2021 FORD F650/750 change time

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Page 235 of 390

FORD F650/750 2021  Owners Manual Note:
 Do not use stop leak pellets, cooling
system sealants, or non-specified additives
as they can cause damage to the engine
cooling or heating systems.  Resulting
component damage may not be cover

Page 238 of 390

FORD F650/750 2021  Owners Manual •
Robinair® Coolant and Battery
Refractometer 75240 –
Recommended refractometer to test
coolant concentration. (Rotunda tool
part number: ROB75240).
• Rotunda 328-R071–ELC (Antifreeze
Coolant

Page 241 of 390

FORD F650/750 2021  Owners Manual 1. Park your vehicle on a level surface.
2. Look at the brake fluid reservoir to see
where the brake fluid level is relative
to the MIN and the MAX marks on the
reservoir.
Note: If the brake fluid lev

Page 266 of 390

FORD F650/750 2021  Owners Manual Information on P Type Tires
P215/65R15 95H is an example of
a tire size, load index and speed
rating. The definitions of these
items are listed below. (Note that
the tire size, load index and speed
ra

Page 280 of 390

FORD F650/750 2021  Owners Manual Sometimes irregular tire wear can
be corrected by rotating the tires.
USING SNOW CHAINS
WARNING: Snow tires must be the
same size, load index, and speed rating
as those originally provided by Ford. Us

Page 315 of 390

FORD F650/750 2021  Owners Manual Potential station issues
Action
Cause
Issues
No action required.  This is a
broadcast issue.
This is poor time alignment
by the radio broadcaster.
Echo, stutter, skip or repeat
in audio.
Increase or d

Page 321 of 390

FORD F650/750 2021  Owners Manual Less Cost to Properly Maintain Your
Vehicle
Ford Protect extended service plan also
offers a Premium Maintenance Plan that
covers all scheduled maintenance, and
selected wear items. The coverage is
pr

Page 322 of 390

FORD F650/750 2021  Owners Manual GENERAL MAINTENANCE
INFORMATION
Why Maintain Your Vehicle?
Carefully following the maintenance
schedule helps protect against major repair
expenses resulting from neglect or
inadequate maintenance and