♦ Evacuating refrigerant circuit
♦ Charging refrigerant circuit
♦ Functional check of air conditioning system during road test.
⇒ Air conditioning systems with refrigerant R744 – General
information; Rep. gr. 87; Working with air conditioner service
station; Charging refrigerant circuit
4.25 Charging cable bag: securing in lug‐
gage compartment
Note
Applies only if a subwoofer (PR number 9VG) is installed in the
luggage compartment recess.
– Stow all charging cables in charging cable bag -1- and se‐
cure charging cable bag on fastening ring in luggage com‐
partment using snap hook -2-.
4.26 Engine and components in engine
compartment: inspecting for leaks and
damage (from above and below)
– If necessary, remove motor compartment cover (noise insu‐
lation) -bottom- ⇒ page 51 .
Inspect as follows:
– Check engine and components in engine compartment for
leaks and damage.
– Lines, hoses and connections
♦ Cooling and heating system
♦ Air conditioning system
♦ And brake system
Check for leaks, abrasion, porousness, cracks, correct seating
and attachment in retainers.
Note
♦
Any detected defects must be rectified as repair measures.
♦
If fluid loss is greater than can be expected through normal
use, determine source and rectify (repair measure).
ID.4 2021 ➤, ID.5 2021 ➤
Maintenance - Edition 11.2021
50 4. Descriptions of work
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