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Volvo Workshop Service and Repair Manuals

Exhaust Gas Recirculation|System Diagnosis > < B21A Engine W/ Automatic Transmission (Canada Only)|Page 1387
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Fig. 41 THERMOSTAT

THERMOSTAT
The thermostat allows vacuum to the E.G.R. valve only when the engine is hot. The wax-type thermostat is closed until the engine coolant temperature
reaches around 60°C (140°F). Fig. 41.

Fig. 45 E.G.R. REMINDER LIGHT

E.G.R. REMINDER LIGHT
A reminder light will automatically come on every 15,000 miles (25,000 kilometers) to indicate that the E.G.R. system needs inspection. Fig. 45.

Exhaust Gas Recirculation|System Diagnosis > < B21A Engine W/ Automatic Transmission (Canada Only)|Page 1387