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Engine Controls - Specifications Volkswagen Fox G1

Specifications 2 illustrations ~290 words

INTRODUCTION

Use this article to quickly find specifications related to servicing and on-vehicle adjustments. This is a quick-reference article for when you are familiar with an adjustment procedure and only need a specification.

BATTERY SPECIFICATIONS

ApplicationAmp Hr. Rating
Cabriolet, Fox, Jetta & Jetta GLi
Without A/C54
With A/C63
Corrado63
Golf GL/GTI 1.8L, & Vanagon63

BATTERY SPECIFICATIONS

FLUID CAPACITIES

ApplicationQuantity: Qts. (L)
Automatic Transaxle (Dexron-II)(1) 3.2 (3.0)
Automatic Transaxle Final Drive (SAE 90/API GL-5)
Except Vanagon.8 (.76)
Vanagon1.4 (1.3)
Cooling System (Includes Heater)
Cabriolet5.1 (4.8)
Corrado6.0 (5.5)
Fox6.9 (6.5)
Golf GL/GTI (1.8L)7.3 (7.0)
Jetta GLi (2.0L)5.1 (4.8)
Jetta5.1 (4.8)
Vanagon18.4 (17.5)
Crankcase (Includes Filter)
Fox3.7 (3.5)
Vanagon4.8 (4.5)
All Other Models4.3 (4.1)
Manual Transaxle (SAE 80W-90/API GL-4)
Fox1.8 (1.7)
Vanagon3.2 (3.0)
All Other Models2.1 (2.0)
(1) Refill capacity.
(1)Refill capacity.

FLUID CAPACITIES

DRIVE BELT ADJUSTMENT - EXCEPT VANAGON

Application(1) Deflection In. (mm)
Alternator
New(2) 5/64 (2)
Old13/64 (5)
A/C Compressor
New3/8 (10)
Old3/8 (10)
Power Steering
New5/64 (2)
Old13/64 (5)
(1) Deflection is with 22 lbs. (10 kg) pressure applied midway on longest belt run. (2) Use 3/8" (10 mm) on models with A/C.
(1)Deflection is with 22 lbs. (10 kg) pressure applied midway on longest belt run.
(2)Use 3/8" (10 mm) on models with A/C.

BELT ADJUSTMENT - EXCEPT VANAGON

DRIVE BELT ADJUSTMENT - VANAGON

Application(1) Deflection In. (mm)
Alternator3/8-9/16 (10-15)
A/C Compressor3/8 (10)
(1) Deflection is with 22 lbs. (10 kg) pressure applied midway on longest belt run.
(1)Deflection is with 22 lbs. (10 kg) pressure applied midway on longest belt run.

BELT ADJUSTMENT - VANAGON

SERVICE INTERVALS & SPECIFICATIONS

ComponentInterval (Miles)
Air Filter30,000
Coolant30,000
Fuel Filter (1)15,000
Oil & Filter7500
Spark Plugs30,000
(1) Discard mini-fuel at 1000-mile maintenance interval. Install new copper gaskets.
(1)Discard mini-fuel at 1000-mile maintenance interval. Install new copper gaskets.

REPLACEMENT INTERVALS

ENGINE COMPRESSION

ApplicationPsi (kg/cm 2 )Compression Ratio
Cabriolet131-174 (9.0-12.0)8.5:1
Corrado116-174 (8.0-12.0)8.0:1
Fox131-174 (9.0-12.0)9.0:1
Golf GL/GTI131-174 (9.0-12.0)10.0:1
Jetta131-174 (9.0-12.0)10.0:1
Jetta GLi145-190 (10.0-13.0)10.0:1
Vanagon145-190 (10.0-13.0)9.0:1

COMPRESSION SPECIFICATION

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.

1.8L & 2.0L

Left Side: All Intake; Right Side: All Exhaust

2.1L

Both Banks: E-I-I-E

IGNITION COIL

ApplicationPrimarySecondary
Jetta GLi.60-.706500-8500
All Other Models.52-.762400-3500
(1) Ohms @ 68°F (20°C).
(1)Ohms @ 68°F (20°C).

IGNITION COIL RESISTANCE (1)

HIGH TENSION WIRE RESISTANCE - EXCEPT VANAGON

ApplicationOhms
Coil Wire Only(1) *
Coil Wire With Connector1600-2400
Spark Plug Wire/Connector4000-6000
Suppressor (2)600-1400
(1) Check for continuity. (2) Suppressor is located between ignition wire and distributor cap.
(1)Check for continuity.
(2)Suppressor is located between ignition wire and distributor cap.

HIGH TENSION WIRE RESISTANCE - EXCEPT VANAGON

HIGH TENSION WIRE RESISTANCE - VANAGON

ApplicationOhms
Coil Wire With Connectors1200-2800
Spark Plug Wire/Connector4600-7400
Spark Plug Connector4000-6000
Suppressor (1)600-1400
(1) Check for continuity.
(1)Check for continuity.

