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ENGINE SPECIFICATIONS
6.8L EngineEngine
415 in³ (6,800 cm³)Displacement
1-6-5-10-2-7-3-8-4-9Firing order
Coil on plugIgnition system
0.039 in (1 mm) - 0.043 in (1.1 mm)Spark plug gap
9.2:1Compression ratio
Drivebelt Routing
Engines with Air Conditioning
Engines without Air Conditioning
MOTORCRAFT PARTS
Motorcraft Part numberComponent
FA-1782Air filter element
BH-31-XTBattery (F-53 stripped chassis and F-59step van ramp prep package)
BH-31-XTBattery (F-59 step van)
FL-820-SOil filter
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Motorcraft Part numberComponent
SP-509Spark plugs
FT-187Transmission fluid filter
We recommend Motorcraft replacement parts available at your Ford dealer or atfordparts.com for scheduled maintenance. These parts meet or exceed Ford MotorCompany’s specifications and are engineered for your vehicle. Use of other parts mayimpact vehicle performance, emissions and durability. Your warranty may be void for anydamage related to use of other parts.
If a Motorcraft oil filter is not available, use an oil filter that meets industry performancespecification SAE/USCAR-36.
For spark plug replacement, contact an authorized dealer. Replace spark plugs at theappropriate intervals. See Scheduled Maintenance (page 145).
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VEHICLE IDENTIFICATION
NUMBER
The vehicle identification number is on theback of the steering member at one of thefollowing locations.
Note:The body builder will include anadditional VIN tag that could be on thedriver side of the dash, the A pillar, or in thearea of the driver door.
Motorhome Chassis
Commercial Chassis
If you ever find it necessary tocommunicate with Ford Motor Companyabout your vehicle, always include the VINin your communication. The VehicleIdentification Number (VIN) contains thefollowing information:
World manufacturer identifierA
Brake system, Gross VehicleWeight Rating, Restraint Devicesand their locations
B
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Make, vehicle line, series, bodytypeC
Engine typeD
Check digitE
Model yearF
Assembly plantG
Production sequence numberH
VEHICLE CERTIFICATION
LABEL
The National Highway Traffic SafetyAdministration Regulations require that aSafety Compliance Certification Label beaffixed to a vehicle and prescribe wherethe Safety Compliance Certification Labelmay be located. The Safety ComplianceCertification Label shall be affixed to eitherthe door hinge pillar, the door latch post,or the edge of the door near the door latch,next to the driver's seating position.
TRANSMISSION CODE
DESIGNATION
The transmission code is on the SafetyCompliance Certification Label. Thefollowing table shows the transmissioncode along with the transmissiondescription.
CodeDescription
PSix Speed Automatic Transmission (6R140)
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CAPACITIES AND SPECIFICATIONS
Capacities
WARNING: The air conditioning refrigerant system contains refrigerant underhigh pressure. Only qualified personnel should service the air conditioning refrigerantsystem. Opening the air conditioning refrigerant system can cause personal injury.
CapacityItem
7.0 qt (6.6 L)Engine oil (with oil filter)
30.6 qt (29 L)Engine coolant
Between MIN/MAX on brake fluid reservoirBrake fluid
4.1 qt (3.9 L)Rear axle lubricant(Dana M80 axle)
8.0 qt (7.6 L)Rear axle lubricant(Dana S110 axle)
7.0 qt (6.6 L)Rear axle lubricant(Dana S130 axle)
16.0 qt (15.1 L)Rear axle lubricant(Dana Spicer 107060S axle)
17.2 qt (16.3 L)1Automatic transmission fluid
Keep in FULL range on dipstickPower steering fluid
Fill as requiredWindshield washer fluid
80 gal (303 L)Fuel tank (Motorhome)
40 gal (151 L)Fuel tank (Commercial chassis)
