Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 641
00 – General, Technical Data
1
Safety Precautions
(Edition 04.2015)
⇒ “1.1 Safety Precautions, Working on Fuel Supply System”,
.
⇒ “1.2 Start/Stop System Safety Precautions”, page 1
.
⇒ “1.3 Safety Precautions, Road Test with Testing Equipment”,
.
⇒ “1.4 Ignition System Safety Precautions”, page 2
.
⇒ “1.5 Cooling System Safety Precautions”, page 2
.
1.1
Safety Precautions, Working on Fuel
Supply System
There Is a Risk of Injury Because the Fuel Is under High Pressure.
Fuel system is under high pressure. Injury from fuel squirting out
is possible.
– Release the fuel system before opening the fuel system.
Procedure for releasing the fuel high pressure. Refer to
⇒ “1.2 High Fuel Pressure, Reducing”, page 283
.
Burn Risk Due to Escaping Fuel.
With the battery connected, the door contact switch activates the
fuel pump when opening the driver door. Escaped fuel can ignite
and lead to fire.
– Before opening the fuel system interruption the power supply
for the fuel pump.
1.2
Start/Stop System Safety Precautions
There Is a Risk of Injury from the Engine Starting Unexpectedly.
The engine can start unexpectedly for vehicles while the start/stop
system is activated. If the Start/Stop System is activated, is rec‐
ognized by a message in the instrument cluster.
– Deactivate the Start/Stop System: switch off the ignition.
1.3
Safety Precautions, Road Test with
Testing Equipment
There Is a Risk of Injury Due to Unsecured Testing Equipment.
If the front passenger airbag activates during an accident unse‐
cured testing equipment becomes a dangerous projectile.
– Secure testing equipment on the rear seat.
or
– Have a second person operate testing equipment on the rear
seat.
1.4
Ignition System Safety Precautions
There Is a Risk of Injury Due to Electric Shock.
With the engine running the ignition system is under high voltage.
Electric shock is possible through contact with the ignition system.
– Never touch or remove ignition wires when engine is running
or turning at starting speed.
Danger of Damaging the Components.
An engine wash as well as connecting and disconnecting electri‐
cal component wires with the engine running can cause damage.
– Switch off the ignition before connecting and disconnecting
wires.
– Switch off the ignition before an engine wash.
1.5
Cooling System Safety Precautions
There Is a Risk of Burns from Hot Coolant.
The coolant system is under pressure when the engine is warm.
Risk of scalding due to hot steam and hot coolant.
– Wear safety gloves.
– Wear protective eyewear.
– Reduce the pressure: cover the coolant reservoir cap with a
cloth and carefully open.
2
Identification
⇒ “2.1 Engine Number/Engine Characteristics”, page 3
2.1
Engine Number/Engine Characteristics
Engine Number
The engine number (“engine codes” and “serial number”) are lo‐
cated at the engine/transmission joint.
The engine code is also printed behind the oil filter on the cylinder
block.
There is also a label glued to the timing chain cover with the “en‐
gine code” and “serial number”.
The first three digits describe the mechanical structure of the en‐
gine and are still stamped on the engine. The fourth digit de‐
scribes the engine output and torque and depends on the engine
control module. Four-digit engine codes are found on the type
plate and vehicle data label. It can also be read via the Engine
Control Module (ECM).
Note
Vehicle data label locations. Refer to ⇒ Maintenance ; Booklet
36.1 ; General Information; Vehicle Data Label
Engine Data
Code Letters
CXBA
CXBB
CNSA
CNSB
Manufactured from
07/2014
07/2014
07/2014
07/2014
Emissions values
SULEV
SULEV
SULEV
SULEV
Displacement
liter
1.8
1.8
1.8
1.8
Output
kW at RPM 125 at 4800 to
6200
125 at 4520 to
6250
125 at 4800 to
6200
125 at 4500 to
6200
Torque
Nm at RPM 250 at 1500 to
4700
270 at 1600 to
4200
250 at 1500 to
4700
270 at 1500 to
4400
Bore
diameter in mm
82.5
82.5
82.5
82.5
Stroke
mm
84.1
84.1
84.1
84.1
Compression ratio
9.6:1
9.6:1
9.6:1
9.6:1
RON
95
95
95
95
Fuel Injection System
Direct fuel in‐
jection
Direct fuel in‐
jection
Direct fuel in‐
jection
Direct fuel in‐
jection
Ignition se‐
quence
1-3-4-2
1-3-4-2
1-3-4-2
1-3-4-2
Turbocharger
Turbocharger Turbocharger Turbocharger Turbocharger
Variable valve timing
Intake and ex‐
haust camshaft
Intake and ex‐
haust camshaft
Intake and ex‐
haust camshaft
Intake and ex‐
haust camshaft
Valve stroke
adjustment
No
No
No
No
Secondary Air Injection (AIR)
Yes
No
Yes
Yes
Valves per cylinder
4
4
4
4
Oil pressure control
Yes
Yes
Yes
Yes
Code Letters
CXCA
CNTA
Manufactured from
07/2014
From 11/2013
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