4.2L V8 4V Engine Mechanical, Engine Code(s): Bvj: Specifications Audi A8 D3 facelift 2

Torque support bracket, removing and installing

Special tools, testers and auxiliary items required

1. Drill
2. Stepped quick-helix drill (dia. 24 mm)

Removing

1. Remove front sound insulation by loosening fasteners - 1 -.

Note. Ignore items - 2, 3, 4 -.

1. Remove both front wheels.
2. Remove front part of left and right front wheel housing liner --> «66 - EXTERIOR EQUIPMENT»(ref-289221-S23584739002008062700000) .
3. Remove front bumper cover --> «63 - BUMPERS»(ref-289221-S15322224352008062700000) .

Scheme 1

1. Remove lower air guide hose from lower part of air filter housing - arrow -.
2. Remove right headlight --> «94 - LIGHTS, SWITCHES - EXTERIOR»(ref-289227-S41188826982008062700000) .

Scheme 2

1. Disconnect electrical harness connector - 3 - at Mass Air Flow (MAF) Sensor G70.
2. Disconnect air guide hose - 2 - from air guide pipe.
3. Disconnect air duct - 1 - from upper part of air filter housing.
4. Remove bolts - arrows - and remove upper part of air filter housing.

Scheme 3

1. Disconnect vacuum hose - 1 - and remove air duct - 2 -.
2. Remove bolts - arrows -.
3. Rotate lower part of air filter housing and disconnect electrical connector - 3 - on Intake Air Switch-Over valve N335.
4. Remove lower part of air filter housing.

Scheme 4

1. Depress locking mechanisms - arrows - and remove air guide at right front from lock carrier.

Scheme 5

1. Remove bolts - arrows -.
2. Remove air guide at right rear from lock carrier.

Scheme 6

1. Mark holes according to dimensions - a and b - at lock carrier as shown.

1. Dimension - a - = 40 mm.
2. Dimension - b - = 55 mm

1. Make a bore dia. 24 mm.

Note. The bore must be pre-bored and then drilled to dia. 24 mm using stepped quick-helix drill.

Scheme 7

1. Remove bolts - 1 and 2 - on torque support bracket.
2. Loosen bolt - 3 - several turns.

Scheme 8

1. Remove bolt - arrow - at torque support mount.

1. Remove bolts - arrows - and remove torque support mount.

Installing

Scheme 9

1. Turn adjustment ring - 1 - on torque support bracket clockwise - arrow - as far as stop.

1. Tighten bolts - 1 and 3 - on torque support bracket.

1. Rotate adjustment ring - 1 - counter-clockwise - arrow - by hand until it comes into contact with torque support bracket.
2. Then, turn adjustment ring one rotation clockwise again.

1. Tighten bolt - arrow - on torque support mount.

The rest of installation is in reverse order of removal, note the following.

1. Install headlamps --> «94 - LIGHTS, SWITCHES - EXTERIOR»(ref-289227-S41188826982008062700000) .
2. Install the front bumper cover --> «63 - BUMPERS»(ref-289221-S15322224352008062700000) .
3. Install air filter housing --> «24 - MULTIPORT FUEL INJECTION (MFI)»(ref-289205-S08445194072008062700000) .
4. Check headlight adjustment 404.

Scheme 10

1 - Bolt

1. 22 Nm

2 - Bolt

1. 55 Nm

3 - Tensioning device for ribbed belt

4 - Ribbed belt

1. Check for wear
2. Do not kink

1. Removing and installing --> «Ribbed belt, removing and installing»(ref-289203-S08720727742008062700000)
2. When installing, make sure it is seated correctly on pulleys

5 - Cover cap

6 - Bolt

1. 22 Nm

7 - Generator

1. Removing and installing --> «27 - BATTERY, STARTER, GENERATOR, CRUISE CONTROL»(ref-289227-S36040774962008062700000)

8 - Bolt

1. M8: 22 Nm
2. M10: 46 Nm

9 - Alignment bushing

1. For Generator bracket
2. 2 pieces

10 - Generator bracket

11 - Bolt

1. 9 Nm

12 - Bracket

1. For idler pulley

13 - Idler roller for ribbed belt

14 - Bolt

1. 22 Nm

15 - Vibration damper

1. Removing and installing --> «Vibration damper, removing and installing»(ref-289203-S27335766182008062700000)

16 - Bolt

1. Replace
2. Tightening order --> «Vibration damper tightening sequence»(ref-289203-S31530453332009012200000)

17 - Alignment bushing

1. 2 pieces

18 - Bracket

1. For ribbed belt tensioner

19 - Bolt

1. Different lengths
2. 9 Nm

Scheme 11

1. Tighten bolts - arrow - in diagonal sequence in 3 stages as follows
2. Tighten bolts to 15 Nm.
3. Tighten bolts to 22 Nm.
4. Tighten an additional 90° ( 1 / 4 turn).

Right exhaust manifold tightening sequence

1. Tighten nuts in 3 stages in - 1 to 6 - sequence as follows

Scheme 12

1. Bolt, 23 Nm
2. Bolt, 23 Nm
3. Washer
4. Spring
5. Spacing sleeve
6. Spacing sleeve
7. Buffer
8. Tongue
9. Spacing sleeve

Scheme 13

1. Bolt, 23 Nm
2. Bracket
3. Bolt, 23 Nm
4. Spacing sleeve
5. Spring
6. Washer
7. Bolt, 23 Nm
8. Bolt, 23 Nm
9. Spacing sleeve
10. Tongue
11. Buffer
12. Spacing sleeve