F 250 4WD LD Pickup V8-5.4L SOHC VIN L (1997)
9. Remove the two plenum assembly nuts (engine side).
10. Disconnect the A/C vacuum hose from the A/C vacuum check valve.
11. Remove the two plenum assembly nuts (interior).
12. Remove the plenum assembly.
INSTALLATION
1. Position the plenum assembly and install the two nuts.
