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Audi A3 1.8 20V Turbo (1781ccm) 1998-2003


Service Repair Manual

Year1998-2003
Engine codeAQA
Engine size1781ccm
Power132kw
Idle speed800-920/720-840rpm
Compression10.0-13.0bar
Minimum compression7.0bar
Fuel systemBosch Motronic
Firing order1-3-4-2
Spark plugNGK PFR6Q
Electrode gap0.8mm
CO0.5%
CO content at increased idle speed0.3%
Increased idle speed for CO test2500-2800rpm
Lambda0.97-1.03
Radiator cap1.4-1.6bar
Thermostat opens87-102℃
Ventilator turn on92-97℃
Battery63Ah
Alternator70A
Cylinder head tightening torque 140Nm
Cylinder head tightening torque 290°
Cylinder head tightening torque 390°
Spark plug Tightening torque30Nm
Engine oil with filter4.6l
Cooling system5.0l
Gearbox oil 2.0/2.6l
Engine oil gradeVW 502.00 SAE 5W-30
VW 502.00 SAE 5W-40
VW 502.00 SAE 10W-30
VW 502.00 SAE 10W-40
VW 501.01 SAE 5W-50
VW 501.01 SAE 10W-50
Gearbox oil gradeVW G50 SAE 75W-90
VW G51 SAE 75W-90
Brake fluidDOT 4
Timing belt180000km
Wheel info eng
Tire dimension (x/y R z)195/65 R15
205/60 R15
Front wheel presure2.2bar
Rear wheel presure2.4bar
Wheel bolt tightening torque (B)120Nm
Brakes info
Minimal front brake disk thickness (R)20.0/23.0mm
Minimal rear brake disk thickness (R)7.0mm


Manufacturer

Audi

Model

A3

Type

1.8 20V Turbo

Year

1998-2003

Engine code

AQA

Engine size

1781ccm

Power

132kw


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