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.

2004 Saab 9-5 Linear, AutomaticFACTORY OEM SERVICE PROCEDURE

Valve gear: Notes

Fig 1: Measuring Diameter Valve

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Exhaust valve

Inlet valve

VALVE TECHNICAL SPECIFICATION

		Exhaust valve	Inlet valve
A A Nimonic	mm mm	4.9575 +/-0.0075 4.9725 +/-0.0075	4.9775 +/- 0.0075
B	mm	29 +/- 0.1	33 +/- 0.1
C	mm	107.84	107.3
D	mm	1.5 - 2.0	1.0 - 1.5
E	°	44.5 +/-0.167	45.25 +/- 0.25

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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.