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Specifications Audi 90 B3

Specifications 8 illustrations ~215 words

INTRODUCTION

Use this article to quickly find specifications related to servicing and on-vehicle adjustments. This article may be used for quick reference when you are familiar with proper adjustment procedures and only needing a specification.

CAPACITIES

ApplicationAmp Hr. Rating
All Models63

BATTERY SPECIFICATIONS

ApplicationQuantity
Crankcase (Includes Filter)3.5 qts. (3.0L)
Cooling System (Includes Heater)7.4 qts. (7.0L)
Auto. Transmission (Dexron II)3.2 qts. (2.8L)
Auto. Transmission Final Drive (SAE 90).8 qts. (.8L)
Man. Transmission (SAE 75W-90)2.5 qts. (2.4L)
Differential (SAE 80W-90/API GL-5).8 qts. (.8L)

FLUID CAPACITIES

ApplicationQuantity
Crankcase (Includes Filter)5.0 qts. (4.5L)
Cooling System (Includes Heater)8.4 qts. (8.0L)
Man. Transmission (SAE 80W-90)2.7 qts. (2.6L)
Man. Trans. (SAE 80W-90) 100/200 Models2.5 qts. (2.4L)
Auto. Transmission (Dexron II)3.5 qts. (3.0L)
Auto. Transmission (Final Drive)1.1 qts. (1.0L)
Differential (SAE 80W-90/API GL-5)
80/90( Man. Trans.).8 qts. (.8L)
100/200 Quattro (Man. Trans.)1.8 qts. (1.7L)

FLUID CAPACITIES

ComponentInterval (Miles)
Oil & Filter7500
Air Filter30,000
Cam Timing Belt60,000
Coolant30,000
Fuel Filter30,000
Spark Plugs15,000

REPLACEMENT INTERVALS

ComponentInterval (Miles)
Oil & Filter (1)15,000
Air Filter30,000
Cam Timing Belt60,000
Coolant30,000
Fuel Filter15,000
Spark Plugs30,000
(1) Turbo models have 2 oil filters. Change both every 15,000 miles.
(1)Turbo models have 2 oil filters. Change both every 15,000 miles.

REPLACEMENT INTERVALS

Application(1) Deflection In. (mm)
All Belts3/8-9/16 (10-15)
(1) Measured with 20 lbs. (9 kg) pressure applied at midpoint of longest belt run.
(1)Measured with 20 lbs. (9 kg) pressure applied at midpoint of longest belt run.

BELT ADJUSTMENT

ENGINE COMPRESSION

ApplicationSpecification
Compression Ratio10.4:1
Compression Pressure
Normal (New Engine)152-196 psi (10.7-13.7 kg/cm 2 )
Minimum109 psi (7.7 kg/cm 2 )
Maximum Variation
Between Cylinders44 psi (3 kg/cm 2 )

COMPRESSION SPECIFICATIONS

ApplicationSpecification
Compression Ratio
2.22L Turbo7.8:1
2.3L10:1
Compression Pressure
2.22L Turbo
Normal (New Engine)100-130 psi (7-9 kg/cm 2 )
Minimum72 psi (5 kg/cm 2 )
2.3L
Normal (New Engine)145-203 psi (10.2-14.3 kg/cm 2 )
Minimum116 psi (8.2 kg/cm 2 )
Maximum Variation Between Cylinders44 psi (3 kg/cm 2 )

COMPRESSION SPECIFICATIONS

VALVE CLEARANCE

Note. All models are equipped with hydraulic lifters. No adjustments are required.

Note. Right and left sides refer to engine, as viewed from flywheel.

VALVE ARRANGEMENT - 4-CYLINDER

E-I-E-I-I-E-I-E (Front-to-rear).

VALVE ARRANGEMENT - 5-CYLINDER

E-I-E-I-I-E-I-E-I-E (Front-to-rear).

DISTRIBUTOR ROTOR

ApplicationOhms
All Models600-1400

DISTRIBUTOR ROTOR RESISTANCE

IGNITION COIL

ApplicationPrimarySecondary
All Models.5-1.55000-9000

IGNITION COIL RESISTANCE

HIGH TENSION WIRE RESISTANCE

ApplicationOhms
Coil Wire
With Radio1200-2800
Without RadioZero
Spark Plug Wire
With Radio4600-7400
Without Radio600-1400
Spark Plug Connector
With Radio4000-6000
Without Radio600-1400
Spark Plug Suppressor600-1400

HIGH TENSION WIRE RESISTANCE

SPARK PLUGS

ApplicationBoschChampion
All ModelsW7DTCN8GY

SPARK PLUG TYPE

ApplicationGap: In. (mm)Torque: Ft. Lbs. (N.m)
All Models.028-.036 (.7-.9)15 (20)

SPARK PLUG SPECIFICATIONS

Firing Order & Distributor Rotation - 4-Cylinder. Scheme 1

Scheme 1: Firing Order & Distributor Rotation - 4-Cylinder

Firing Order & Distributor Rotation - 5-Cylinder. Scheme 2

Scheme 2: Firing Order & Distributor Rotation - 5-Cylinder

Note. Ignition timing, idle speed, and idle mixture are closely interelated on all models and MUST be checked/adjusted together. See the ADJUSTMENTS article.

ApplicationSetting
Checking Value4-8 @ 780-900
Adjusting Value5-7 @ 780-900

IGNITION TIMING

ApplicationSetting
2.22L (1)TDC @ 750-850
2.3L
Checking Value13-17 @ 720-860
Adjusting Value14-16 @ 720-860
(1) Idle speed for automatic transmission is 670-770 RPM.
(1)Idle speed for automatic transmission is 670-770 RPM.

IGNITION TIMING

Scheme 3

Scheme 3

For specifications (Scheme 4)- (Scheme 7).

Scheme 4

Scheme 4: Fuel System Specifications

Scheme 5

Scheme 5

Scheme 6

Scheme 6

Scheme 7

Scheme 7

Fuel Pump Delivery Rate

For fuel pump delivery rate (volume) (Scheme 8)

Scheme 8

Scheme 8: Fuel Pump Delivery Rate

INJECTOR RESISTANCE

ApplicationOhms
2.0L1-3

INJECTOR RESISTANCE SPECIFICATIONS

ApplicationIdle RPMCO%
All Models780-900.2-1.2

IDLE SPEED & CO LEVEL SPECIFICATIONS

ApplicationIdle RPMCO%
2.22L (1)750-850.3-1.2
2.3L
Checking Value720-860.3-3.0
Adjusting Value720-860.6-1.0
(1) Idle speed for automatic transmission is 670-770 RPM.
(1)Idle speed for automatic transmission is 670-770 RPM.

IDLE SPEED & CO LEVEL SPECIFICATIONS

See also:
ADJUSTMENTS