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 MANUALSPORSCHE1982928 AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALEXHAUSTAIR INJECTION SYSTEMMAINTENANCE

1982 Porsche 928 Automatic Trans

Air Injection System: Maintenance

1982 Porsche 928 Automatic TransSECTION Maintenance

Every 15, 000 miles the air intake filter should be replaced. At this time, also fully inspect the air injection system for any obvious defects. Replace other items as necessary.

Fig 1: Showing the Air Intake Filter

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

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.