F 150 4WD Pickup V8-281 4.6L VIN W EFI (1997)
3. Check the following components for part number orientation.
4. On REP engines, install the timing chain guides.
1. Position LH timing chain guide.
2. Install and torque the LH timing chain guide bolts.
3. Position the RH timing chain guide.
4. Install and torque the RH timing chain guide bolts.