NHTSA ID Number: 10205699
Manufacturer Communication Number: Quick Reference
TSB/Document Date: 2021-12-27
Summary
Quick reference specification book.
Lower Timing Chain Cover
Tightening Specification (cont'd)
Replace any bolts that were tightened with an additional turn.
Steps 7 to 9
7
Tighten bolts 1 through 4 in sequence
8
Tighten bolts 1 through 4 in sequence
9
Tighten bolts 1 through 4 in sequence
Nm
Remove the
steel bolts
M6x20
3
Engine –
3.0L CPNA (TDI)
Steps Component
an additional
90° (¼ turn)
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
29
Vehicles with Magnesium Upper Oil Pan
The steel bolts must be replaced with aluminum bolts (steps
6 - 8) after all bolts have been tightened on vehicles with
magnesium oil pan upper sections (identifying feature: letter
combination MRI (Æ) on the oil pan upper section).
30
Audi
A8/A8L/S8 Quick Reference Specification Book • September 2013
Cylinder Head Tightening Specifications
Replace any bolts that were tightened with an additional turn.
Step
Component
Nm
Tighten bolts 1 through 8 in sequence
Hand-tighten
2
Tighten bolts 1 through 8 in sequence
35
3
Tighten bolts 1 through 8 in sequence
70
4
Tighten bolts 1 through 8 in sequence
5
Tighten bolts 1 through 8 in sequence
an additional
90° (¼ turn)
an additional
90° (¼ turn)
Engine –
3.0L CPNA (TDI)
1
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
31
Left Cylinder Head Cover Tightening Specification
Replace any bolts that were tightened with an additional turn.
Step
1
32
Component
Tighten bolts 1 through 7 in sequence
Nm
Hand-tighten
2
Tighten bolts 1 through 7 in sequence
8
3
Tighten bolts 1 through 7 in sequence
an additional
90° (¼ turn)
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
Right Cylinder Head Cover Tightening Specification
Replace any bolts that were tightened with an additional turn.
Step
1
Component
Tighten bolts 1 through 7 in sequence
Nm
Hand-tighten
Tighten bolts 1 through 7 in sequence
8
Tighten bolts 1 through 7 in sequence
an additional
90° (¼ turn)
Engine –
3.0L CPNA (TDI)
2
3
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
33
Cylinder Bank 1 (Right) Bearing Cap
Tightening Specification
Step
34
Component
Nm
1
Tighten bolts 1 through 12 in sequence
Hand-tighten
2
Tighten bolts 1 through 12 in sequence
9
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
Cylinder Bank 2 (Left) Bearing Cap
Tightening Specification
Step
Component
Nm
Tighten bolts 1 through 12 in sequence
Hand-tighten
2
Tighten bolts 1 through 12 in sequence
9
Engine –
3.0L CPNA (TDI)
1
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
35
Lubrication – 3.0L CPNA
Fastener Tightening Specifications
Component
Cap with oil filter by-pass valve
Chain sprocket for the oil pump bolt 1)
Engine oil cooler
Engine oil cooler thermostat cap 1)
Guide tube for the oil dipstick
Mounting plate for the engine oil cooler
Oil baffle bolt 1)
Oil drain plug
Oil filter housing bolt
Oil level thermal sensor-to-oil pan
Oil pressure regulation valve
Oil pressure switch
Oil return pipe-to-oil pump
Reduced oil pressure switch
Upper oil pan drain plug
Vacuum line from the vacuum pump 2)
- Bolt 1)
- Bolt
1)
2)
Nm
35
30 plus an
additional 45°
(⅛ turn)
9
3 plus an
additional 90°
(¼ turn)
9
9
3 plus an
additional 90°
(¼ turn)
30
9
9
9
20
9
20
25
3 plus an
additional 45°
(⅛ turn)
9
Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, Upper Oil Pan Overview, items 19
and 21.
36
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
Upper Oil Pan Tightening Specifications
Replace any bolts that were tightened with an additional turn.
Step
1
Component
Tighten bolts 1 through 12 in sequence
Nm
2
Tighten bolts 1 through 12 in sequence
5
Tighten bolts 1 through 12 in sequence
an additional
90° (¼ turn)
Engine –
3.0L CPNA (TDI)
2
3
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
37
Oil Pan Tightening Specifications
Replace any bolts that were tightened with an additional turn.
Step
1
2
3
38
Component
Tighten bolts 1 through 15 in sequence
Tighten bolts 1 through 15 in sequence
Tighten bolts 1 through 15 in sequence
Nm
2
3
an additional
90° (¼ turn)
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
Oil Pump with Vacuum Pump
Tightening Specification
Replace any bolts that were tightened with an additional turn.
