NHTSA ID Number: 10205698
Manufacturer Communication Number: Reference Guide
TSB/Document Date: 2021-12-27
Summary
Quick reference specification book.
Engine –
2.0L CETA
Letter on cylinder block
S
R
G
B
W
Audi TT Quick Reference Specification Book
•
October 2013
17
Bearing Cap Bearing Shell Identification
The identification on the crankshaft is for the lower bearing shell.
Note the letter and match it to the color identification in the table.
Letter on crankshaft
S
R
G
B
W
18
Color of bearing
Black
Red
Yellow
Blue
White
Audi
TT Quick Reference Specification Book
•
October 2013
Fastener Tightening Specifications
Component
A/C compressor
Accessory bracket 3)
Connecting rod bolt 1)
Nm
25
10
45 plus an
additional 90°
(¼ turn)
60 plus an
additional 90°
(¼ turn)
27
10 plus an
additional 90°
(¼ turn)
150 plus an
additional 90°
(¼ turn)
Dual mass flywheel 1)
Pressure relief valve
Sensor wheel 1)
Vibration damper 1) 2)
1)
2)
3)
Replace fastener(s).
Coat the O-ring with oil.
For bolt tightening clarification, refer to ElsaWeb, Ribbed Belt Drive Overview, items
7 and 10.
Crankshaft Dimensions
Reconditioning
Dimension in mm 1)
Basic dimension
1)
Crankshaft bearing
pin diameter
58.00
Connecting rod
bearing pin diameter
47.80
The preparation of worn crankshafts is not provided.
Piston Ring End Gaps
Piston ring
dimensions in mm
Compression ring
New
Wear limit
0.20 to 0.40
0.80
Oil scraping ring
0.25 to 0.50
0.80
Piston Ring Clearance
New
Wear limit
0.06 to 0.09
0.20
0.03 to 0.06
0.15
Cannot be measured
Audi TT Quick Reference Specification Book
•
October 2013
Engine –
2.0L CETA
Piston ring
dimensions in mm
1st compression ring
2nd compression ring
Oil scraping rings
19
Piston and Cylinder Dimensions
Honing dimension in
mm
Basic dimension
1)
Piston diameter
Cylinder bore
diameter
82.465 1)
82.51
Measurements without graphite coating (thickness = 0.02 mm). The graphite
coating wears off.
Accessory Assembly Bracket
Tightening Specifications
Step
1
2
3
20
Component
Tighten bolts 1 through 5 in sequence
Tighten bolts 1 through 5 in sequence
Tighten bolts 1 through 5 in sequence
Audi TT Quick Reference Specification Book
Nm
Hand-tighten
20
an additional
90° (¼ turn)
•
October 2013
Sealing Flange Tightening Specifications
Component
Tighten bolts 1 through 8 in sequence
Tighten bolts 1 through 8 in sequence
Nm
Hand-tighten
9
Engine –
2.0L CETA
Step
1
2
Audi TT Quick Reference Specification Book
•
October 2013
21
Crankshaft Assembly Tightening Specifications
Step
1
2
3
4
5
22
Component
Tighten bolts 1 through 10 and A in sequence
Tighten bolts 1 through 10 in sequence
Tighten bolts 1 through 10 in sequence
Nm
Hand-tighten
65
an additional
90° (¼ turn)
20
an additional
90° (¼ turn)
Tighten bolts A
Tighten bolts A
Audi TT Quick Reference Specification Book
•
October 2013
Cylinder Head, Valvetrain – 2.0L CETA
Fastener Tightening Specifications
Balance shaft 1)
Bearing bracket 1)
2)
Fastener
size
M6
M8
Camshaft adjuster actuator
Camshaft Position (CMP) sensor
Camshaft timing chain guide rail guide pins
Chain tensioner 4)
Chain tensioner 3)
Control valve
Engine lifting eye
Guide rail for timing chain, guide bolts
Heat shield 5) 6)
-
Mounting plate
Oil dipstick guide tube
Retaining plate
Sealing plugs
Tensioning rail for timing chain, guide bolts
Timing chain tensioning rail guide bolts
1)
2)
3)
4)
5)
6)
-
Nm
9
9
8 plus an
additional 90°
(¼ turn)
20 plus an
additional 90°
(¼ turn)
5
9
20
9
65
35
25
20
9
20
9
9
9
5
20
20
Replace fastener(s).
