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Relay center
The relay center is located along the passenger side A-pillar on the right
side of the footwell.
Relay
locationRelay description
R1 Spring applied hydraulic release warning chime module
R2 A/C compressor clutch
R3 Power windows
R4 Flasher (standard/LED)
R5 Upfitter relay 1
R6 Upfitter relay 2
R7 Headlights
R8 Spare
R9 Upfitter relay 3
R10 Starter
R11 DCU
R12 Two–speed axle/Differential lock
R13 Door lock
R14 Air tank moisture valve
R15 DRL #1
R16 Heated mirrors
R17 Spare
R18 Upfitter relay 4
R19 PRNDL display
R20 Selective Catalyst Reduction (SCR) system (NOx)
R1
R9 R10 R11 R12 R13 R14 R15 R16 R17
R18 R19 R20 R21 R22 R23 R24 R25 R26
R2 R3 R4 R5 R6 R7 R8
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Relay
locationRelay description
R21 Run
R22 Door unlock
R23 ABS warning indicator
R24 DRL #2
R25 Park lights
R26 Spare
Trailer tow relays (if equipped)
Fuse/Relay
LocationFuse Amp
RatingDescription
1 30A* Trailer tow ABS feed (non electric trailer
brake vehicles only)
2 30A* Trailer tow park/marker lamps
3 30A* Trailer tow stop lamps
4 30A* Trailer tow turn/stop lamps (combined)
Trailer tow turn lamps (separate)
5 — Not used
R1 — Trailer tow ABS relay (non electric trailer
brake vehicles only)
Roadside Emergencies
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Component Lubrication typeViscosity / Ambient
temperature / NotesEquivalent Ford part
name / number
Meritor (extended
drain lubricants)Petroleum with
extended drain
additives of API GL-5
quality meeting
MIL-PRF-2105E
specifications including
synthetic lubricants.SAE 75W-90:
Above –40°F (–40°C)
(full synthetic)MotorcraftSAE
75W-140 Synthetic
Rear Axle Lubricant /
XY–75W140–QL
SAE 75W-140:
Above –40°F (–40°C)
(full synthetic)
SAE 80W-90:
Above –15°F (–26C)
(semi-synthetic)MotorcraftSAE
80W-90 Premium Rear
Axle Lubricant /
XY-80W90-QL
SAE 80W-90:
Above –15°F (–26C)
Cab components
Hydraulic lift pump
fluidDexronIII — MotorcraftMERCON
Multi-Purpose ATF /
XT-2-QDX
Cab latch and lock
leversMobile SHC 32 Low
Temperature Lubricant
(or equivalent)——
Cab latch pivots; Door
check, hinges, latches
and strikers; Seat
adjuster slidesGC/LB NLGI #2 lithium
complex-based moly
grease (or equivalent)
or multi-purpose
lithium complex grease— MotorcraftPremium
Long Life Grease /
XG-1-C
Maintenance and Specifications
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Component Lubrication typeViscosity / Ambient
temperature / NotesEquivalent Ford part
name / number
Cab latch pivot pins Light engine oil — MotorcraftSAE
5W-30 Super Premium
Motor Oil /
XO-5W30-QSP
Door lock cylinders Lock oil — Motorcraft
Penetrating and Lock
Lubricant / XL-1
Door window
regulatorsNGLI #2 multipurpose
lithium complex grease— Motorcraft
Multi-Purpose Grease
Spray / XL-5 or
Motorcraft
Multi-Purpose Grease /
XG-4
Weatherstripping Silicone lubricant — MotorcraftSilicone
Spray / XL-6
Engine oil
Refer to engine operator manual
Brake fluid
Master cylinder DOT 3, WSS-M6C62-A
or WSS-M6C65-A1— High Performance DOT
3 Motor Vehicle Brake
Fluid, PM-1-C (U.S.) or
CPM-1-C (Canada)
Maintenance and Specifications
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Maintenance operation Frequency/Observation
Check the transmission and
engine mountings
(2)Hard shifting or excessive vibration.
Check and adjust transmission
controls
(2)High effort to shift or noisy
transmission.
Check fuel pump pressure Insufficient full-throttle power or
backfiring.
Clean radiator cap seal. Clean
and inspect the cap surface on
the radiatorWhen the cap does not hold pressure.
Check the battery terminals for
corrosionWhenever electrical power supply has
diminished.
Tighten the wheel mounting
nuts to the specified torque.
Refer toWheelsin the
Maintenance and
SpecificationschapterRequired initially at 500 and
1000 miles (800 and 1600 km).
Perform again at 500 and 1000 mile
(800 and 1600 km) intervals after
each tire removal/replacement.
Clean body/door drain holes At least twice annually.
Clean windshield wiper blades As required.
