Peterbilt Medium Duty Truck Owner's Manual - Peterbilt Motors

Engine Maintenance
Preventive Maintenance
If entrapped water exceeds sump volume, you can
either:
A. Close valve and run engine until smooth idle is
established, then repeat drain procedures, or
B. Remove filter from mounting head, completely drain
all fluid, and reassemble filter assembly. Be sure to
follow new filter assembly instructions.
2. Close drain valve by turning valve screw clockwise
approximately 1 1/2 to 2 turns.
Emission Components
Deisel Exhaust Fluid Tank
Fuel Tanks
CAUTION: Do not overtighten the valve. Overtightening
can damage the threads.
1. Inspect fuel tanks, fuel hoses, and fittings to ensure
proper positioning and fastening; check for leaks.
2. Inspect mounting brackets, straps, and pins to ensure
proper positioning & fastening every 15,000 miles/
24,000 km (see label on fuel tank and data below):
Type of Tank
Aluminum
Tank Strap T-Bolt Nut Torque
30 Lb. ft. (41 Nm)
Cylindrical Steel 8 Lb. ft. (11 Nm)
Vehicles that comply with 2010 EPA emission requirements
will have a Deisel Exhaust Fluid (DEF) tank mounted to the
vehicle frame. During normal operating situations, your vehicle
may consume 2-3 gallons of DEF for every 100 gallons of
deisel fuel. Be sure to maintain sufficient fluid in the DEF tank
for proper vehicle performance.
Specifications of the DEF
– 176 – Y53-6027 Medium Duty (R05/09)