Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
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Vacuum Advance Control Solenoid: Testing and Inspection
Fig 50 Vacuum Solenoid Valve:
1.
Connect vacuum to port 2 of valve, Fig. 50.
2.
Start engine and turn off A/C.
3.
Manifold vacuum should be indicated on gauge.
4.
Turn on A/C and accelerate engine. Ported vacuum should be indicated on gauge.
5.
If operation is not as described above, replace valve.
