1982 Saab 900 S, 2D Hatchback, Automatic TransFACTORY OEM SERVICE PROCEDURE

Exhaust Gas RECIRCULATION: Description

The Saab exhaust gas recirculation system is designed to recycle a small portion of exhaust gas into intake system. This reduces combustion chamber temperatures and lowers NOx emissions. Turbo models use a single stage EGR valve, thermal vacuum valve, orifice and throttle port vacuum source. Non-Turbo models use a EGR valve, thermal switch, and 2 throttle ports as a vacuum source.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.