The exhaust gas turbocharger is mounted at the right side of the engine under the exhaust manifold. In contrast to the 930, the pop-off valve (8) on the 924 is located directly in the compressor housing between the inlet and outlet.

Porsche Boost Pressure Switch

The most important components are:

1 — Compressor housing (inlet side)

3 - Rotor shaft

4 — Turbine housing

7 — Compressor housing (outlet side)

Porsche Boost Pressure Switch

Boost Pressure Safety Switch

Boost Pressure Safety Switch

The safety switch is located in the pressure duct between the turbocharger and throttle valve housing. When the boost pressure increases to a value of 1.1 - 1.4 bar, the safety switch will switch the two fuel pumps off.

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