Galant VR4 AWD L4-1997cc 2.0L DOHC Turbo (1992)
Air Bypass Valve: Testing and Inspection
Intercooler, Piping And Components
1.
Remove the air bypass valve. Refer to COMPONENT REPLACEMENT AND REPAIR PROCEDURES.
Air Bypass Valve Vacuum Test
2.
Connect a hand vacuum pump to the fitting of the air bypass valve.
3.
Apply a vacuum of approx. 15.7 in.Hg., Check that the valve starts to open, and that the valve holds vacuum without bleeding off.