For bolt tightening clarification, refer to ElsaWeb, Camshaft Timing Chain Overview,
items 5 and 7.
For bolt tightening clarification, refer to ElsaWeb, Balance Shaft Timing Chain
Overview, item 4.
For bolt tightening clarification, refer to ElsaWeb, Camshaft Timing Chain Overview,
item 2.
For bolt tightening clarification, refer to ElsaWeb, Cylinder Head Overview, items
13, 15 and 16.
For bolt tightening clarification, refer to ElsaWeb, Cylinder Head Overview with AVS,
items 16, 18 and 19.
Audi TT Quick Reference Specification Book
•
October 2013
23
Engine –
2.0L CETA
Component
Valve Dimensions
Dimension
Diameter a
mm
Diameter b
mm
c
mm
α
∠°
Intake valve
33.85 ± 0.10
5.98 ± 0.01
104.0 ± 0.2
45
Exhaust valve
28.0 ± 0.1
5.96 ± 0.01
101.9 ± 0.2
45
NOTE: Intake and exhaust valves must not be
refaced by grinding. Only lapping is permitted.
Compression Pressures
New
Bar positive pressure
11.0 to 14.0
24
Wear limit
Bar positive pressure
7.0
Difference between
cylinders
Bar positive pressure
Maximum 3.0
Audi TT Quick Reference Specification Book
•
October 2013
Cylinder Head Removal Specifications (with AVS)
Remove cylinder head bolts (Æ) and 1 through 10 in sequence.
Engine –
2.0L CETA
Cylinder Head Removal Specifications (without AVS)
Remove cylinder head bolts (Æ) and 1 through 5 in sequence.
Audi TT Quick Reference Specification Book
•
October 2013
25
Cylinder Head Tightening Specifications (with AVS)
Step
1
2
Component
Tighten bolts 1 through 10 in sequence
Tighten bolts 1 through 10 in sequence
3
Tighten bolts 1 through 10 in sequence
4
5
Tighten bolts (Æ)
Tighten bolts (Æ)
26
Audi TT Quick Reference Specification Book
Nm
40
an additional
90° (¼ turn)
an additional
90° (¼ turn)
8
an additional
90° (¼ turn)
•
October 2013
Cylinder Head Tightening
Specifications (without AVS)
Component
Tighten bolts 1 through 5 in sequence
Tighten bolts 1 through 5 in sequence
3
Tighten bolts 1 through 5 in sequence
4
5
Tighten bolts (Æ)
Tighten bolts (Æ)
Nm
40
an additional
90° (¼ turn)
an additional
90° (¼ turn)
8
an additional
90° (¼ turn)
Engine –
2.0L CETA
Step
1
2
Audi TT Quick Reference Specification Book
•
October 2013
27
Cylinder Head Cover Removal Specifications
Loosen cylinder head cover bolts 1 through 6 in sequence.
28
Audi TT Quick Reference Specification Book
•
October 2013
Cylinder Head Cover Tightening Specifications
Nm
Hand-tighten
2
Tighten bolts 1 through 6 in sequence in several
stages 1)
Tighten bolts 1 through 6 in sequence
3
Tighten bolts 1 through 6 in sequence
an additional
90° (¼ turn)
1
8
Replace fastener(s).
Engine –
2.0L CETA
1)
Component
Audi TT Quick Reference Specification Book
•
October 2013
29
Crankcase Ventilation Tightening Specification
Step
1
30
Component
Tighten bolts 1 through 10 in sequence
Audi TT Quick Reference Specification Book
Nm
11
•
October 2013
Upper Timing Chain Cover Tightening Specification
Component
Tighten bolts 1 through 5 in sequence
Nm
9
Engine –
2.0L CETA
Step
1
Audi TT Quick Reference Specification Book
•
October 2013
31
Lower Timing Chain Cover Tightening Specifications
Step
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TSB/Document ID: Reference Guide
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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