Refrigerant Circuit; General Information; Component Overview - Audi Q7 2007 Repair Manual

Audi Q7 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 04.2013
3

Refrigerant Circuit

⇒ "3.1 General Information", page 12
⇒ "3.2 Component Overview", page 12
⇒ "3.3 High Pressure Sensor G65 , Removing and Installing",
page 18
⇒ "3.4 High Pressure Sensor G65 , Checking Pressure Signal",
page 19
⇒ "3.5 Refrigerant Temperature Sensor G454 Function and Sig‐
nal Utilization", page 23
⇒ "3.6 Refrigerant Circuit O-Ring Seals", page 26
⇒ "3.7 Compressor on Bracket, Removing and Installing",
page 27
⇒ "3.8 A/C Compressor Regulator Valve N280 , Checking Acti‐
vation Signal", page 30
3.1

General Information

Note
Refrigerant circuit, servicing. Refer to
♦
⇒ "15 Refrigerant Circuit, Servicing", page 241
♦
All work or components marked with
placed or performed in any workshop (work that does not
pertain to refrigerant circuit).
♦
All refrigerant circuit components not marked with
all refrigerant hoses and lines can only be repaired or replaced
in a workshop equipped with the necessary tools and where
the procedures are performed by qualified personnel (the re‐
frigerant circuit must be discharged). Refer to ⇒ Refrigerant
R134a Servicing; Rep. Gr. 87 ; A/C System General Informa‐
tion (A/C System with Refrigerant R134a; A/C System, Gen‐
eral Information).
3.2

Component Overview

Note
This illustration shows in one overview the various refrigerant cir‐
cuit components, the exact arrangement inside the vehicle de‐
pends on version and engine.
HD = High-pressure end
ND = Low-pressure end
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
12
Rep. Gr.87 - Air Conditioning
.
1)
can be repaired, re‐
1)
as well as