NHTSA ID Number: 10122268
Manufacturer Communication Number: QRG - 2014 Golf-
TSB/Document Date: 2017-11-08
Summary
2014 Volkswagen
Golf, GTI, & Golf R Quick Reference Specification Book: This document is an overview which covers -General Information -Vehicle Identification -Sales Codes -Vehicle Lifting -ENGINES -TRANSMISSIONS
27 Nm
3 - Oil Spray Jet
4 - Connecting Rod Bearing Cap
5 - Bearing Shell
6 - Connecting Rod
7 - Circlip
8 - Piston Pin
9 - Piston
10 - Piston Rings
236
VW Golf & GTI Quick Reference Specification Book • January 2014
Crankshaft Dimensions
Honing dimensions in
mm
Crankshaft bearing
pin diameter
Basic dimension
58.00
1st oversize
57.75
2 oversize
57.50
Stage III
57.25
nd
-0.022
-0.042
-0.02
Connecting rod
bearing
pin diameter
47.80
-0.022
-0.042
47.55
-0.022
-0.042
-0.022
-0.042
-0.022
-0.042
-0.042
-0.022
-0.042
-0.022
-0.042
47.30
47.05
New
Wear limit
0.20 to 0.40
0.8
Oil scraping ring
0.25 to 0.50
0.8
Engine –
2.5L CBTA/CBUA
Piston Ring End Gaps
Piston ring
dimensions in mm
Compression ring
Piston Ring Clearance
Piston ring
dimensions in mm
1st compression ring
2nd compression ring
Oil scraping rings
New
Wear limit
0.06 to 0.09
0.20
0.03 to 0.06
0.15
Cannot be measured
Piston and Cylinder Dimensions
Honing dimension
in mm
Basic dimension
1)
Piston diameter
82.465 1)
Cylinder bore
diameter
82.51
Measurements without graphite coating (thickness = 0.02 mm). The graphite
coating wears off.
VW Golf & GTI Quick Reference Specification Book • January 2014
237
Cylinder Head, Valvetrain – 2.5L CBTA and
CBUA
Cylinder Head Overview
1 - Bolt
10 Nm
2 - Cylinder Head Cover
3 - Cylinder Head Cover Gasket
4 - Crankcase Ventilation Hose
5 - Cap
6 - Gasket
7 - Bolt
10 Nm
8 - Wire Bracket
9 - Seal
10 - Wire Bracket
11 - Timing Chain Cover
238
VW Golf & GTI Quick Reference Specification Book • January 2014
2 Nm
13 - Camshaft Adjustment Valve 1 -N20514 - O-ring
15 - Bolt
10 Nm
16 - Camshaft Position Sensor -G4017 - Transport Strap
18 - Bolt
25 Nm
19 - Cylinder Head Gasket
Always replace
20 - Cylinder Head
21 - Cap
22 - Gasket
Always replace
23 - Bolt
40 Nm + 180° turn
Always replace
Follow the loosening and tightening sequence. see Cylinder Head
below
24 - Wire Bracket
Cylinder Head Cover Bolt Tightening Sequence
VW Golf & GTI Quick Reference Specification Book • January 2014
239
Engine –
2.5L CBTA/CBUA
12 - Bolt
Camshaft Timing Chain Overview
1 - Intake Camshaft Adjuster
2 - Exhaust Camshaft Sprocket
3 - Cylinder Head
4 - Tensioning Rail
5 - Double Sprocket
6 - Timing Chain
7 - Strainer
Always replace
8 - Bolt
10 Nm
9 - Chain Tensioner
10 - Gasket
Always replace
11 - Guide Rail
240
VW Golf & GTI Quick Reference Specification Book • January 2014
12 - Bolt
60 Nm + 90° turn
Always replace
Engine –
2.5L CBTA/CBUA
13 - Bolt
60 Nm + 90° turn
Always replace
VW Golf & GTI Quick Reference Specification Book • January 2014
241
Oil Pump Timing Chain Overview
1 - Cylinder Block
2 - Guide Rail
3 - Chain Tensioner
4 - Bolt
10 Nm
5 - Oil Pump Sprocket
6 - Oil Pump Timing Chain
7 - Bolt
20 Nm + 90° turn
Always replace
8 - Guide Rail
9 - Bolt
