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2003 Volkswagen Golf CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Volkswagen REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2003 Volkswagen Golf AUTOMOBILES
Volkswagen -> Automatic Temperature Control System Diagnosis & Testing -> Diagnosis & Testing -> A/C System Performance Inspection -> Accessing Diagnostic Trouble Codes -> Basic Setting Mode -> Clearing Diagnostic Trouble Codes -> Component Testing -> Control Module Coding -> Control Module Version Inspection -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> End Output Mode -> Eurovan -> GTI & Jetta -> Output Diagnostic Test Mode -> Passat -> Read Measuring Value Block Inspection
Vehicle: 2003 Volkswagen Golf GTI 1.8 L4 GAS
A/C System Performance Inspection
Refer to for A/C system performance inspection.
Accessing Diagnostic Trouble Codes
To access DTCs, connect a VAG scan tool No. 1551/1552 with adapter cable No. 1551/3, or equivalents, to vehicle data link connector located under instrument panel to the lefthand side of steering column, Fig. . Follow scan tool manufacturer's instructions to access DTCs.
Diagnostic Trouble Code Interpretation
Refer to Fig. , for Diagnostic Trouble Code (DTC) identification and description.
Diagnostic Tests
Eurovan
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BRAKE SERVICE PROCEDURES FOR 2003 Volkswagen Golf AUTOMOBILES
Anti-lock Brakes -> Precautions -> Audio Coded Anti-Theft System -> Battery Ground Cable -> Brake Fluid
Vehicle: 2003 Volkswagen Golf GTI 1.8 L4 GAS
Battery Ground Cable
Prior to service, disconnect battery ground cable and isolate as required.
Audio Coded Anti-Theft System
Some models are equipped with a radio anti-theft system that will disable the system when battery power is interrupted. Unless the system is reset the radio will not operate.
- Turn radio On. SAFE and 1000 should be displayed.
- Enter radio code using first four program station buttons. Security code will appear on display.
- Depress and hold righthand side of rad...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Volkswagen Golf AUTOMOBILES
Volkswagen -> Fuel Filter Replacement -> Gasoline Engines -> Models w/Fitting Or Union Bolt Connection -> Models w/Fuel Hose Connection
Vehicle: 2003 Volkswagen Golf 2.0 L4 GAS
Models w/Fuel Hose Connection
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
After the battery has been disconnected and reconnected, some abnormal driveabilty symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strategy.
- Obtain the vehicle owners radio theft protection code prior to disconnecting the battery ground cable.
- Disconnect the battery ground cable.
- On models equipped with underbody moun...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Volkswagen Golf AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Volkswagen Golf 1.9 L4 DIESEL
- Remove drive axle retaining nut while vehicle is still on ground.
- Raise and support vehicle, then remove tire and wheel.
- Mark position of bolts attaching ball joints to control arms, then remove bolts and separate ball joint from control arm. Discard bolts.
- Remove drive axle to transaxle drive flange attaching bolts.
- Mount a suitable puller tool onto hub assembly and press axle shaft out of hub. Do not flex CV or tripod joints more than 25° from their original angles.
- On models equipped with automatic transaxle,remove pendulum support mounting bolts, Fig. .
- Push engine and tran...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Volkswagen Golf AUTOMOBILES
Starter, Replace
Vehicle: 2003 Volkswagen Golf GTI 2.8 V6 GAS
- Remove battery and battery carrier.
- Disconnect electrical connector and remove from retainer.
- Disconnect terminal 50 connector.
- Remove nut and terminal 30 wire from starter.
- Remove wiring from wiring guides.
- Remove wiring guides.
- Raise and support vehicle.
- Remove middle cover of engine compartment noise insulation.
- Remove lefthand engine comp...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Volkswagen Golf AUTOMOBILES
Cabin Air Filter Service -> Volkswagen -> 1993-2004 Golf, GTI & Jetta
Vehicle: 2003 Volkswagen Golf GTI 2.8 V6 GAS
On 1993-96 models, the cabin air filter should be replaced every 15,000 miles.
On 1997-2003 models, the cabin air filter should be replaced every 10,000 miles.
On 2004 models, the cabin air filter should be replaced every 24 months or 20,000 miles.
- Open the hood.
- Remove the righthand plenum cover fasteners, then the cover.
- Remove the air deflector, if equipped.
- Press the cabin air filter housing clips downward, then remove the cabin air ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Volkswagen Golf AUTOMOBILES
Volkswagen -> Malfunction Indicator Lamp -> -> Digifant & Digifant II -> Digifant I -> OBD ll
Vehicle: 2003 Volkswagen Golf GTI 1.8 L4 GAS
OBD ll
If faults are recognized and verified by the engine control module, they will be indicated by switching on the MIL. Perform the functional inspection as follows: Turn the ignition switch to the ON position. The MIL must light up if the MIL does not light with the ignition switch on, inspect the bulb and/or locate and eliminate short or open in wiring circuit from the engine control module to MIL using a proper wiring diagram. If no fault can be detected in the wiring the ECM may be faulty. If the MIL lights with the ignition switch on, start engine and run at idle speed the MIL must go o...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Volkswagen Golf AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Volkswagen Golf GTI 2.8 V6 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at junction piece and remove hose.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Volkswagen Golf AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Volkswagen Golf GTI 1.8 L4 GAS
- Mark rotation of drive belt.
- Rotate or lift tensioner to release tension on drive belt.
- Lock be...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Volkswagen Golf AUTOMOBILES
Component location diagrams for most 2003 Volkswagen Golf cars and light trucks sold in the U.S. from 1990+.
Windshield and Rear Window Washer Pump Diagram for 2003 Volkswagen Golf 2.0 L4 GAS Components on diagram: |
Knock Sensor Diagram for 2003 Volkswagen Golf 2.0 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Volkswagen Golf AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Volkswagen Golf cars and light trucks sold in the U.S.
2003 Volkswagen Golf GTI 1.8 L4 GAS Wiring Diagram Components on diagram: |
2003 Volkswagen Golf 1.9 L4 DIESEL Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Volkswagen Golf AUTOMOBILES
OEM TSB listings for most 2003 Volkswagen Golf cars and light trucks sold in the U.S. from 1985+.
Document: Radio, Entering and Retrieving Anti-Theft (SAFE) Code Vehicle: 2003 Volkswagen Golf 1.9 L4 DIESEL Auto Systems: |
Document: Oil Consumption Measurement Vehicle: 2003 Volkswagen Golf 1.9 L4 DIESEL Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Volkswagen Golf AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Volkswagen Golf cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2003 Volkswagen Golf cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2003 Volkswagen Golf cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2003 Volkswagen Golf cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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