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.

2005 Saab 9-5 Linear, AutomaticFACTORY OEM SERVICE PROCEDURE

Piston classification

PISTON CLASSIFICATION

AB	mm	89.964 - 89.975
B	mm	89.975 - 89.982
First oversize (+0.5)	mm	90.457 - 90.475
Second oversize (+1.0)	mm	90.957 - 90.975
Piston clearance, nominal	mm	0.025 - 0.056

Factory Service Tools

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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.