10 Nm
10 - Axial Bearing Disc
242
VW Golf & GTI Quick Reference Specification Book • January 2014
11 - Bolt
Engine –
2.5L CBTA/CBUA
60 Nm + 90° turn
Always replace
12 - Camshaft and Oil Pump Timing Chains Double Sprocket
13 - Gear Shaft
14 - Threaded Pin
40 Nm
VW Golf & GTI Quick Reference Specification Book • January 2014
243
Valvetrain Overview
1 - Bolt
8 Nm + 90° turn
Always replace
2 - Guide Frame
3 - Exhaust Camshaft Sprocket
4 - Bolt
60 Nm + 90° turn
Always replace
5 - Bolt
60 Nm + 90° turn
Always replace
6 - Intake Camshaft Adjuster
7 - Seals
8 - Timing Chain
9 - Cylinder Head
10 - Roller Rocker Arm with Hydraulic Lash Adjuster
244
VW Golf & GTI Quick Reference Specification Book • January 2014
11 - Valve Retainers
12 - Upper Spring Seat
13 - Valve Spring
14 - Valve Stem Seal
15 - Valve Guide
16 - Intake Valve
17 - Exhaust Valve
18 - Sealing Plug
Always replace
19 - Intake Camshaft
20 - Exhaust Camshaft
Engine –
2.5L CBTA/CBUA
Cylinder Head Cover Bolt Tightening
Sequence and Specification
Step
1
Component
Tighten the bolts in the sequence shown
Nm
10
VW Golf & GTI Quick Reference Specification Book • January 2014
245
Cylinder Head Bolt Tightening
Sequence and Specification
Steps Component
1
Install the cylinder head bolts in sequence
2
Tighten the bolts in sequence, using a torque
wrench.
3
Tighten the bolts in sequence, using a ratchet.
4
246
Tighten the bolts in sequence, using a ratchet.
Nm
Hand tighten
40
an additional
90° (¼ turn)
an additional
90° (¼ turn)
VW Golf & GTI Quick Reference Specification Book • January 2014
Valve Dimensions
Intake valve
26.80 to 27.00
5.95 to 5.97
104.84 to105.34
45
Exhaust valve
29.80 to 30.00
5.94 to 5.95
103.64 to 104.14
45
Engine –
2.5L CBTA/CBUA
Dimension
Diameter a
mm
Diameter b
mm
c
mm
α
∠°
Note: Intake and exhaust valves must not be refaced
by grinding. Only lapping is permitted.
Compression Pressures
New
Bar positive pressure
9.0 to 13.0
Wear limit
Bar positive pressure
8.0
Difference between
cylinders
Bar positive pressure
Max. 3.0
VW Golf & GTI Quick Reference Specification Book • January 2014
247
Lubrication – 2.5L CBTA and CBUA
Oil Pan and Oil Pump Overview
1 - Cylinder Block
2 - Oil Pump Timing Chain
3 - Bolt
20 Nm + 90° turn
Always replace
4 - Bolt
25 Nm
5 - Oil Filter Adapter
6 - Oil Pump Sprocket
7 - Oil Pump
8 - Bolt
25 Nm
9 - Oil Dipstick
10 - Retaining Ring
11 - Guide Tube
248
VW Golf & GTI Quick Reference Specification Book • January 2014
VW Golf & GTI Quick Reference Specification Book • January 2014
Engine –
2.5L CBTA/CBUA
12 - Intake Manifold Support
13 - Bolt
25 Nm
14 - O-ring
Always replace
15 - Seal
Always replace
16 - Bracket
17 - Bolt
10 Nm
18 - Lower Oil Pan
19 - Bolt
10 Nm
20 - Oil Pan Drain Plug
30 Nm
Always replace
21 - Coupling Element
Bolt - 10 Nm
22 - Oil Intake Pipe
23 - Bolt
25 Nm
24 - Upper Oil Pan
25 - O-ring
Always replace
249
Oil Filter Adapter Overview
1 - Bolt
25 Nm
2 - Oil Filter Adapter
3 - Gasket
Always replace
4 - Oil Pressure Switch -F120 Nm
5 - From Intake Tube
6 - Vent Hose
7 - Cap
8 - Oil Filter Housing
25 Nm
9 - Seal
Always replace