44 oz (1.25 kg)A/C refrigerant
8.8 fl oz (260.2 ml)A/C refrigerant compressor oil
1 Approximate dry fill capacity. Actual amount may vary during fluid changes.
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Specifications
Materials
SpecificationName
WSS-M2C945-B1Motor oil (U.S.):Motorcraft® SAE 5W-20 Premium Synthetic Blend MotorOilXO-5W20-QSP
WSS-M2C945-B1Motor oil (Canada):Motorcraft® SAE 5W-20 Super Premium Motor OilCXO-5W20-LSP12
WSS-M2C946-B1Optional Motor oil (U.S.):Motorcraft® SAE 5W-30 Premium Synthetic Blend MotorOilXO-5W30-QSP
WSS-M2C946-B1Optional Motor oil (Canada):Motorcraft® SAE 5W-30 Super Premium Motor OilCXO-5W30-LSP12
WSS-M97B44-D2Engine coolant (U.S.):Motorcraft® Orange Prediluted Antifreeze/CoolantVC-3DIL-B
WSS-M97B44-D2Engine coolant (Canada):Motorcraft® Orange Prediluted Antifreeze/CoolantCVC-3DIL-B
WSS-M6C65-A11Brake fluid (U.S.):Motorcraft® High Performance DOT 3 Motor VehicleBrake FluidPM-1-C
WSS-M6C65-A11Brake fluid (Canada):Motorcraft® High Performance DOT 3 Motor VehicleBrake FluidCPM-1-C
WSS-M6C65-A32Brake fluid:Motorcraft® DOT 5.1 Motor Vehicle Brake FluidPM-21
WSL-M2C192-ARear axle lubricant (U.S.):Motorcraft® SAE 75W-140 Synthetic Rear Axle LubricantXY-75W140-QL
WSL-M2C192-ARear axle lubricant (Canada):
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SpecificationName
Motorcraft® SAE 75W-140 Synthetic Rear Axle LubricantCXY-75W140-1L
WSS-M2C938-AAutomatic transmission fluid and power steering fluid(U.S.):MERCON® LVMotorcraft® MERCON® LV Automatic Transmission FluidXT-10-QLVC
WSS-M2C938-AAutomatic transmission fluid and power steering fluid(Canada):MERCON® LVMotorcraft® MERCON® LV Automatic Transmission FluidCXT-10-LV12
WSS-M14P19-AWindshield washer fluid (U.S.):Motorcraft® Premium Windshield Wash Concentratewith BitterantZC-32-B2
WSS-M14P19-AWindshield washer fluid (Canada):Motorcraft® Premium Quality Windshield Washer FluidCXC-37-(A, B, D, F)
WSH-M17B19-AA/C refrigerant (U.S.):Motorcraft® R-134a RefrigerantYN-19
WSH-M17B19-AA/C refrigerant (Canada):R-134a RefrigerantCYN-19-R
WSH-M1C231-BA/C refrigerant compressor oil:Motorcraft® PAG Refrigerant Compressor OilYN-12-D
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SpecificationName
ESA-M1C75-BTransmission, steering, parking linkages and pivots andbrake pedal shaft grease:Premium Long-Life GreaseXG-1-E1
ESB-M1C93-BMulti-purpose grease:Motorcraft® Multi-Purpose Grease SprayXL-5-A
1 Motorcraft® DOT 3 High Performance Motor Vehicle Brake Fluid is for vehicles withHydroboost brake booster systems. This include chassis with gross vehicle weight ratingsof 16,000 lb (7257 kg), 18,000 lb (8165 kg) and 19,500 lb (8845 kg).2 Motorcraft® DOT 5.1 Motor Vehicle Brake Fluid is for vehicles with Hydromax brakebooster systems. This includes chassis with gross vehicle weight ratings of 19,500 lb(8845 kg), 20,500 lb (9299 kg), 22,000 lb (9979 kg), 24,000 lb (10886 kg) and 26,000lb (11793 kg).
If you use oil and fluids that do not meetthe defined specification and viscositygrade, this may lead to:
•Component damage which is notcovered by the vehicle warranty.
•Longer engine cranking periods.
•Increased emission levels.
•Reduced engine performance.
•Reduced fuel economy.
•Degraded brake performance.
We recommend Motorcraft® motor oil foryour vehicle. If Motorcraft® oil is notavailable, use motor oils of therecommended viscosity grade that meetAPI SN Plus requirements and display theAPI Certification Mark for gasoline engines.Do not use oil labeled with API SN Plusservice category unless the label alsodisplays the API certification mark.
An oil that displays this symbol conformsto current engine, emission system andfuel economy performance standards ofILSAC.
Do not use supplemental engine oiladditives because they are unnecessaryand could lead to engine damage that maynot be covered by your vehicle warranty.
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