Replace windshield wiper
bladesIf wiping the blades with a clean cloth
and mild detergent and washing with
a cleaner does not restore a clean
wipe.
Lubricate body lock cylinders Noisy or difficult to operate.
Check headlamp alignment Lamp beams in wrong position when
vehicle operating loaded.
Check windshield washer fluid
level; add fluid if requiredIf washes do not spray when operated.
1During maintenance and repair, protect the fuel tube and the hose
assemblies, the power steering lines, and the brake lines from the
external heat, the acids and the abrasion that could damage the lines.
2Check for (free) linkage action and ensure that (return) spring force
is adequate to maintain pedal free play.
3Adjust, repair or replace as required with the same or equivalent
parts.
Scheduled Maintenance Guide
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ON-HIGHWAY - 60,000 MILES (96,000 KM) OR MORE ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1,000) 15 30 45 60 75 90 105 120 135 150
Kilometers (x 1,000) 24 48 72 96 120 144 168 192 216 240
Months 3 6 9 12 15 18 21 24 27 30
Rear axle
Eaton/Dana/Spicer - check level••••••••••
Eaton/Dana/Spicer - petroleum oil - change••
Eaton/Dana/Spicer - synthetic oil - change Factory fill w/synthetic at 500,000 miles (800,000 km);
Converted to synthetic at 250,000 miles (400,000 km) or 3 years
Meritor - check level Every 25,000 miles (40,000 km) or fleet maintenance interval,
whichever comes first
Meritor - filter change Every 100,000 miles (160,000 km)
Meritor - petroleum oil - change Every 100,000 miles (160,000 km) or annually, whichever comes
first
Meritor - synthetic oil - change Linehaul: every 500,000 miles (800,000 km), or 4 years,
whichever comes first
Intercity coach: every 250,000 miles (400,000 km), or 4 years,
whichever comes first
Cab components
Door hinges/latches/strikers - lubricate, check link••
Door lock cylinders - lubricate••
Seat adjuster slides - lubricate••
Diesel exhaust fluid (DEF) system
Check and refill DEF system••••••••••
Scheduled Maintenance Guide
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ON-HIGHWAY - 60,000 MILES (96,000 KM) OR MORE ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1,000) 165 180 195 210 225 240 255 270 285 300
Kilometers (x 1,000) 264 288 312 336 360 384 408 432 456 480
Months 33 36 39 42 45 48 51 54 57 60
Rear axle
Eaton/Dana/Spicer - check level••••••••••
Eaton/Dana/Spicer - petroleum oil - change•••
Eaton/Dana/Spicer - synthetic oil - change Factory fill w/synthetic at 500,000 miles (800,000 km);
Converted to synthetic at 250,000 miles (400,000 km) or 3 years
Meritor - check level Every 25,000 miles (40,000 km), or fleet maintenance interval,
whichever comes first
Meritor - filter change Every 100,000 miles (160,000 km)
Meritor - petroleum oil - change Every 100,000 miles (160,000 km) or annually, whichever comes
first
Meritor - synthetic oil - change Linehaul: every 500,000 miles (800,000 km), or 4 years,
whichever comes first
Intercity coach: every 250,000 miles (400,000 km), or 4 years,
whichever comes first
Cab components
Door hinges/latches/strikers - lubricate, check link•••
Door lock cylinders - lubricate•••
Seat adjuster slides - lubricate•••
Diesel exhaust fluid (DEF) system
Check and refill DEF system••••••••••
Scheduled Maintenance Guide
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CITY - 60,000 MILES (96,000 KM) OR FEWER ANNUALLY (Continued)
(Miles, kilometers or months - whichever occurs first)
Miles (x 1,000) 10 20 30 40 50 60 70 80 90 100
Kilometers (x 1,000) 16 32 48 64 80 96 112 128 144 160
Months 3 6 9 12 15 18 21 24 27 30
Rear axle
Eaton/Dana/Spicer - check level••••••••••
Eaton/Dana/Spicer - petroleum oil - change••
Meritor - check level Every 10,000 miles (16,000 km), once a month or fleet
maintenance interval, whichever comes first
Meritor - filter change Every 100,000 miles (160,000 km)
Meritor - petroleum oil - change Every 50,000 miles (80,000 km) or annually, whichever comes
first
Meritor - synthetic oil - change Every 250,000 miles (400,000 km) or every 3 years, whichever
comes first
Cab components
Door hinges/latches/strikers - lubricate, check link•••
Door lock cylinders - lubricate•••
Seat adjuster slides - lubricate•••
Diesel exhaust fluid (DEF) system
Check and refill DEF system••••••••••
Scheduled Maintenance Guide
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2011 F-650/750(f67)
Supplement, 2nd Printing
USA(fus)