2021 FORD E-350 Owners Manual

Page 169 of 301

FORD E-350 2021  Owners Manual WARNING: Do not remove the
coolant reservoir cap when the engine is
on or the cooling system is hot. Wait 10
minutes for the cooling system to cool
down. Cover the coolant reservoir cap
with a thick c

Page 170 of 301

FORD E-350 2021  Owners Manual 3. Refill with coolant that meets the
correct specification.  See Capacities
and Specifications (page 219).
Water alone, without coolant, can cause
engine damage from corrosion,
overheating or freezin

Page 171 of 301

FORD E-350 2021  Owners Manual When this occurs, your vehicle still
operates, however:
•
Engine power is limited.
• The air conditioning system turns off.
Continued operation increases the engine
temperature, causing the engine

Page 172 of 301

FORD E-350 2021  Owners Manual You may notice a reduction in vehicle
speed caused by reduced engine power in
order to manage the engine coolant
temperature.  Your vehicle may enter this
mode if certain high-temperature and
high-loa

Page 173 of 301

FORD E-350 2021  Owners Manual 5. Remove the dipstick, wiping it clean
with a clean, dry, lint free rag.
6. Install the dipstick, fully seating it in the
filler tube.
7. Remove the dipstick and inspect the fluid level. The fluid sh

Page 174 of 301

FORD E-350 2021  Owners Manual If an overfill occurs, have a qualified
technician remove excess fluid.
Note:
An overfill condition of transmission
fluid may cause shift and engagement
concerns, and possible damage.
Do not use suppl

Page 175 of 301

FORD E-350 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 176 of 301

FORD E-350 2021  Owners Manual WASHER FLUID CHECK
WARNING: If you operate your
vehicle in temperatures below 40°F
(5°C), use washer fluid with antifreeze
protection. Failure to use washer fluid
with antifreeze protection in cold