2019 Audi Q7 Download Service & Repair Manual
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General InformationBody Repairs,
General Body Repairs
Edition 10.2021
Service
Service Department. Technical Information
Repair Group
Technical information should always be available to the foremen and mechanics, because their
careful and constant adherence to the instructions is essential to ensure vehicle road-worthiness
and safety. In addition, the normal basic safety precautions for working on motor vehicles must, as
a matter of course, be observed.
Service
All rights reserved.
No reproduction without prior agreement from publisher.
Copyright © 2021 Audi AG, Ingolstadt 001KAH00020
Contents
1 Safety briefing/employee qualification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 Qualification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.1 Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.2 Safety precautions when working on the cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Safety precautions when using testers and measuring instruments during a road test . . . . 5
2.4 High-voltage components / electric vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Repair instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Information on handling fine dust, aluminium dust and steel dust . . . . . . . . . . . . . . . . . . . . 6
3.2 Bonding surfaces for self-adhesive components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3 Secure threaded connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.4 Identification plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.5 Impact wrenches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.6 Multi-material mix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.7 Extraction systems for steel/aluminium body repair station ("multi-material-mix" workplace)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.8 Battery, power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.9 Air conditioning system / refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.10 Electronic control units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4 General notes on body repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1 Original joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2 Galvanised body parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.3 Removing remaining material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.4 New parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.5 Moulded foam inserts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.1 Symbols relating to procedures for separating components . . . . . . . . . . . . . . . . . . . . . . . . 13
5.2 Symbols relating to welding, brazing and soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.3 Symbols relating to rivets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.4 Symbols relating to preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.5 Symbols relating to corrosion protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 Vehicle body construction features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.1 Body structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7 Assessing damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.1 General notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.2 Checking weld seams and aluminium node castings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.3 Load paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.4 Measuring procedures / damage diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.5 Overview of materials used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7.6 Passive safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8 Thermal joining techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
8.1 Resistance spot welding (RP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
8.2 Shielded arc plug welding (SG plug welding) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
8.3 SG continuous seams and stitch weld seams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
8.4 MIG soldering/brazing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
8.5 Aluminium welding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
8.6 Laser welding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
8.7 Laser soldering/brazing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.8 Replacement joining techniques in repair work (steel) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.9 Replacement joining techniques in repair work (aluminium) . . . . . . . . . . . . . . . . . . . . . . . . 37
9 Processing body structure adhesive D 180 004 M2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
9.1 Preparing bonding surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
General InformationBody Repairs, General Body Repairs - Edition 10.2021
Contents i
10 Cold joining techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
10.1 Rivets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
10.2 Flow-drill screws (FDS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
10.3 Clinching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
11 Separating techniques in body welding; areas of application . . . . . . . . . . . . . . . . . . . . . . . . 63
11.1 Drilling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
11.2 Saw-cutting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
11.3 Grinding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
11.4 Milling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
12 Surface repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
12.1 Dent removal techniques for sheet steel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
12.2 Dent removal procedures for aluminium panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
12.3 Processing metal and aluminium filler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
12.4 Processing unleaded tin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
12.5 Definition of “accurately aligned surface” / handover to paint shop . . . . . . . . . . . . . . . . . . 68
13 Performing straightening work on body structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
13.1 Straightening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
13.2 Separating cuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
13.3 Body sub-parts and part sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
14 Corrosion protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
14.1 Corrosion protection for attachments and welded parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
14.2 Cavity sealing agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
15 Plastic repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
15.1 Repairing dents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
15.2 Repairing scratches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
15.3 Repairing cracks and tears (up to a length of 100 mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
15.4 Repairing holes (up to 30 mm diameter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
15.5 Plastic repairs (glass fibre materials) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
16 Glass repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
16.1 Repairing windscreens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
16.2 Special tools, workshop equipment, testers, measuring instruments and other items
required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
16.3 Description of repair work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
17 Thread repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
17.1 Thread repairs for safety-related components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
17.2 Repairing threads for attachment of subframe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
17.3 Helicoil plus Twinsert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
General InformationBody Repairs, General Body Repairs - Edition 10.2021
ii Contents
1 Safety briefing/employee qualifica‐
tion
(AKAH000017; Edition 10.2021)
1.1 Qualification
The vehicle-specific training modules must be completed to en‐
sure that repair work can be performed correctly and reliably in
the workshop.
⇒ Rep. gr. 00; Safety briefing/employee qualification; Qualifica‐
tion
General InformationBody Repairs, General Body Repairs - Edition 10.2021
1. Safety briefing/employee qualification 1
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What's Included?
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Print one or all pages of your manual
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Models covered:
- Audi Q7 2.0LT TFSI 8AT AWD (248 HP)
- Audi Q7 3.0T TFSI 8AT AWD (329 HP)
- Audi Q7 55 TFSI Quattro 8AT AWD (340 HP)
- Audi Q7 45 TDI Quattro 8AT AWD (231 HP)
- Audi Q7 50 TDI Quattro 8AT AWD (286 HP)
- Audi Q7 60 TFSI e-Quattro 8AT AWD (456 HP)
This 2019 Audi Q7 Service & Repair Manual is a comprehensive guide used by Audi technicians, covering your specific model and its variants. It provides troubleshooting and replacement procedures, step-by-step instructions, clear images, and exploded-view illustrations.
Whether you're a professional mechanic or a DIY enthusiast, this manual enables you to address vehicle issues and perform maintenance tasks effectively. Regular maintenance is essential for the durability of your vehicle, and this manual equips you with the necessary information for proper upkeep.
With the manufacturer's recommended troubleshooting charts and replacement procedures, this manual is invaluable for fixing your vehicle, saving on repairs, and enhancing its reliability. It's a one-stop solution for weekend DIY'ers and professional mechanics working on Audi vehicles.
The 2019 Audi Q7 Service & Repair Manual includes comprehensive instructions for engine rebuilding, component replacement, wiring diagrams, torque specs, and troubleshooting charts. It simplifies issue diagnosis based on specific symptoms, making it accessible even for beginners.
This manual is a cost-effective investment, enabling significant savings on repairs and maintenance. It's a valuable resource for anyone maintaining or repairing Audi vehicles, offering practical solutions and guidance.
Printable: Yes
Compatibility: Compatible with various electronic devices, including PC & Mac computers, Android and Apple smartphones & tablets, etc.
Requirements: Adobe Reader (free)
