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1995 Audi 90 Quattro CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi 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
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 1995 Audi 90 Quattro AUTOMOBILES
Audi -> Component Replacement & Adjustment -> COOLING SYSTEM BLEED -> 2.22L/5-136 20V TURBO & 2.3L/5-141 20V DOHC ENGINES -> 2.22L/5-136 TURBO, 2.3L/5-141 SOHC, 3.6L/V8-217 & 4.2L/V8-254 ENGINES -> 2.8L/V6-169 ENGINE
Vehicle: 1995 Audi 90 Quattro Sport 2.8 V6 GAS
2.22L/5-136 TURBO, 2.3L/5-141 SOHC, 3.6L/V8-217 & 4.2L/V8-254 ENGINES
These engines do not require a specified bleed procedure. Set heater control on "Warm" then fill with coolant until expansion tank is full, run engine and continue to fill until level remains constant. Install expansion tank cap, then continue to run engine until cooling fan operates. Check coolant level and top off as necessary.
2.22L/5-136 20V TURBO & 2.3L/5-141 20V DOHC ENGINES
After draining system, open vent valve screw Fig. , then fill coolant up to MAX mark on expansion tank. O...
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BRAKE SERVICE PROCEDURES FOR 1995 Audi 90 Quattro AUTOMOBILES
Hydraulic Brake Systems -> Adjustments -> A6 & S6 -> Brake Pressure Regulator -> Cabriolet & 90
Vehicle: 1995 Audi 90 Quattro Sport 2.8 V6 GAS
Brake Pressure Regulator
Cabriolet & 90
- For the following procedure, the vehicle must be empty and standing level on all four wheels, fuel tank must be full and jack and spare tire must be in normal locations.
- Raise and support vehicle using a suitable wheel type lift.
- Ensure vehicle is level and suspension is in normal position.
- Loosen brake compensator spring adjustment bolt and nut.
- Insert pins of adjustment tool No. 3284 into holes on arm and body of brake compensator Fig. .
- Tighten spring adjustment bolt and nut, then remov...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1995 Audi 90 Quattro AUTOMOBILES
Audi -> Fuel Filter Scheduled Maintenance -> All 1989-05 -> Normal Service -> Severe Service
Vehicle: 1995 Audi 90 Quattro Sport 2.8 V6 GAS
Normal Service
Service as re...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1995 Audi 90 Quattro AUTOMOBILES
CV AXLE SHAFT, Replace -> Attached Wheel Bearing Housing -> Less Attached Wheel Bearing Housing
Vehicle: 1995 Audi 90 Quattro 2.8 V6 GAS
Attached Wheel Bearing Housing
- Loosen wheel bolts.
- Remove wheel hub to axle shaft bolt.
- Raise and support vehicle, then remove washer and wheel.
- Remove axle shaft flange, nut from link rod, and control arm to stabilizer bar to subframe mounting bolts.
- Push control arm downward, then press axle shaft out of hub using a suitable puller.
- Reverse procedure to install, noting the following:
- Ensure splines on stub axle and wheel hub are free of oil, grease and old locking compound.
- Apply a .2 inch (5mm) band of D6 locking compound around end of outer CV joint splines, then install axle...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1995 Audi 90 Quattro AUTOMOBILES
Starter, Replace
Vehicle: 1995 Audi 90 Quattro Sport 2.8 V6 GAS
- Remove alternator assembly.
- Disconnect starter motor electrical connectors.
- Raise and support vehicle.
- On models equipped with automatic transmission, remove right front wheel.
- Remove starter motor to transmission housing attaching bolts.
- Remove starter from ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1995 Audi 90 Quattro AUTOMOBILES
Audi -> Check Engine Lamp -> Less OBD II
Vehicle: 1995 Audi 90 Quattro Sport 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 1995 Audi 90 Quattro AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1995 Audi 90 Quattro 2.8 V6 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at cylinder head and remove hose.
- Remove hose from vehicle.
- Reverse procedure to i...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1995 Audi 90 Quattro AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1995 Audi 90 Quattro Sport 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 1995 Audi 90 Quattro AUTOMOBILES
Component location diagrams for most 1995 Audi 90 Quattro cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1995 Audi 90 Quattro AUTOMOBILES
OEM drawn wiring diagrams for most 1995 Audi 90 Quattro cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1995 Audi 90 Quattro AUTOMOBILES
OEM TSB listings for most 1995 Audi 90 Quattro cars and light trucks sold in the U.S. from 1985+.
Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 1995 Audi 90 Quattro 2.8 V6 GAS Auto Systems: |
Document: LATCH SYSTEM, INSTALLING/RETROFITTING - REVISED Vehicle: 1995 Audi 90 Quattro 2.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1995 Audi 90 Quattro AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1995 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 1995 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 1995 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 1995 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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