E 300 (124.131) L6-3.0L DSL (606.910) (1995)
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Vacuum Pump: Testing and Inspection
Testing Vacuum Pump
Testing vacuum pump
Engine temperature < 20°C (reference value)
Disconnect main vacuum line (B) at brake booster (A).
Detach vacuum line at ancillaries connection (c). Use 0.8 mm gauge to check clear passage of restriction drilling.
Connect vacuum tester (019) to ancillaries connection (c) and test vacuum with engine idling.
Specification: 700 mbar after 30 s.
If the specified vacuum is not achieved. replace vacuum.