HIGH TENSION WIRE RESISTANCE - VANAGON

SPARK PLUGS

ApplicationBoschChampion
CabrioletW7DTCN7BYC
CorradoWR7DSN8GY
FoxWR7DSN8GY
Golf GL/Jetta 1.8LWR7DSN8GY
Jetta GLi 2.0LF6DSRN8GY
VanagonW7CCON288

SPARK PLUG TYPE

ApplicationGap: In. (mm)Torque: Ft. Lbs. (N.m)
All Models.028-.032 (.70-.80)14 (19)

SPARK PLUG SPECIFICATIONS

Scheme 1

Scheme 1: Firing Order & Distributor Rotation - 1.8L & 2.0L
Scheme 1: Firing Order & Distributor Rotation - 1.8L & 2.0L

Scheme 2

Scheme 2: Firing Order & Distributor Rotation - 2.1L
Scheme 2: Firing Order & Distributor Rotation - 2.1L

Timing mark location is on flywheel. Timing pointer is on timing hole on transaxle bellhousing.

Timing mark on crankshaft belt pulley and notch on "V" belt pulley must align with separating line of crankcase.

Note. Always reference under-hood label for latest specifications.

ApplicationCheckingAdjusting
1.8L4-8 @ 870-9305-7 @ 870-930
2.0L4-8 @ 770-8305-7 @ 770-830
2.1L4-8 @ 800-9005-7 @ 800-900
(1) Degrees BTDC @ RPM.
(1)Degrees BTDC @ RPM.

IGNITION TIMING (1)

Note. Off idle timing is computer controlled on models with knock sensor. For adjustment procedures, see ADJUSTMENTS

DISTRIBUTOR ADVANCE

ApplicationDegrees Total AdvanceRPM
Cabriolet & Fox22-264500
Golf GL & Jetta23-276000
Vanagon21-253400

DISTRIBUTOR ADVANCE SPECIFICATIONS

FUEL PUMP

Note. Fuel pump performance is a measurement of fuel pressure and volume availability, not regulated fuel pressure.

FUEL PUMP PERFORMANCE (AFC-DIGIFANT)

ApplicationPsi (kg/cm 2 )Min. Vol. 30 Sec.: Pts. (L)
Cabriolet, Corrado29-36 (2.0-2.5)1.0 (.5)
Golf GL/GTI & Jetta29-36 (2.0-2.5)1.0 (.5)
Vanagon33-39 (2.3-2.7)1.0 (.5)

FUEL PUMP PERFORMANCE (AFC-DIGIFANT)

FUEL PUMP PERFORMANCE (CIS-E & CIS-MOTRONIC)

Application & VoltageMin. Vol. in 30 Sec.: Pts. (L)
Fox
10.8 (.375)
111.1 (.520)
121.4 (.675)
Jetta GLi
101.0 (.460)
111.3 (.620)
121.6 (.750)

FUEL PUMP PERFORMANCE (CIS-E & CIS-MOTRONIC)

REGULATED FUEL PRESSURE

Model/ Application(1) Engine Off psi (kg/cm 2 )At Idle psi (kg/cm 2 )
Fox38.0 (2.6)75-82 (5.3-5.8)
Jetta GLi48.0 (3.3)89-95 (6.1-6.6)
Cabriolet, Corrado29-36 (2.0-2.5)75-82 (5.2-5.6)
Golf GL/GTI, Jetta29-36 (2.0-2.5)75-82 (5.2-5.6)
Vanagon29-36 (2.0-2.5)(2) 33 (2.2)
(1) After checking fuel pressure at idle, turn ignition switch to the OFF position. (2) With pressure regulator vacuum hose disconnected, pressure should be 36 psi (2.5 kg/cm 2 ).
(1)After checking fuel pressure at idle, turn ignition switch to the OFF position.
(2)With pressure regulator vacuum hose disconnected, pressure should be 36 psi (2.5 kg/cm 2 ).

REGULATED FUEL PRESSURE

INJECTOR RESISTANCE

ApplicationOhms
Vanagon16.0-16.4
All Other Models(1) 3.7-5.0
(1) Resistance measured at main electrical connector on the end of fuel rail.
(1)Resistance measured at main electrical connector on the end of fuel rail.

INJECTOR RESISTANCE SPECIFICATIONS

IDLE SPEED & MIXTURE

ApplicationIdle RPM% CO Level
Cabriolet850-10000.3-1.2
Fox800-10000.3-1.2
Golf800-10000.3-1.2
Golf GT800-9000.3-1.2
GTI800-10000.3-1.2
Jetta800-10000.3-1.2
Vanagon830-9300.3-1.2

IDLE SPEED & CO LEVEL

See also:
• ADJUSTMENTS