1983 Audi 5000 BaseFACTORY OEM SERVICE PROCEDURE

Idle Speed

  1. Warm engine to normal operating temperature (oil temperature of 122-158Β°F or 50-70Β°C). Turn idle speed control knob on instrument panel counterclockwise to stop.
  2. Connect tachometer (VW 1367 or Siemans 451) according to instructions. Loosen lock nut to adjust idle speed. Turn screw in to raise idle speed, or out to lower idle speed. Retighten lock nut. See Fig 1 .
Fig 1: Adjusting Idle and Maximum Speed
G34585
IDLE SPEED SPECIFICATION

Application RPM
4-Cylinder 900-1000
5-Cylinder 720-780
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.