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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 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 1998 Volkswagen Passat automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1998 Volkswagen Passat
- 1998 Volkswagen Passat GLX 2.8 V6 GAS, CC:2771, Fuel Injection, Engine VIN:, Desg:D
- 1998 Volkswagen Passat GLS 2.8 V6 GAS, CC:2771, Fuel Injection, Engine VIN:, Desg:D
- 1998 Volkswagen Passat GLS 2.8 V6 GAS, CC:2771, Fuel Injection
- 1998 Volkswagen Passat GLS 1.8 L4 GAS, CC:1781, Fuel Injection
A/C & HEATER SERVICE PROCEDURES FOR 1998 Volkswagen Passat AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Volkswagen Passat cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1998-2000 -> Leak Test -> Electronic Leak Detectors -> Fluid Leak Detectors
Vehicle: 1998 Volkswagen Passat GLS 2.8 V6 GAS
Testing the refrigerant system for leaks is one of the most important phases of troubleshooting. One or more of the methods outlined will prove useful in detecting leaks or checking connections if service work is performed. Before beginning any leak test, attach a manifold gauge set and note pressure. If little or no pressure is indicated, a partial charge must be installed. Check all connections, compressor head gasket, oil filler plug and compressor shaft seal for leaks.
R-12 leak detectors will not detect R-134a leaks. For R-134a system an electronic type leak detector i...
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A/C & HEATER SERVICE PROCEDURES FOR 1998 Volkswagen Passat AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Volkswagen Passat cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1998 Volkswagen Passat GLS 1.8 L4 GAS
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A/C & HEATER SERVICE PROCEDURES FOR 1998 Volkswagen Passat AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Volkswagen Passat cars and light trucks from 1990+
Volkswagen -> Component Replacement & Adjustment -> Control Cable, Replace -> 1999-2000 Golf & Jetta -> Air Conditioning -> Cabrio & 1998 Golf & Jetta -> Central Flap -> Eurovan -> Footwell & Defrost Control -> Footwell/Defrost -> Footwell/Defroster -> Footwell/Defroster Flap -> Less Air Conditioning -> Main Shutoff Flap -> New Beetle -> Passat -> Temperature & Central Blend Door -> Temperature Control -> Temperature Control Flap
Vehicle: 1998 Volkswagen Passat GLS 2.8 V6 GAS
Always connect cables at control end first and ensure control is properly mounted before adjusting cable.
After cable installation, check for proper operation. Controls should move freely in each direction.
Cabrio & 1998 Golf & Jetta
Main Shutoff Flap
- Remove control panel as outlined under "Control Panel, Replace."
- Remove lower dash insulator panels necessary to access control levers on air control box.
- Remove cable clips from cable at both ends, then disconnect cable from levers at both ends.
- Remove cable.
- Reverse procedure...
CLICK HERE TO GET FULL ACCESS TO 1998 Volkswagen Passat A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 Volkswagen Passat AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Volkswagen Passat cars and light trucks from 1990+
Volkswagen -> Component Replacement & Adjustment -> Condenser, Replace -> 1999-2000 Golf & Jetta -> Cabrio & 1998 Golf & Jetta -> Eurovan -> New Beetle -> Passat
Vehicle: 1998 Volkswagen Passat GLS 1.8 L4 GAS
Cabrio & 1998 Golf & Jetta
- Recover refrigerant as outlined under .
- Remove front bumper and bumper support.
- Disconnect refrigerant lines, then plug lines and condenser connections.
- Remove condenser.
- Reverse procedure to install.
1999-2000 Golf & Jetta
- Recover refrigerant as outlined under .
- Disconnect A/C lines at condenser.
- Disconnect hood release (3) cable from core support, Fig. .
- Disconnect all electrical connectors from core support and headlamp housing.
- Using a suitable screwdriver, remove clips (2) f...
CLICK HERE TO GET FULL ACCESS TO 1998 Volkswagen Passat A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 Volkswagen Passat AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Volkswagen Passat cars and light trucks from 1990+
Volkswagen -> Diagnosis & Testing -> A/C & Heater System Troubleshooting -> Compressor Clutch Does Not Engage -> Fresh Air Cannot Be Adjusted -> Fresh Air Cannot Be Turned Off -> Insufficient Cooling -> Insufficient Or No Heat -> Intermittent Cooling -> No Cooling -> Noisy Compressor -> Water Spraying From Panel Vents -> Windshield Does Not Clear
Vehicle: 1998 Volkswagen Passat GLX 2.8 V6 GAS
Compressor Clutch Does Not Engage
- Check condition of A/C system wires, connections and fuses.
- Check A/C compressor drive belt for wear or improper tension.
- Start engine, then turn A/C On.
- Using a jumper wire, briefly connect both blue wires (terminal Nos. 1 and 2) on A/C pressure switch. Do not jump terminals longer than necessary. Damage will occur to clutch and A/C system.
- If A/C compressor clutch engages, system is low on refrigerant.
Insufficient Cooling
- Check air distribution system, noting the ...
CLICK HERE TO GET FULL ACCESS TO 1998 Volkswagen Passat A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 Volkswagen Passat AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1998 Volkswagen Passat cars and light trucks from 1990+
Volkswagen -> Diagnosis & Testing -> A/C Component Diagnosis & Testing -> Cabrio & 1998 Golf & Jetta -> Cooling Fan Thermoswitch -> Eurovan -> High Pressure Switch -> Low Pressure Switch -> New Beetle, Passat & 1999-2000 Golf & Jetta -> Pressure Switch
Vehicle: 1998 Volkswagen Passat GLX 2.8 V6 GAS
Cabrio & 1998 Golf & Jetta
Cooling Fan Thermoswitch
- Drain cooling system and remove switch from radiator.
- Immerse switch sensor in temperature-controlled solution and check for continuity between switch terminals as solution is heated and cooled.
- Meter should indicate no continuity with temperature below 180°F. First stage contacts should close when temperature is 183-206°F, and second stage contacts should close when temperature is 201-226°F.
- If switch fails to perform as outlined, replace thermoswitch.
...
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