LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2019 >> F-450 Super Duty Limited >> Repair and Diagnosis >> General Information >> Specifications Index >> Common Specifications & Procedures >> Common Specifications & Procedures
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Common Specifications & Procedures

COMMON SPECIFICATIONS & PROCEDURES - F250-F550

System Specification/Procedure
Air Conditioning
Service Specifications
Torque Refer to the appropriate component in Removal And Installation
Battery Specifications
Wheel Hub Nuts
Vehicles With: Dana M275/Dana M300 Stage 1: 70 lb.ft (95 Nm)
Stage 2: Loosen: 90°
Stage 3: 18 lb.ft (24 Nm)
Vehicles With: Ford 10.5 Inch Ring Gear Stage 1: 70 lb.ft (95 Nm)
Stage 2: Loosen: 180°
Stage 3: 22 lb.ft (30 Nm)
Brakes
Bleeding Sequence RR, LR, RF, LF
Brake System Pressure Bleeding
Front Disc Brakes w/Torque Refer to appropriate component in Removal And Installation .
Rear Disc Brakes w/Torque Refer to appropriate component in Removal And Installation .
Charging
Generator w/Torque
Gasoline Engine Generator - 6.2L V8
Generator - 6.8L Triton-30V - V10
6.7L Diesel, Single Generator Generator - 6.7L Power Stroke Diesel
Drive Belts
Adjustment
6.2L V8 Accessory Drive
6.8L Triton-30V - V10 Accessory Drive
6.7L Power Stroke Diesel Accessory Drive
Belt Routing 6.2L V8
Accessory Drive - Component Location
6.8L Triton-30V - V10
Accessory Drive - Component Location
6.7L Power Stroke Diesel
Accessory Drive - Component Location
Engine Cooling
Specifications
6.2L V8 Specifications
6.8L Triton-30V - V10 Specifications
6.7L Power Stroke Diesel Specifications
Radiator Cap Pressure
Use individual readings listed on the pressure relief cap
Thermostat R & I
6.2L V8 Thermostat
6.8L Triton-30V - V10 Thermostat
6.7L Power Stroke Diesel Thermostat
6.7L Diesel Powertrain Secondary Cooling Thermostat
Water Pump R & I
6.2L V8 Coolant Pump
6.8L Triton-30V - V10 Coolant Pump
6.7L Power Stroke Diesel Coolant Pump
6.7L Diesel Powertrain Secondary Cooling Coolant Pump .
Engine Mechanical
6.2L V8
Compression Specifications
Oil Pressure Minimum oil pressure at idle (engine at normal operating temperature)
8.0 psi (55 kPa)
Overhaul Specifications
Torque Refer to the appropriate component in Removal And Installation
6.8L Triton-30V - V10
Compression Specifications
Oil Pressure Oil pressure 93.33°C (200°F) @ 2, 000 rpm
40-75 psi (276-517 kPa)
Overhaul Specifications
Torque Refer to the appropriate component in Removal And Installation .
6.7L Power Stroke Diesel
Compression Specifications
Oil Pressure Oil pressure (hot @ 700 rpm) minimum - 10 psi (68.9 kPa)
Oil pressure (hot @ 1200 rpm) minimum - 20 psi (137.8 kPa)
Oil pressure (hot @ 1, 800 rpm) minimum - 35 psi (241.3 kPa)
Overhaul Specifications
Torque Refer to the appropriate component in Removal And Installation
Fluid Specifications See FLUIDS under MAINTENANCE tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button.
Flywheel/Flex Plate Torque
Automatic/Manual
6.2L V8

For tightening sequence for Flexplate/Flywheel, refer to Flexplate /Flywheel


Stage 1: Tighten fasteners 1 through 4 in sequence to 20 Nm (177 lb-in)
Stage 2: Tighten fasteners 1 through 4 in sequence to 35 Nm (26 lb-ft)
Stage 3: Tighten fasteners 1 through 4 sequence an additional 60 degrees
Stage 4: Tighten fasteners 5 through 8 in sequence to 20 Nm (177 lb-in)
Stage 5: Tighten fasteners 5 through 8 in sequence to 35 Nm (26 lb-ft)
Stage 6: Tighten fasteners 5 through 8 in sequence an additional 60 degrees
6.8L Triton-30V - V10

For tightening sequence, refer to Flexplate


80 Nm (59 lb-ft)
6.7L Power Stroke Diesel

For tightening sequence, refer to Flexplate


Stage 1: Tighten to 44 lb.in (5 Nm)
Stage 2: Tighten to 48 lb.ft (65 Nm)
Stage 3: 90°
Fuel System
Fuel Filter Location
Gasoline Lifetime filter part of Fuel Pump Module.
Diesel Main filter is part of the Fuel Conditioning Module LH side rail.
Secondary fuel filter located in engine compartment.
Fuel Filter R & I
6.2L V8 Fuel Pump And Sender Unit
6.8L Triton-30V - V10 Fuel Pump And Sender Unit
6.7L Power Stroke Diesel Fuel Filter
Pressure Release Procedure
6.2L V8 Fuel System Pressure Release
6.8L Triton-30V - V10 Fuel System Pressure Release
6.7L Power Stroke Diesel Fuel System Pressure Release
Pressure Specification
6.2L V8 Specifications
6.8L Triton-30V - V10 Specifications
6.7L Power Stroke Diesel Specifications
Fuel Pressure Test Procedure
6.2L V8 Fuel System Pressure Check
6.8L Triton-30V - V10 Fuel System Pressure Check
6.7L Power Stroke Diesel Fuel System Pressure Check
Ignition
Firing Order & Cylinder Identification Firing Order & Cylinder Identification
Ignition Routing Engines have coil-on-plug ignition.
Spark Plugs/Glow Plugs
Type
6.2L V8 CYFS-12-FP
6.8L Triton-30V - V10 HJFS 24FP
Part number shown is for pricing only. For proper application, refer to local supplier.
6.7L Power Stroke Diesel BC3Z 12A342 C
Gap
6.2L V8 0.042 - 0.046 in (1.07 - 1.17 mm)
6.8L Triton-30V - V10 0.039 - 0.043 in (1 -1.1 mm)
Torque
6.2L V8 18 lb.ft (24 Nm)
6.8L Triton-30V - V10 115 lb.in (13 Nm)
6.7L Power Stroke Diesel Stage 1: 35 lb.in (4 Nm)
Stage 2: 50°
Starting
Starter w/Torque
6.2L V8 18 lb.ft (25 Nm)
6.8L Triton-30V - V10 18 lb.ft (25 Nm)
6.7L Power Stroke Diesel 18 lb.ft (25 Nm)
Wheel Alignment
Adjustment Specifications Specifications
Torque General Procedures
Wheel & Tire
Vehicles With: Single Rear Wheels For tightening sequence, refer to Wheel And Tire - Vehicles With: Single Rear Wheels .
150 lb.ft (204 Nm)
Vehicles With: Dual Rear Wheels For tightening Sequence, refer to Wheel And Tire - Vehicles With: Dual Rear Wheels .
165 lb.ft (224 Nm)