Vanagon Syncro AWD F4-2109cc 2.1L (MV) (1989)
Oil Pressure Sender: Testing and Inspection
Oil Pressure Switch Checking
Checking Oil Pressure Switch 0.9 bar (13.1 psi)
NOTE: 0.9 bar (13.1 psi) switch is located near oil pump.
Work Procedure:
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push back exhaust cover plate (mounting screw under oil pump) with screw driver
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remove 0.9 bar (13.1 psi) switch
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screw oil pressure switch into tester VW1342
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connect wire 1 (blue)
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screw tester into crankcase in place of oil pressure switch
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connect test lamp 2 to wire 1 and alternator positive connection
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ground wire 3 (brown)
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start engine, slowly raise RPM
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at tester reading 0.75-1.05 bar (10.9-14.8 psi) test lamp must light UP, replace oil pressure switch if tester does not light
NOTE: As necessary, check switching point of oil pressure switch at starting RPM.
Checking Oil Pressure Switch 0.3 bar (4.4 psi)
NOTE:
Tester connections are identical to 0.9 (13.1 psi) switch.
0.3 bar (4.4 psi) oil pressure switch located between left side push rod tubes.
Work Procedure: