NHTSA ID Number: 10122811
Manufacturer Communication Number: Quick Ref Spec B
TSB/Document Date: 2017-11-08
Summary
This document contains the quick reference specification book.
60
5
9
10 plus an
additional 45°
(⅛ turn)
8 plus an
additional 45°
(⅛ turn)
5 plus an
additional 60°
(1⁄6 turn)
30 plus an
additional 60°
(1⁄6 turn)
80 plus an
additional 90°
(¼ turn)
13
10 plus an
additional 90°
(¼ turn)
80 plus an
additional 90°
(¼ turn)
9
9
30 plus an
additional 90°
(¼ turn)
9
Balance shaft transmission side
Camshaft adjustment solenoid valve
Chain tensioner 2)
Chain tensioner with glide track 1), 3)
Drive chain sprocket bearing plate 1)
Drive sprocket pivot pin (left) 1)
Drive sprocket pivot pin (right)1)
Exhaust camshaft chain sprocket 1)
Gear carrier
Guide rail1
Intake camshaft adjuster 1)
Left camshaft timing chain tensioner
Oil dipstick guide tube
Oil pump drive sprocket1)
Right camshaft timing chain tensioner
1)
2)
3)
Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, Timing Mechanism Drive Chain
Overview, item 7.
For bolt tightening clarification, refer to ElsaWeb, Power Take-Off Drive Chain
Overview, item 8.
Audi A5/S5 Quick Reference Specification Book
•
November 2012
53
Engine –
3.0L CGXC
Cylinder Head, Valvetrain – 3.0L CGXC
Compression Checking Specifications
Compression Pressure
New
Wear limit
Maximum difference between cylinders
Bar Pressure
11.0 to 14.0
10.0
3.0
Valve Dimensions
Diameter a
Diameter b
c
Dimension
mm
mm
mm
33.85 ± 0.10
5.98 ± 0.01
104.0 ± 0.2
28.0 ± 0.1
5.96 ± 0.01
101.9 ± 0.2
α
∠°
45
45
NOTE: Intake and exhaust valves must not be
refaced by grinding. Only lapping is permitted.
54
Audi A5/S5 Quick Reference Specification Book
•
November 2012
Engine –
3.0L CGXC
Left Timing Chain Cover Tightening Specifications
Step
1
2
1)
Component
Tighten bolts 1 through 8 in sequence 1)
Tighten bolts 1 through 8 in sequence
Nm
5
an additional
90° (¼ turn)
Replace fastener(s).
Right Timing Chain Cover Tightening Specifications
Step
1
2
1)
Component
Tighten bolts 1 through 8 in sequence 1)
Tighten bolts 1 through 8 in sequence
Nm
5
an additional
90° (¼ turn)
Replace fastener(s).
Audi A5/S5 Quick Reference Specification Book
•
November 2012
55
Lower Timing Chain Cover Tightening Specifications
1)
Component
Nm
1
Tighten bolts (Æ) 1)
3
2
3
3
Tighten bolts 1 through 10 in a diagonal
sequence 1)
Tighten bolts 1, 2, 4, 5, 7, and Æ
4
Tighten bolts 8, 9 and 10
5
Tighten bolts 8, 9 and 10
6
Tighten bolt 3
an additional
90° (¼ turn)
16
7
Tighten bolt 6
20
8
Tighten bolt 6
an additional
90° (¼ turn)
an additional
90° (¼ turn)
8
Replace fastener(s) except bolt 3.
56
Audi A5/S5 Quick Reference Specification Book
•
November 2012
Engine –
3.0L CGXC
Cylinder Head Tightening Specifications
NOTE: The left cylinder head is shown. The
right cylinder head is identical.
Step
1
Component
Replace and tighten bolts 1 through 8 in
sequence
Nm
Hand-tighten
2
Tighten bolts 1 through 8 in sequence
40
3
Tighten bolts 1 through 8 in sequence
4
Tighten bolts 1 through 8 in sequence
an additional
90° (¼ turn)
an additional
90° (¼ turn)
Audi A5/S5 Quick Reference Specification Book
•
November 2012
57
Camshaft Guide Frame Tightening Specifications
NOTE: The left cylinder head camshaft guide frame is shown.
The right cylinder head camshaft guide frame is identical.
Step
1
2
3
1)
2)
Component
Tighten bolts 1 through 21 in sequence 1) 2)
Tighten bolts 1 through 21 in sequence
Tighten bolts 1 through 21 in sequence
Nm
Hand-tighten
8
an additional
90° (¼ turn)
Replace fastener(s)
The guide frame must contact the entire contact surface of the cylinder head.
58
Audi A5/S5 Quick Reference Specification Book
•
November 2012
Engine –
3.0L CGXC
Left Cylinder Head Cover Tightening Specification
Step
1
Component
Nm
Tighten bolts 1 through 12 in sequence
9
Right Cylinder Head Cover Tightening Specification
Step
1
Component
Nm
Tighten bolts 1 through 12 in sequence
Audi A5/S5 Quick Reference Specification Book
9
•
November 2012
59
Lubrication – 3.0L CGXC
Fastener Tightening Specifications
Component
Cover with oil separator
Crankcase ventilation hose
Engine oil cooler
Lower oil baffle 1)
Nm
9
3
9
3 plus an
additional 90°
(¼ turn)
30
13
9
20
25
9
20
20
30 plus an
additional 90°
(¼ turn)
9
20
9
Oil drain plug
Oil filter housing 2)
Oil check valve
Oil filter housing cap
Oil level thermal sensor nut
Oil pressure switch
Oil pump
Oil pump chain sprocket 1)
Oil pump driveshaft bracket
Reduced oil pressure switch
Upper oil baffle
1)
2)
Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, Oil Filter Housing and Oil
Pressure Switch Overview, items 1, 4, 5 and 13.
60
Audi A5/S5 Quick Reference Specification Book
•
November 2012
Engine –
3.0L CGXC
Upper Oil Pan Tightening Specifications
Step
1
2
Component
Nm
Tighten bolts 1 through 6 in a diagonal
sequence
Tighten bolts 1 through 6 in a diagonal
sequence
Audi A5/S5 Quick Reference Specification Book
8
an additional
90° (¼ turn)
•
November 2012
61
Oil Pan Tightening Specifications
Step
1
2
62
Component
Tighten bolts in a diagonal sequence
Tighten bolts in a diagonal sequence
Audi A5/S5 Quick Reference Specification Book
Nm
3
an additional
90° (¼ turn)
•
November 2012
Cooling System – 3.0L CGXC
Component
After-run coolant pump-to-engine
After-run coolant pump bracket-to-engine
Charge air coolant pump bracket nut
Coolant hose connecting piece
Coolant pump
Coolant pump ribbed belt pulley
Coolant thermostat
Fan shroud, version 1
Fan shroud, version 2
Front charge air cooling circuit radiator
Front coolant pipe
Front left coolant pipes
Front left coolant pipes bracket
Left charge air cooling circuit radiator bracket nut
Supercharger lower coolant pipe
Radiator bracket 1)
Nm
4
9
9
9
9
20
9
4.5
3.5
4.5
9
9
22
9
5
4.5
5
9
9
Upper coolant pipe
Supercharger upper coolant pipe
1)
Engine –
3.0L CGXC
Fastener Tightening Specifications
For bolt tightening clarification, refer to ElsaWeb, Radiator and Coolant Fan
Overview, items 22 and 23.
Audi A5/S5 Quick Reference Specification Book
•
November 2012
63
Fuel Supply – 3.0L CGXC
Fastener Tightening Specifications
Component
Accelerator pedal module mounting bolt
Carrier plate
Fuel delivery connection protective plate
Fuel delivery unit union nut 1)
Fuel filler neck-to-body mounting bolt
Fuel pump control module mounting bolt
Fuel tank heat shield mounting nut
Fuel tank securing strap mounting bolt
Leak Detection Pump (LDP) air filter mounting nut
Leak Detection Pump (LDP)-to-EVAP canister mounting
bolt 2)
Nm
8
20
8
120
20
2.5
2
20
5
4
16
1.5
8
Locking flange cover mounting bolt
Protective plate for fuel filler tube
1)
2)
Replace fastener(s).
For bolt tightening clarification refer, to ElsaWeb, EVAP Canister and Leak
Detection System Assembly Overview, items 4 and 5.
Turbocharger – 3.0L CGXC
Fastener Tightening Specifications
Component
Bleeder screw
Changeover valves bracket
Charge air pressure sensor
Drive head 1)
Engine lifting eye
Insulation plate
Left Charge Air Cooler (CAC) 1)
Right Charge Air Cooler (CAC) 1)
Structure borne sound actuator
Structure borne sound control module
Supercharger nut
Supercharger threaded pin
1)
Nm
1.5 to 3.0
9
10
25
27
5
10
10
5
5
20
17
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TSB/Document ID: Quick Ref Spec B
Replacement Service Bulletin Number:
MFR Communication Date: 2012-11-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
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