90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990): Engine, Cooling and Exhaust
Also for this vehicle: 90 L5-2309cc 2.3L SOHC (NG) (1988), 90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989), 90 Quattro Sport V6-2.8L (AFC) (1995), 90CS Quattro V6-2.8L (AAH) (1994), 90CS Quattro V6-2.8L (AFC) (1995), 90S Quattro (Canada) V6-2.8L (AAH) (1993), 90S Quattro (Canada) V6-2.8L (AFC) (1995), 90S, CS V6-2.8L (AAH) (1994), 90S, CS V6-2.8L (AFC) (1995).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Engine225 pages
- Compression Check › System Information › Specifications2
Camshaft, Lifters and Push Rods6 pages
- Camshaft Gear/Sprocket › Component Information › Specifications
- Camshaft, Engine › Component Information › Specifications23
Lifter / Lash Adjuster, Valve › Component Information › Technical Service Bulletins2 pages
Cylinder Block Assembly13 pages
- Connecting Rod Bearing › Component Information › Specifications
- Connecting Rod, Engine › Component Information › Specifications › Connecting Rod Cap Torque2
- Crankshaft Gear/Sprocket › Component Information › Specifications
- Crankshaft Main Bearing › Component Information › Specifications
Crankshaft, Engine › Component Information5 pages
- Piston, Engine › Component Information › Specifications
- Piston Ring, Engine › Component Information › Specifications
- Rear Engine Plate › Component Information › Specifications
Cylinder Head Assembly13 pages
- Valve Clearance › System Information › Specifications2
- Fuel Pressure Release › System Information › Service and Repair
- Camshaft Housing › Component Information › Specifications
Valve Cover › Valve Cover Gasket › Component Information › Technical Service Bulletins2 pages
- Valve Guide › Component Information › Specifications2
- Valve Seat › Component Information › Specifications
- Valve Spring › Component Information › Tools and Equipment › Valve Spring Comp. Support - AST Tool # 203623
- Valve, Intake/Exhaust › Component Information › Specifications
Drive Belts, Mounts, Brackets and Accessories6 pages
Engine Lubrication69 pages
- Engine Oil Pressure › Component Information › Specifications › Mechanical Specifications2
- Engine Oil Drain Plug › Component Information › Specifications
Engine Oil › Component Information7 pages
Specifications3 pages
- Oil Filter, Engine › Component Information › Specifications
- Oil Pan, Engine › Component Information › Specifications23
Oil Pressure Sender › Component Information4 pages
- Oil Pressure Warning Lamp/Indicator › Component Information › Technical Service Bulletins › Dynamic Oil Pressure System - Troubleshooting Tips2
- Oil Pick Up/Strainer › Component Information › Specifications
- Oil Spray Jet › Component Information › Specifications
Oil Temperature Gauge › Component Information22 pages
- Oil Temperature Sensor/Switch, Engine › Component Information › Locations
- Intake Manifold › Component Information › Specifications
Lamps and Indicators - Engine45 pages
- Oil Pressure Warning Lamp/Indicator › Component Information › Technical Service Bulletins › Dynamic Oil Pressure System - Troubleshooting Tips2
Oil Temperature Gauge › Component Information22 pages
Seals and Gaskets, Engine7 pages
Crankshaft Main Bearing Seal › Component Information › Technical Service Bulletins2 pages
- Front Crankshaft Seal › Component Information › Technical Service Bulletins › Front Crankshaft - Oil Seal Removal Revision2
Valve Cover Gasket › Component Information › Technical Service Bulletins2 pages
- Valve Guide Seal › Component Information › Tools and Equipment
Sensors and Switches - Engine5 pages
Oil Pressure Sender › Component Information4 pages
- Oil Temperature Sensor/Switch, Engine › Component Information › Locations
Timing Components15 pages
- Camshaft Gear/Sprocket › Component Information › Specifications
- Crankshaft Gear/Sprocket › Component Information › Specifications
- Timing Belt › Component Information › Specifications23456
- Timing Chain › Component Information › Tools and Equipment23
- Timing Chain Idler Gear › Component Information › Specifications
- Timing Component Alignment Marks › Component Information › Locations2
- Timing Cover › Component Information › Specifications
Tune-up and Engine Performance Checks37 pages
- Fuel Pressure › System Information › Specifications23
Air/Fuel Mixture › System Information5 pages
Idle Speed › System Information5 pages
- Air Cleaner Housing › Air Filter Element › Component Information › Description and Operation2
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications
Ignition Cable › Component Information › Technical Service Bulletins4 pages
- Spark Plug › Component Information › Specifications2345
- Compression Check › System Information › Specifications2
- Valve Clearance › System Information › Specifications2
Water Pump › Component Information › Technical Service Bulletins6 pages
Cooling System288 pages
- Coolant › Component Information › Technical Service Bulletins › Cooling System - Coolant ID/Filling/Mixing Information23
Radiator Cooling Fan79 pages
Radiator Cooling Fan Motor › Component Information21 pages
- Radiator Cooling Fan Resistor › Component Information › Locations2
Radiator Cooling Fan Temperature Sensor / Switch › Component Information20 pages
- Fan Clutch › Component Information › Tools and Equipment
Engine - Coolant Temperature Sensor/Switch44 pages
- Coolant Temperature Sensor / Switch HVAC › Component Information › Specifications234
Coolant Temperature Sensor/Switch (For Computer) › Component Information19 pages
Radiator Cooling Fan Temperature Sensor / Switch › Component Information20 pages
- Temperature Sensor (Gauge) › Component Information › Locations
- Heater Control Valve › Component Information › Service and Repair
- Heater Core › Component Information › Service and Repair2345
Lamps and Indicators - Cooling System19 pages
- Radiator › Component Information › Locations
Relays and Modules - Cooling System35 pages
Sensors and Switches - Cooling System60 pages
Engine - Coolant Temperature Sensor/Switch44 pages
- Coolant Temperature Sensor / Switch HVAC › Component Information › Specifications234
Coolant Temperature Sensor/Switch (For Computer) › Component Information19 pages
Radiator Cooling Fan Temperature Sensor / Switch › Component Information20 pages
- Temperature Sensor (Gauge) › Component Information › Locations
- Temperature Warning Lamp/Indicator, Engine Cooling › Component Information › Testing and Inspection › Without Auto-Check System2
- Thermostat, Engine Cooling › Component Information › Specifications › Mechanical Specifications2
Water Pump › Component Information › Technical Service Bulletins4 pages
Exhaust System15 pages
Catalytic Converter › Component Information › Technical Service Bulletins2 pages
- Exhaust Manifold › Component Information › Specifications
- Exhaust Pipe › Component Information › Specifications23
Exhaust Pipe/Muffler Hanger › Component Information › Technical Service Bulletins2 pages
- Exhaust Sample Port › Component Information › Locations
Muffler › Component Information › Technical Service Bulletins6 pages