BYD Dolphin 2022 - Page 192

192 6-1 Instructions for Maintenance
Item
Maintenance interval
Check the level of coolant in
the expansion tank
Replace the antifreeze for
drive motor
Check the brake fluid
Replacement of brake fluid
Replace it every 2 years or every 40,000 km
Check the DTC of vehicle
(clearing after recording)
Check the power battery
carrier, shield, bumper and
mounting point torque (QH)
Capacity testing and
calibration
Every 72000km or 6 months
Check and replace the gear
oil in transmission
Check whether the powertrain
has any fluid leakage and
bumps
Check whether the high-
voltage wiring harness or
connector gets loose
Check the exterior parts of
high-voltage module for
deformation and oil fluid
Check whether all joints of the
charging connector have any
foreign objects or ablation
Replace the battery coolant
(QH)
Check the activated carbon
high-efficiency filter (if any)
Regularly check it every year or 20,000 km except
the first year, and replace it if necessary; In bad
working conditions, check every six months and
replace it if necessary
Check the filter screen for
PM2.5 rapid detector (if any)
Check it every 12 months or 20,000 km and
replace any part with abnormal damage in time
Check it every 12 months or 20,000 km and
change it in case of any abnormal damage in time
Check them every 12 months or 20,000 km and
replace any part with abnormal damage in time
Regularly check it every year or 20,000 km except
the first year, and replace it if necessary; In bad
working conditions, check every six months and
replace it if necessary
Replace it with long-acting, organic, and acid
coolant once every 4 years or every 100,000 km
(whichever comes first)
Check it every 12 months or 20,000 km and
change it in case of any abnormal damage in time
Check them every 12 months or 20,000 km and
replace any part with abnormal damage in time
Replace the gear oil after 24 months or 40,000 km
of vehicle running mileage for the first time. After
that, replace the gear oil every 24 months or every
48,000 km of vehicle running mileage
Check it every 12 months or 20,000 km and
replace any part with abnormal damage in time
Check them every 12 months or 20,000 km and
replace any part with abnormal damage in time
Check it every 12 months or 20,000 km and
replace any part with abnormal damage in time
Replace the battery coolant once the vehicle has
traveled for 2 years / 40,000 km (whichever comes
first) for the first time. After that, replace it once
every 2 years / 100,000 km (whichever comes first)