Crown Victoria V8-4.6L CNG SOHC VIN 9 (1999)
NOTE
THE INDEX MARKS ON THE OUTPUT SHAFT, DRIVESHAFT, AND REAR AXLE MUST BE ALIGNED. THE BALANCE MARK ON THE
OUTPUT SHAFT AND THE BALANCE MARK ON THE DRIVESHAFT MUST BE ALIGNED (FIGURE 1). FURTHER, ALIGNMENT OF
THE INDEX MARKS ON THE REAR DRIVESHAFT TUBE AND REAR AXLE FLANGE MUST BE PERFORMED (FIGURE 2).
5.
If the vehicle is equipped with "EPS" level rear springs, replace the rear springs with the revised "GNX" level Springs (F8AZ-5560-GA). Refer to
the Workshop Manual for details.
6.
Using New Generation Star (NGS) Tester, check the Powertrain Control Module (PCM) calibration. Refer to Step 7.
7.
Access PCM, select "MODULE I.D.". If the module part number is XW7F-CE then the vehicle has the latest level calibration (9VNA-AA) with a
vehicle maximum speed of 202 km/h (126 mph). Do not reprogram the PCM. If the module l.D. is not XW7F-CE, reprogram the PCM to the latest
level (9VNA-AA) using an NGS Tester or Service Bay Diagnostic System (SBDS).
8.
Verify transmission fluid level.
