720S

1.	DA-RM-01A001-00-001 - Secure/Lift vehicle on platform
2.	DA-RM-03A071-07-002 - Remove/Install access hatch - Luggage bin
3.	DA-RM-07M003-00-001 - Disconnect/Connect Li-ion battery
4.	Care Point: Remove both sides. DA-RM-03A071-02-001 - Remove/Install cover - Fender inner
5.	DA-RM-03A071-07-001 - Remove/Install luggage bin
6.	DA-RM-03A074-01-001 - Remove/Install washer bottle
7.	Care Point: Remove both sides. DA-RM-03A075-05-002 - Remove/Install floor panel - Rear extension
8.	DA-RM-03A077-00-001 - Drain/Fill fluid - HVAC refrigerant
9.	Care Point: Remove both sides. DA-RM-04B004-01-001 - Remove/Install wheel - Front
10.	Care Point: Remove both sides. DA-RM-03A076-01-001 - Remove/Install wheel arch liner - Front
11.	DA-RM-03A075-04-001 - Remove/Install floor panel - Front
12.	DA-RM-01A004-02-001 - Remove/Install floor panel - Engine
13.	Care Point: Remove both sides. Disconnect only. DA-RM-04B001-02-003 - Remove/Install sensor - Wheel speed - Front
14.	Care Point: Remove wishbone to actuator bolt only. DA-RM-04B001-03-002 - Remove/Install Wishbone - Front - Lower
15.	DA-RM-01A001-02-001 - Remove/Install Subframe - Front
16.	Care Point: Remove both sides. DA-RM-08N001-04-002 - Remove/Install HVAC shroud
17.	Care Point: Remove both sides. DA-RM-08N001-01-003 - Remove/Install closure panel - Facia

WARNING!

Risk of explosion, poisoning and injury when working on the air condition system!

When a closed air conditioning systems (charged or empty) becomes heated, high pressures result that can cause the system to burst. Therefore, all welding and soldering operations on or near closed air conditioning systems are prohibited. At high pressure levels and high concentrations of air refrigerant vapours can form explosive mixtures. Even after the system has been evacuated, residual pressure can still be present in the system when loosening couplings. Couplings must be loosened carefully to dissipate residual pressure.

Refrigerant can decompose when overheated. The resulting substances are toxic and must never be inhaled. These vapours are indicated by a piercing odour.

Refrigerant vapours are heavier than air; this means that escaping gases pose a risk of suffocation for anyone in a work pit beneath the vehicle. Contact with liquid refrigerant can cause injuries similar to chilblains (due to undercooling).

Refrigerants pose a hazard to the environment as well as to personal health and safety; they are not to be discharged directly into the atmosphere.

Always wear safety glasses and protective gloves when working with refrigerant.

•	Do not weld, braze or solder on sealed air conditioning systems or in their immediate vicinity.
•	Never smoke when working with refrigerant.
•	Never expose refrigerant to open flames.
•	Ensure sufficient ventilation in the working area.
•	Never inhale vapours from overheated refrigerants.
•	Evacuate refrigerant completely from the entire air conditioning system prior to doing any repair work on the air conditioning circuit or components.
•	Do not discharge refrigerant directly into the atmosphere.
•	Use suitable evacuation, treatment and charging devices equipped with integral disposal and treatment facilities for evacuating refrigerant.
•	Loosen couplings carefully, so that residual pressure can dissipate slowly.
•	Avoid all skin contact with liquid refrigerant.

WARNING!

Risk of injury and poisoning working with hydraulic fluid!

Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure. When disengaging hydraulic lines without depressurising the system, dangerous skin or eye injuries can occur due to the very high pressures (in excess of 200 bar). If hydraulic fluid, particularly central hydraulic fluid (especially harmful), comes into contact with unprotected skin, this can cause damage to the skin.

If hydraulic fluid is swallowed, this can lead to poisoning symptoms such as headache, dizziness, nausea, vomiting, diarrhoea, cramps and unconsciousness.

Wear protective gloves, protective clothing and eye protection.

•	Depressurise and drain the system if necessary when commencing work on hydraulic systems.
•	Never put hydraulic fluid into beverage containers.
•	Ensure sufficient ventilation, especially in the case of central hydraulic fluid.
•	Ensure that only authorised persons have access to hydraulic fluid.
•	Immediately seal disconnected leads and hoses and the connections to the assembly with blind plugs.

WARNING!

Risk of injury and poisoning working with hydraulic fluid!

If hydraulic fluid is swallowed, this can lead to poisoning symptoms such as headache, dizziness, nausea, vomiting, diarrhoea, cramps and unconsciousness.

Wear protective gloves, protective clothing and eye protection.

•	Depressurise and drain the system if necessary when commencing work on hydraulic systems.
•	Never put hydraulic fluid into beverage containers.
•	Ensure sufficient ventilation, especially in the case of central hydraulic fluid.
•	Ensure that only authorised persons have access to hydraulic fluid.
•	Immediately seal disconnected leads and hoses and the connections to the assembly with blind plugs.

WARNING!
Possible fluid spills from vehicle systems during repairs or maintenance. Risk of thermal incidents, slip hazards, corrosion of electrical components, failure of electrical or mechanical components or unwanted odours. Always limit fluid spills and fully clean the spilled fluid after repairs or maintenance.

Remove HVAC unit - Inlet

Care Point:

IMPORTANT: Make sure correct HVAC refrigerant fluid (Either R134a or R1234yf) is used.

Refer to vehicle label (located on rear frame).

Care Point:

IMPORTANT:Do not attempt to interchange HVAC refrigerant fluid or components designed for one particular fluid.

Care Point:

The hydraulic system must be depressurised before any work is carried out.

Connect McLaren Diagnostic System (MDS), proceed to Diagnostic Toolbox within Chassis Control Unit (CCU).

Access Sequences.

Carry out Nose Lift Maintenance sequence.

4.	Remove bolt (1).(M6x25) 8 Nm
5.	Detach high pressure pipe from expansion valve (2).

Disconnect electrical connectors (3).

Care Point:

Secure the stud with a torx socket when removing nuts (4) to prevent stud from being removed from inlet unit.

Care Point:

With the aid of another technician, supporting inlet unit.

Care Point:

For lower fixings, detach harness clips first.

Remove nuts (4).4.5 Nm

8.	Remove nuts (5).4.5 Nm
9.	Remove HVAC inlet unit from vehicle.

Install HVAC unit - Inlet

1.	Replace and lubricate O-rings.
2.	Check functionality.
3.	Check system for leaks.
4.	Install components in reverse order.
5.	Read out and clear error memory.

V. 1.10

Note