Scheduled Maintenance Guide 6th Printing
Page 35
... synthetic lubricant and light duty trucks equipped with 75W140 synthetic gear lubricant meeting Ford specification WSL-M2C192-A, part number F1TZ-19580-B or equivalent. Non-synthetic rear axle lubricants should be checked or changed anytime an axle has...changed unless a leak is suspected, service is required or the axle assembly has been submerged in water. 35 2003 Universal Service Guide (usg) Universal Service Guide USA English (fus) Normal Schedule Normal Schedule Natural Gas and Propane.../E-550 Every two years - Inspect NGV fuel tanks Every 5 years from vehicle build date -
... synthetic lubricant and light duty trucks equipped with 75W140 synthetic gear lubricant meeting Ford specification WSL-M2C192-A, part number F1TZ-19580-B or equivalent. Non-synthetic rear axle lubricants should be checked or changed anytime an axle has...changed unless a leak is suspected, service is required or the axle assembly has been submerged in water. 35 2003 Universal Service Guide (usg) Universal Service Guide USA English (fus) Normal Schedule Normal Schedule Natural Gas and Propane.../E-550 Every two years - Inspect NGV fuel tanks Every 5 years from vehicle build date -