| Cylinder firing order | ||
| 4-cylinder engines |
1–3–4–2
| |
| 5-cylinder engines |
1–2–4–5–3
| |
| Maximum engine speed | ||
| 1Z and AHU |
5200 rpm
| |
| AVR, AAT and AEL |
5500 rpm
| |
| AAS |
4800±100 rpm
| |
| Idle speed | ||
| 1Z and AHU (not regulated) |
780 – 900 rpm
| |
| AVR (not regulated) |
800 – 840 rpm
| |
| AAT and AEL (not regulated) |
710 – 820 rpm
| |
| AAS |
800 – 900 rpm
| |
| Injection pump | ||
| Fuel injection advance: | ||
| – control value: | ||
| • ABP |
0.28 – 0.42 mm
| |
| • AAT and AEL |
0.18 – 0.32 mm
| |
| • AAS |
0.93 – 1.07 mm
| |
| – adjustment value: | ||
| • 1Z and AHU |
0.70±0.02 mm
| |
| – preliminary value: | ||
| • AVR |
0.42 mm
| |
| • AAT and AEL |
0.32 mm
| |
| –final value: | ||
| • AVR |
0.35±0.02 mm
| |
| • AAT and AEL |
0.25±0.02 mm
| |
| • AAS |
1.00±0.02 mm
| |
| Injectors | ||
| Opening pressure |
New injectors
|
Minimum acceptable
|
| 1Z, AHU and AAT |
190 – 200 Bar
|
170 Bar
|
| AVR |
190 – 195 Bar
|
165 Bar
|
| AAS |
130 – 138 Bar
|
120 Bar
|
Tightening torques for threaded connections
| Rear camshaft sprocket mounting bolt (AVR, AAT and AEL) |
50
|
| Fastening the pressure regulating valve |
45
|
| Shut-off valve (1Z and AHU) |
20
|
| Shut-off valve (AVR, AAT and AEL) |
40
|
| Fuel Pipe Connections (1Z and AHU) |
25
|
| Fuel line connections (AVR, AAT and AEL) |
30
|
| Fuel tank |
20
|
| Injection pump drive belt tensioner nut (AVR, AAT and AEL) |
45
|
| Injection Pump Banjo Connection Bolts (1Z and AHU) |
25
|
| Injection Pump Banjo Connection Bolts (AVR, AAT and AEL) |
20
|
| Injection pump mounting (AVR, AAT and AEL) |
20
|
| Injection Pump Mounting and Bracket (1Z and AHU) |
25
|
| Injection pump mounting bracket (AVR, AAT and AEL) |
45
|
| Injection pump sprocket |
45
|
| Injection pump installation plug (AVR, AAT and AEL) |
20
|
| Injection pump housing |
10
|
| Injectors (AAS) |
70
|
| Injector mounting bolts (1Z, ABP, AAT and AEL) |
20
|
| Return line hose connections on the injection pump |
28
|
| Engine starting system valve |
12
|
[A link to the original source is available on the website: AudiManual.ru]