10 - Oil Filter Element
11 - Gasket
Always replace
250
VW Golf & GTI Quick Reference Specification Book • January 2014
12 - Engine Oil Cooler
13 - Bolt
25 Nm
14 - To Thermostat Housing
15 - Gasket
Always replace
Fastener Tightening Specifications
Nm
10
10
10
25
Engine –
2.5L CBTA/CBUA
Component
Lower oil pan to upper oil pan
Oil intake pipe to oil pump
Oil intake pipe to oil pump
Upper oil pan to cylinder block
VW Golf & GTI Quick Reference Specification Book • January 2014
251
Cooling System – 2.5L CBTA and CBUA
Coolant Pump and Thermostat Overview
Part 1: Belt Pulley Side
1 - Cylinder Block
2 - Engine Oil Cooler
3 - Bolt
25 Nm
4 - Bolt/Nut
10 Nm
5 - To Heater Core Lower Connection
6 - Retaining Clip
7 - O-ring
Always replace
8 - Front Coolant Pipe
9 - Connecting Hose
252
VW Golf & GTI Quick Reference Specification Book • January 2014
VW Golf & GTI Quick Reference Specification Book • January 2014
Engine –
2.5L CBTA/CBUA
10 - O-ring
Always replace
11 - Coolant Pipe
12 - Connecting Hose
13 - Cover
14 - To Radiator Lower Connection
15 - Bolt
5 Nm
16 - O-ring
Always replace
17 - Coolant Thermostat
18 - Seal
Always replace
19 - Bolt
25 Nm
20 - Coolant Thermostat Housing
21 - Seal
Always replace
22 - Accessory Bracket
23 - Bolt
10 Nm
24 - Coolant Pump
25 - Right Coolant Pipe
26 - To Expansion Tank Lower Connection
253
Part 2: Transmission Side
1 - Coolant Connection
2 - Thrust Ring
3 - Seal
4 - To Expansion Tank Upper Connection
5 - Rear Coolant Pipe
6 - Bolt/Nut
10 Nm
7 - Heat Shield
8 - To Heater Core Upper Connection
9 - Supply Hose
10 - Bypass Thermostat
11 - To Automatic Transmission Fluid Cooler
12 - To Heater Core Lower Connection
13 - From Automatic Transmission Fluid Cooler
14 - Return Hose
15 - Coolant Pipe
16 - To Coolant Thermostat Housing
254
VW Golf & GTI Quick Reference Specification Book • January 2014
Engine –
2.5L CBTA/CBUA
17 - Flange
18 - Supply Hose
19 - To Radiator Upper Connection
20 - Coolant Hoses
21 - Throttle Valve Control Module -J338-e
22 - Engine Coolant Temperature Sensor -G6223 - O-ring
Always replace
24 - Retaining Clip
VW Golf & GTI Quick Reference Specification Book • January 2014
255
Radiator and Fan Overview
1 - Upper Coolant Hose
2 - O-ring
3 - Radiator
4 - Gasket
5 - Cap
6 - Connector
- 3X Stronger than the leading full synthetic*
- 10X Better high stress performance**
- 20,000 miles between oil changes***
- Viscosity breakdown as measured in Kurt Orbahn test on 5W...
- As measured in Seq IX test under high load/torque conditions...
- Phosphorus Replacement Technology to help extend the life of...
- Reduces leaks, oil burnoff and power robbing deposits
- 15,000 miles between oil changes*
- Meets or exceeds the following specifications: API SP/SN...
- Or one year, whichever comes first
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TSB/Document ID: QRG - 2014 Golf-
Replacement Service Bulletin Number:
MFR Communication Date: 2014-02-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT ADAPTIVE/MOBILITY
MFR Component System:
MFR Component Subsystem:
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