K 1500 Truck 4WD V8-5.7L VIN R (1997)
Vacuum Brake Booster Check Valve: Description and Operation
Vacuum is supplied to the. booster by a pipe located on the left side of the intake manifold. A flexible hose connects the pipe to the booster check valve.
The check valve is mounted in a grommet on the front of the booster assembly.
