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General| Brand | Audi |
|---|---|
| Model | Coupe Quattro 1986 |
| Category | Automobile |
| Language | English |
Details the 20-valve engine, Quattro drivetrain, and suspension.
Covers frameless doors, sunroof, ABS, and interior equipment.
Explains the 4-valve-per-cylinder design and performance figures.
Details the crossflow design and spark plug placement for optimal combustion.
Explains how intake manifold design improves cylinder filling.
Discusses the exhaust manifold's role in gas flow and back pressure.
Describes the function and connections of the crankcase breather.
Explains vapor collection in the carbon canister and frequency valve control.
Details the fuel tank placement and the separate expansion tank.
Covers the mounting of fuel rails and injectors to the intake manifold.
Explains the function of the series resistor assembly for injector power.
Introduces the MPI system, air mass sensor, knock sensors, and injectors.
Pinpoints the control unit behind the A/C evaporator and its connectors.
Explains the oxygen sensor's role in monitoring exhaust gas for fuel mixture control.
Details the hot wire air mass sensor's principle of measuring airflow.
Describes throttle position sensing and idle speed stabilization.
Explains the NTC sensor's role in monitoring engine coolant temperature.
Details the two knock sensors used for detecting detonation.
Explains flywheel sender signals for engine speed and position.
Describes the idle stabilizer valve's role in regulating idle speed.
Explains the ignition coil and its associated Darlington power stage.
Covers activating fault display and interpreting diagnostic codes.
Details changes in front suspension geometry and components from previous models.
Explains the firm tuning of the rear suspension and wheel bearing housings.
Describes the latest wheel bearing housing without a circlip.
Covers front brake upgrades and the addition of a steering damper.
Introduces the central hydraulic system for steering and brake boost.
Explains the tandem pump for brake servo and power steering.
Details the accumulator's role in retaining hydraulic pressure for brakes.
Describes the brake servo's function and the master cylinder assembly.
Explains the frameless design and how the window seals against the body.
Details the electric window lift motor and cable routing.
Introduces the new generation sunroof and its modular assembly.
Describes the bolting and sealing of the rear quarter windows.
Explains the composite construction of the rear hatch assembly.
Outlines the advanced features of the digital climate control system.
Explains the use of two sensors to measure outside ambient temperature.
Describes the two interior sensors and how they calculate cabin temperature.
Details the A/C programmer's role in controlling system functions.
Explains the servo motor that operates the temperature regulation flaps.
Covers fault memory storage, access, and interpretation for climate control.
Identifies locations of alarm system switches, servos, and control units.
Locates ABS control unit, deceleration switch, and lock servos.
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