This repair manual includes repair and service information for Audi 80 and 80 quattro, Audi 90 and 90 quattro 20V and Coupe quattro 20-valve models sold in the USA and Canada.

The new, updated Audi 80, 90 Coupe Quattro Official Factory Repair Manual combines comprehensive repair manual and troubleshooting information with the Electrical Troubleshooting Manual, for vehicles manufactured from 1988 to 1992. All the information of two books now available in one volume!

The Electrical Troubleshooting Manual is the most complete source of Audi electrical system information ever published. The General Information section includes basic instruction for the do-it-yourselfer that takes the mystery out of electrical troubleshooting.

Each of the 40 Circuit Sections is a detailed breakdown of a specific part of the electrical system-all the information you will need to know about that particular circuit, and all in one place.

For the Audi owner with basic mechanical skills and for the independent automotive technician, this manual includes the specifications and procedures that were available in an authorized Audi dealer service department, including:

• Engine?for 4-cylinder and 5-cylinder engines, including 5-cylinder 20-valve engines
  
  
• Fuel injection, ignition, exhaust and emission controls?from simple preventive maintenance to in-depth troubleshooting
  
  
• Transmission and drivetrain?the 3-speed and electronically-controlled 4-speed automatic transmissions, 5-speed manual transmissions, and quattro all-wheel-drive
  
  
• Suspension, steering and brakes?strut replacement and brake service, including ABS troubleshooting and complete wheel alignment specifications
  
  
• Air conditioning and electronic climate control?adjustments and troubleshooting
  
  
• Step-by-step procedures, large detailed views of complex assemblies broken down to their simplest parts, complete specifications and tightening torques