2019 Audi A4 Service and Repair Manual

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Factory-Grade Data

2019 Audi A4 service and repair manual a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What's included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Prestige Sedan 4-Door
  • Select Sedan 4-Door
  • Premium Sedan 4-Door
  • Premium Plus Sedan 4-Door
  • Titanium Sedan 4-Door
  • Sport Limited Edition Sedan 4-Door
  • Dynamic Sedan 4-Door
  • Komfort Sedan 4-Door

Engines covered

  • 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2019 Audi A4 Recalls & Complaints

NHTSA #21V87400010/11/2021Component: SEATS

Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabr

Consequence

A disabled passenger air bag increases the risk of injury in the event of a crash.

Remedy

Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of c

TSB #11032194

This bulletin is informational and contains information on the various warning lamps that may appear.

TSB #11032165

This bulletin provides informaiotn when the starter battery is discharged or defective.

TSB #11032137

This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool

TSB #11032131

This bulletin provides diagnostic information for the vehicle locking system.

TSB #11031064

This Reporting obligation requests that technicians contact the Technical Assistance Center (TAC) when the diagnostic tester refers to this reportin gobligation or to TPI 2033392.

TSB #11031053

This bulletin provides informaiton regarding the Universal Traffic Recorder.

TSB #11031051

This bulletin provides informaiotn about various infortainment system complaints.

TSB #11031048

This TSB provides information when there is moisture in footwell, damp smell in passenger compartment.

Showing the 8 most recent of 810 technical service bulletins on file with NHTSA.

20251203Component: FUEL SYSTEM, GASOLINECrash reported1 injured

The contact owns a 2019 Audi A4. The contact stated that the vehicle was involved in a crash that had damaged the fuel tank and fuel line. The contact stated that the vehicle had been repaired. The co

20251203Component: SERVICE BRAKESCrash reported

As I was pulling into a parking spot, traveling at a low speed I naturally applied the brakes but the car accelerated instead jumping a concrete curb and hitting a wall. In that moment I realized I ha

20251203Component: ELECTRICAL SYSTEMCrash reported

As I was pulling into a parking spot, traveling at a low speed I naturally applied the brakes but the car accelerated instead jumping a concrete curb and hitting a wall. In that moment I realized I ha

20251203Component: VEHICLE SPEED CONTROLCrash reported

As I was pulling into a parking spot, traveling at a low speed I naturally applied the brakes but the car accelerated instead jumping a concrete curb and hitting a wall. In that moment I realized I ha

20221129Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING1 injured

Audi Presense kicked in so violently on the 280E freeway towards NYC from Northern NJ, that my 15 y/o son now has a significant cervical spine injury, necessitating medical evaluation and treatment.

Showing the 5 most serious of 16 complaints filed with NHTSA.

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