Audi Q7 2007
!
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
Repair Group 00 – Technical data
6
2
♦
The engine number (“engine code” and “serial number”)
can be found at the front below the toothed belt for the
high-pressure pump (left-side) -arrow-.
♦
There is also a sticker on the toothed belt cover showing
the “engine code” and “serial number”.
1.2
Engine data
Audi Q7 models with a 3.0 ltr. TDI engine are always
equipped with steel glow plugs.
2
General repair instructions
2.1
Rules for cleanliness when working on the
injection system
Even small amounts of dirt can cause faults in the injection
system. When working on the fuel supply/injection system,
pay careful attention to the following basic rules:
Code letters
BUG
BUN
Capacity
ltr.
2.967
2.967
Power output
kW at rpm
171/4000
1551/4000
Torque
Nm at rpm
500/1500 … 2750
500/1400 … 2750
Bore
∅
in mm
83.0
83.0
Stroke
mm
91.4
91.4
Compression ratio
17
17
CN
at least
51
51
Firing order
1-4-3-6-2-5
1-4-3-6-2-5
Exhaust gas recirculation
yes
yes
Turbocharging/supercharging
yes
yes
Self-diagnosis
yes
yes
Glow plugs
Steel glow plugs
Steel glow plugs
Catalytic converter
yes
yes
Charge air cooling
yes
yes
Lambda control
yes
yes
Note
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