G 500 (463.249) V8-5.0L (113.962) (2003)
Auxiliary Cabin Heater: Description and Operation
Fuel Metering Pump
Fuel Metering Pump
Illustrated On Model 210
Task
The STH or heater booster STH fuel metering pump (Y23)
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delivers the fuel that is needed for combustion to the STH or heater booster heater.
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blocks the fuel supply line if the STH or heater booster heater has stopped.
Glow Pin
Glow Pin