coolant changing

one case for tool
one case for dirt item
work suit
big botton for water
big botton for waste water
13 gal rubblish bag
one basin
soft water
flat ground
4. inspect hose 0. resovior
2. drain plug 1. radiator cap  3. close drain plug
add flush; add water; close caps run engine, heat on high -> normal temprature
close and drain; add water; run engine 15 m
wait it cool; drain; add new coolant
close cap; run engine with radiator loosen, heat on high -> normal temprature
check level; check leaks and clean


run case, botton密封,

emission check。
safety check。
通不过咋样？ 不撕票。 目测先。 台车之前。 刹车灯。