Step
Component
Nm
Tighten bolts 1 to 3 in sequence
Hand-tighten
2
Tighten bolts 1 to 3 in sequence
8
3
Tighten bolts 1 to 3 in sequence
an additional
90° (¼ turn)
Engine –
3.0L CPNA (TDI)
1
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
39
Cooling System – 3.0L CPNA
Fastener Tightening Specifications
Component
Check valve bolts
Coolant connection bolts
Coolant fan bolts
Coolant lines
- Banjo bolt
- Bolt
Coolant pump to engine bolts
Coolant pump ribbed belt pulley bolts 1)
Coolant shut-off valve
Engine Coolant Temperature (ECT) sensor
Fan wheel bolts
Front coolant pipe bolts
Left coolant pipe bolts
Left lower coolant pipe bolts
Rubber buffer bolt
Transmission coolant valve bolts
Upper left coolant pipe nut/bolt
1)
Nm
9
9
3.5
12
9
9
23
9
9
5
9
9
9
3.5
9
9
Tighten diagonally in steps.
40
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
Fuel Supply – 3.0L CPNA
Fastener Tightening Specifications
Component
Accelerator pedal module
Air filter housing
Bracket for fuel filter 1)
- Bolt
- Bolt
Carrier plate bolt
Fuel cooler bolts
Fuel filler neck
- Bolt
- Nut
Fuel pump control module to bracket nut
Nm
8
23
Fuel tank heat shield to fuel tank bolt
Locking flange cover bolt
Locking ring
Mounting strap bolts
23
1.5
120
23
23
2.5
1.6
For bolt tightening clarification, refer to ElsaWeb, Fuel Filter Overview, items 2 and
16.
Engine –
3.0L CPNA (TDI)
1)
2.1
5.5
23
1.5
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
41
Locking Flange Cover Tightening Specification
Step
1
42
Component
Tighten bolts (Æ) in a diagonal sequence
Nm
1.5
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
Turbocharger, Supercharger – 3.0L CPNA
Fastener Tightening Specifications
Component
Air guide pipe
Air guide pipe bracket bolts
Bracket for charge air cooler
Bracket for connector and engine cover
Charge air cooler bolts
Charge air cooler bolts (Hot Climate version)
Charge air pressure sensor/intake air temperature
sensor
Charge air pressure sensor/intake air temperature
sensor (Hot Climate version)
Connection for air guide hose
Coolant supply line bolts 1)
Coolant supply line bolts 2)
Coolant supply line connections
Exhaust manifold bolts 3) 4)
Particulate filter nut 3) 4)
Rear air guide bolt
Screw-type clamps
- 9 mm wide
- 13 mm wide
1)
2)
3)
9
9
9
8
25
30 plus an
additional 90°
(¼ turn)
23
1.7
3.4
5.5
For bolt tightening clarification, refer to ElsaWeb, Turbocharger Overview, item 32.
For bolt tightening clarification, refer to ElsaWeb, Turbocharger Overview, item 8.
Replace fasteners.
Coat the thread with hot bolt paste..
Engine –
3.0L CPNA (TDI)
4)
Nm
9
8
9
9
3.5
9
3.5
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
43
Turbocharger Tightening Specification
Replace the stud bolts and the nuts.
Step
1
2
3
4
5
6
7
44
Component
Stud bolts for the nuts 1 and 2
Tighten bolts and nuts 1 and 2
Tighten bolts and nuts 1 and 2
Tighten bolts and nuts 1 and 2
Tighten bolts 3 to 5 in sequence
Tighten bolts 3 and 4 in sequence
Tighten bolt 5
Nm
10
Hand-tighten
9
an additional
90° (¼ turn)
Hand-tighten
9
23
Audi A8/A8L/S8 Quick Reference Specification Book • September 2013
Exhaust System, Emission Controls – 3.0L
CPNA
Fastener Tightening Specifications
Component
Base place for reducing agent metering system control
module
Clamp for reducing agent injector
Clamping sleeve nut
Connection to EGR cooler
Coolant connection
EGR cooler bolt
EGR cooler bleeder screw
EGR temperature sensor
- at the aluminum EGR cooler
- at the steel EGR cooler
Engine temperature control temperature sensor bolt
Exhaust gas recirculation motor bolt
Exhaust gas temperature sensor 2)
Exhaust manifold 1) 2)
- Bolt
- Nut
Exhaust pressure sensor 1 2)
Particulate filter with catalytic converter nut 1) 2)
Particle sensor 2)
Pressure pipe for differential pressure sensor
Reducing agent tank bolt
Screw-type clamp
- Part number 059 131 548 C
- Part number 059 131 548 D
Selective Catalytic Reduction (SCR) - catalytic converter
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TSB/Document ID: Quick Reference
Replacement Service Bulletin Number:
MFR Communication Date: 2013-09-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MFR Component System:
MFR Component Subsystem:
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