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Hydroboost Brake System
Capacities
Quantity
Variant
Fill as required.
All.
Materials Specification
Name
WSS-M6C65-A3
Motorcraft® DOT 5.1 Motor Vehicle Brake Fluid(U.S.)
Motorcraft® DOT 5.1 Motor Vehicle Brake Fluid /
Liquide de frein automobile DOT 5.1 Motor-
craft®(Canada)
PM-21(U.S. & Canada)
Note: Motorcraft® DOT 5.1 Motor Vehicle
Brake Fluid is for vehicles with Hydroboost
brake booster systems. We recommend
using DOT 5.1 Motor Vehicle Brake Fluid or
equivalent meeting WSS-M6C65-A3. This
includes chassis with gross vehicle weight
ratings of 16,000 lb (7,257 kg), 18,000 lb
(8,165 kg), and 19,500 lb (8,845 kg). Note:
Use of any fluid other than the
recommended fluid could cause reduced
brake performance and not meet our
performance standards. Keep brake fluid
clean and dry. Contamination with dirt,
water, petroleum products or other
materials could result in brake system
damage and possible failure.
Power Steering System
Materials Specification
Name
WSS-M2C938-AMERCON® LV,
Motorcraft® MERCON® LV Automatic Transmission
Fluid(U.S.)
Motorcraft® MERCON® LV Automatic Transmission
Fluid / Huile pour boîte automatique MERCON® LV
Motorcraft®(Canada)
XT-10-QLVC(U.S.)
CXT-10-LV6(Canada)
161
2021 Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 202010, Second-Printing Capacities and Specifications
Page 173 of 191

Check every six months
Hinges, latches and outside locks for proper operation. Lubricate if necessary. Parking brake for proper operation.
Safety belts and seat latches for wear and function.
Safety warning lamps (brake, ABS, airbag and safety belt) for operation.
Washer spray and wiper operation. Clean or replace blades as necessary.
Multi-point Inspection
In order to keep your vehicle running right,
it is important to have the systems on your
vehicle checked regularly. This can help
identify potential issues and prevent major
problems. We recommend having the
following multi-point inspection performed
at every scheduled maintenance interval
to help make sure your vehicle keeps
running great. Multi-point inspection
Horn operation
Accessory drive belt(s)
Radiator, cooler, heater and A/C hoses
Battery performance
Suspension component for leaks ordamage
Engine air filter
Steering and linkage
Exhaust system
Tires (including spare) for wear and properpressure**
Exterior lamps and hazard warning system
operation
Windshield for cracks, chips or pits
Fluid levels *
; fill if necessary
Washer spray and wiper operation
For oil and fluid leaks
* Brake, coolant recovery reservoir, automatic transmission, power steering and window
washer.
** If your vehicle is equipped with a temporary mobility kit, check the tire sealant expiration
Use By date on the canister. Replace as needed.
170
2021 Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 202010, Second-Printing Scheduled Maintenance
Page 190 of 191

P
Parking Brake...................................................55
Perchlorate.........................................................11
Power Steering Fluid Check......................126
Pre-Collision Assist........................................74
Protecting the Environment........................15
R
Radio Frequency Certification Labels.............................................................176
Cruise Control Module...................................... 176
Recommended Towing Weights..............84
Reduced Engine Performance..................90
Refueling...........................................................43
Replacement Parts Recommendation........................................12
Reporting Safety Defects (Canada Only)...............................................................103
Reporting Safety Defects (U.S. Only)...............................................................102
Resuming the Set Speed.............................61
Roadside Assistance....................................93
Roadside Emergencies
................................93
Running-In See: Breaking-In.................................................... 91
Running Out of Fuel......................................42
S
Safety Precautions
.........................................41
Scheduled Maintenance...........................168
Setting the Cruise Control Speed............60
Snow Chains See: Using Snow Chains.................................. 150
Special Notices................................................12
Special Operating Conditions Scheduled Maintenance................................................173
Speed Control See: Cruise Control............................................. 60
Stability Control.............................................58 Principle of Operation........................................ 58
Starter Switch See: Ignition Switch............................................. 37
Starting a Gasoline Engine..........................37
Starting and Stopping the Engine............37 General Information............................................ 37Steering..............................................................73
Steering Wheel
................................................16
Switching Automatic High Beam Control On and Off
.....................................................22
Switching Cruise Control On and Off....................................................................60
Symbols Glossary.............................................5
T
Technical Specifications See: Capacities and Specifications.............152
The Better Business Bureau (BBB) Auto Line Program (U.S. Only).......................100
Tire Care
...........................................................134
Tires See: Wheels and Tires...................................... 134
Towing a Trailer...............................................83
Towing the Vehicle on Four Wheels.......89
Towing................................................................83
Traction Control
..............................................57
Principle of Operation......................................... 57
Transmission Code Designation
.............155
Transmission...................................................50
Transporting the Vehicle.............................96
U
Under Hood Overview - Commercial Chassis............................................................114
Under Hood Overview - Motorhome Chassis............................................................115
Using Adaptive Cruise Control...................61
Using Snow Chains......................................150
Using Traction Control..................................57
V
Vehicle Care
....................................................130
General Information.......................................... 130
Vehicle Identification Number
.................154
Vehicle Storage..............................................132
VIN See: Vehicle Identification Number.............154
W
Warning Lamps and Indicators
.................27
187
2021 Motorhome (TY3) Canada/United States of America, enUSA, Edition date: 202010, Second-Printing Index