Table of contents: System type ↓ Recommended fuel ↓ Fuel system characteristics ↓ Tightening torques for threaded… ↓
System type
- ADP Engine (1595 cm³) — Bosch Motronic 3.2
- AHL Engine (1595 cm³) — Simos
- ADR engine (1781 cm³) — Bosch Motronic 3.2
- AFY Engine (1781 cm³) — Bosch Motronic 3.2
- APT Engine (1781 cm³) — Bosch Motronic 3.2
- Engine APW(17B1 cm³) — Bosch Motronic 3.2
- AEB engine (1781 cm³) — Bosch Motronic 3.2
- AJL Engine (1781 cm³) — Bosch Motronic 3.2
Recommended fuel
Minimum octane rating:
- Engines ADP, AHL, ADR, APT, APW, AEB, AJL
- Best performance - 95
- Minor power loss - 91
- AFY Engine (equipped with a catalytic converter) — 88
Fuel system characteristics
Fuel pump type - Electric, submersible (in tank)
Fuel pump performance (battery voltage 12V) — 260 cm³/15 sec
Pressure generated by the pump at idle speed:
- Vacuum hose installed - 3.5 bar (approximate)
- Vacuum hose removed - 4.0 bar (approximate)
Minimum holding pressure (in 10 minutes) — 2.5 bar
Idle speed (not configurable, controlled by the electronic control unit):
- ADP, ADR (up to 06/96), AEB engines — 820...900 min⁻¹
- ADR engines (since 07/96), AFY, AEB, AJL — 780...900 min⁻¹
- AHI engines — 760...960 min⁻¹
- EnginesAPT, APW - 810...910 min⁻¹
CO content at idle (not configurable, control by commands from the control unit) — 0.1...1.1%
Electrical resistance of the injector (at room temperature):
- ADP motor - 14...16 Ohm
- ADR, AEB, AFY, AEB, AJL engines — 11...13 Ohm
- AHI motors - 14...17 Ohm
- Motors APT, APW - 12...13 Ohm
Engine speed sensor resistance:
- Motors ADP, ADR, AFY, AEB, AJL - 480...1000 Ohm
- AHL motors - 730...1000 Ohm
- Motors APT, APW - 450...1000 Ohm
Tightening torques for threaded connections Nm
Catalytic converter to turbocharger - 30
Cooling pipe to intake manifold (engines ADP, AEB, AJL) — 10
Return cooling pipe to turbocharger - 30
Turbocharger Cooling Feed Pipe - 25
Fuel rail to intake manifold - 10
Fuel tank filler neck - 25
Fuel tank mounting bolts - 25
Intake manifold:
- ADP, AHL — 20
- ADR, AFY, AEB, AJL — 10
Intake Manifold Support Bracket - 20
Lambda probe - 50
Return oil pipe to turbocharger - 10
Turbocharger Oil Feed Pipe - 25
Turbocharger bracket - 40
The original article is posted on the resource AudiManual.ru
