 43.2 mm (1.701 inch)
Valve Spring Load - Closed 320 N @ 43.2 mm (75 lb @ 1.701 inch)
Valve Spring Load - Open 1036 N @ 32 mm (230 lb @ 1.260 inch)
Valve Spring Total Number of Coils 6.55
Valves
Valve Face Angle 45 degrees
Valve Seat Angle 46 degrees
Valve Seat Depth - Intake - from deck face 7.9-8.1 mm (0.311-0.318 inch)
Valve Seat Depth - Exhaust - from deck face 8.9-9.1 mm (0.350-0.358 inch)
Valve Seat Runout 0.037 mm (0.0015 inch)
Valve Seat Width - Intake 1.55-1.80 mm (0.061-0.071 inch)
Valve Seat Width - Exhaust 1.70-2.0 mm (0.067-0.079 inch)
Valve Stem-to-Guide Clearance 0.026-0.068 mm (0.0010-0.0027 inch)
Valve Lifters/Push Rods
Push Rod Length - Intake 146.0 mm (5.75 inch)
Push Rod Length - Exhaust 152.5 mm (6.0 inch)
Valve Springs
Valve Spring Free Length 48.5 mm (1.89 inch)
Valve Spring Installed Height 43.2 mm (1.701 inch)
Valve Spring Load - Closed 320 N @ 43.2 mm (75 lb @ 1.701 inch)
Valve Spring Load - Open 1036 N @ 32 mm (230 lb @ 1.260 inch)
Valve Spring Total Number of Coils 6.55
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.