F 150 2WD Pickup V8-4.6L CNG SOHC VIN 9 (1997)
3. Loosely install the 12 short main control valve body bolts.
NOTE: The main control valve body bolts will be tightened in later steps.
4. Install the manual valve detent spring.
(1) Position the manual valve detent spring.
(2) Install the bolt.
5. Tighten the main control valve body bolts in the sequence shown.
