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2004 Volkswagen Passat 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
- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Volkswagen Passat car and truck
repair procedures including Volkswagen engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Volkswagen Passat automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 Volkswagen Passat AUTOMOBILES
Volkswagen -> Electric Cooling Fans -> Precautions -> Air Bag System Disarming & Arming -> Audio Coded Anti-Theft System -> Battery Ground Cable -> Product Compatibility
Vehicle: 2004 Volkswagen Passat 4 Motion 4.0 W8 GAS
Air Bag System Disarming & Arming
Refer to and for air bag system disarming and arming procedures.
Audio Coded Anti-Theft System
Some models are equipped with an audio coded 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" should be displayed.
- Depress and hold AM/FM and SCAN buttons until "1000" remains on display. If AM/FM and SCAN buttons are depressed too long or depressed again, radio will misinterpret the "1000" as an attempt a...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Volkswagen Passat AUTOMOBILES
Volkswagen -> Fuel Filter Replacement -> Gasoline Engines -> Models w/Fitting Or Union Bolt Connection -> Models w/Fuel Hose Connection
Vehicle: 2004 Volkswagen Passat 4 Motion 4.0 W8 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 2004 Volkswagen Passat AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2004 Volkswagen Passat 4 Motion 2.8 V6 GAS
- Remove axle shaft hex bolt. (Only loosen when vehicle is resting on wheels there is a-risk of accident.)
- Remove wheel.
- Unbolt axle shaft at flange shaft. It is a hex key head bolt or multi-point key head bolt.
- Pull ABS speed sensor wiring out from retainer on brake caliper.
- Remove ABS speed sensor from wheel bearing housing.
- Remove nut, remove hex bolt, and pull both control arms out upward. Slits in wheel bearing housing must not be widened using a chisel or similar tool!
- If hex bolt canno...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Volkswagen Passat AUTOMOBILES
Alternator, Replace
Vehicle: 2004 Volkswagen Passat 1.8 L4 GAS
- Disconnect battery ground cable at battery.
- Remove screws from engine cover.
- Disconnect connector at MAF sensor.
- Remove clamps from charge air pipes.
- Remove engine cover.
- Remove air hoses from vehicle.
- Remove connecting tube from charge air cooler to turbocharger.
- Mark running direction of drive belt.
- Relieve tension on drive belt by rotating tensioner clockwise with a 16mm wr...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Volkswagen Passat AUTOMOBILES
Cabin Air Filter Service -> Volkswagen -> 1998-2005 Passat
Vehicle: 2004 Volkswagen Passat 4 Motion 2.8 V6 GAS
On 1998-2003 models, the cabin air filter should be replaced every 10,000 miles.
On 2004-05 models, the cabin air filter should be replaced every 24 months or 20,000 miles.
- Open the hood.
- Remove plenum air intake cover, Fig. .
- Remove the reta...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Volkswagen Passat AUTOMOBILES
Volkswagen -> Air Bag Warning Lamp ->
Vehicle: 2004 Volkswagen Passat 4 Motion 2.8 V6 GAS
If the Air Bag warning lamp lights and stays on, diagnosis and ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Volkswagen Passat AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2004 Volkswagen Passat 2.8 V6 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at connecting piece and remove hose.
- Remove hose from vehicle.
- Reverse procedure to...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Volkswagen Passat AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Volkswagen Passat 2.0 L4 DIESEL
- On models equipped with A/C, loosen bolts of air conditioning compressor belt tensioner and remove drive belt.
- On all models, mark direction of rotation of drive belt with chalk or felt pen, if belt is to be reused.
- Rotate drive belt tensioner clockwise to release drive belt tension, using a suitable tool.
- Remove alt...
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COMPONENT LOCATION DIAGRAMS FOR 2004 Volkswagen Passat AUTOMOBILES
Component location diagrams for most 2004 Volkswagen Passat cars and light trucks sold in the U.S. from 1990+.
 Driver's Heated Seat Temperature Sensor Diagram for 2004 Volkswagen Passat 1.8 L4 GASComponents on diagram: |
 Clutch Pedal Position Switch Diagram for 2004 Volkswagen Passat 4 Motion 2.8 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2004 Volkswagen Passat AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Volkswagen Passat cars and light trucks sold in the U.S.
 2004 Volkswagen Passat 2.8 V6 GAS Wiring DiagramComponents on diagram: |
 2004 Volkswagen Passat 4 Motion 2.8 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Volkswagen Passat AUTOMOBILES
OEM TSB listings for most 2004 Volkswagen Passat cars and light trucks sold in the U.S. from 1985+.
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Document: Radio, Entering and Retrieving Anti-Theft (SAFE) Code Vehicle: 2004 Volkswagen Passat 2.8 V6 GAS Auto Systems: |
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Document: Oil Consumption Measurement Vehicle: 2004 Volkswagen Passat 2.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Volkswagen Passat AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Volkswagen Passat 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 2004 Volkswagen Passat 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 2004 Volkswagen Passat 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 2004 Volkswagen Passat 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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