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1993 Audi 90 Quattro CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator 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 1993 Audi 90 Quattro car and truck
repair procedures including Audi 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 Audi 90 Quattro automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1993 Audi 90 Quattro AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1993 Audi 90 Quattro CS 2.8 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1993 Audi 90 Quattro AUTOMOBILES
Power Brake Units -> Power Brake Unit Service -> A4 -> Except A4 -> Hydraulic Booster/Servo -> Vacuum Booster
Vehicle: 1993 Audi 90 Quattro CS 2.8 V6 GAS
Hydraulic Booster/Servo
A4
- Remove master cylinder as outlined under "Hydraulic Brake System" section.
- Disconnect hydraulic lines from brake servo unit.
- Remove stowage area from under lefthand side dash.
- Disconnect vacuum line from booster/servo.
- Remove brake servo unit attaching bolts.
- Pull back and remove brake lamp switch and cruise control vent valve from brake pedal if equipped.
- Install removal tool No. 3289, then disconnect pushrod from brake pedal.
- Remove brake servo unit
- Reverse procedure to install. Bleed brake system.
Except A4
- Remove master cylinder as outlined under "Hydrau... "
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1993 Audi 90 Quattro AUTOMOBILES
Audi -> Component Locations -> 1991-05 2.8L V6
Vehicle: 1993 Audi 90 Quattro CS 2.8 V6 GAS
Refer to Fig...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1993 Audi 90 Quattro AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1993 Audi 90 Quattro CS 2.8 V6 GAS
Propeller shaft work must be performed with vehicle on a suitable dual support hoist. Models equipped with an air bag system have a front propeller shaft section made of carbon fiber. This propeller shaft has variations in diameter which make installation and adjustment procedures different from that of previous propeller shafts.
- Raise and support vehicle, then remove catalytic converter and exhaust pipe.
- Tie exhaust system over to right side with wire, then loosen propeller shaft bolts at transmission, differential and center support.
- On models less air bag system, install a s...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1993 Audi 90 Quattro AUTOMOBILES
Alternator, Replace
Vehicle: 1993 Audi 90 Quattro CS 2.8 V6 GAS
- Disconnect battery ground cable.
- Remove serpentine drive belt Fig. , then disconnect electrical connections from alternator.
- Remove alternator mounting bolts and brackets, then ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1993 Audi 90 Quattro AUTOMOBILES
Audi -> Check Engine Lamp -> Less OBD II
Vehicle: 1993 Audi 90 Quattro CS 2.8 V6 GAS
The Check Engine lamp will be illuminated when the ignition switch is placed in the On position. After the engine is started, the lamp should go off. If the lamp remains lit, a diagnostic trouble code has been stored in the Electronic Control Unit (ECU) memory. After completing diagnosis and repairs, the Check engine lamp can be reset as follows:
- With ignition switch ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1993 Audi 90 Quattro AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1993 Audi 90 Quattro CS 2.8 V6 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at large coolant pipe and remove hose.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1993 Audi 90 Quattro AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1993 Audi 90 Quattro CS 2.8 V6 GAS
Mark direction of belt travel before removing, using a crayon or marker. Reinstalling a used belt in opposite direction could damage belt.
- Remove driv...
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COMPONENT LOCATION DIAGRAMS FOR 1993 Audi 90 Quattro AUTOMOBILES
Component location diagrams for most 1993 Audi 90 Quattro cars and light trucks sold in the U.S. from 1990+.
 Fuse/Relay Panel Diagram for 1993 Audi 90 Quattro CS 2.8 V6 GASComponents on diagram: |
 Air Bag Component Locations Diagram for 1993 Audi 90 Quattro CS 2.8 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1993 Audi 90 Quattro AUTOMOBILES
OEM drawn wiring diagrams for most 1993 Audi 90 Quattro cars and light trucks sold in the U.S.
 1993 Audi 90 Quattro CS 2.8 V6 GAS Wiring DiagramComponents on diagram: |
 1993 Audi 90 Quattro CS 2.8 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1993 Audi 90 Quattro AUTOMOBILES
OEM TSB listings for most 1993 Audi 90 Quattro cars and light trucks sold in the U.S. from 1985+.
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Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 1993 Audi 90 Quattro CS 2.8 V6 GAS Auto Systems: |
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Document: LATCH SYSTEM, INSTALLING/RETROFITTING - REVISED Vehicle: 1993 Audi 90 Quattro CS 2.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1993 Audi 90 Quattro AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1993 Audi 90 Quattro 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 1993 Audi 90 Quattro 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 1993 Audi 90 Quattro 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 1993 Audi 90 Quattro 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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