1987 Audi 5000 CS, StandardFACTORY OEM SERVICE PROCEDURE

Engine Performance: System: Turbocharger: Description

Vehicles use a turbocharger, mounted directly to front of exhaust manifold. A wastegate is attached to rear of exhaust manifold. Other system components include an additional safety switch to prevent excessive boost, oil cooler mounted behind the front spoiler, injector cooling thermoswitch, intercooler, dual oil filters, and an oil thermostat.

Engine modifications include a piston cooling system (oil jet spray), low compression pistons, larger piston pins, sodium-filled exhaust valves, and increased oil capacity.

Fig 1: Exploded View of Turbocharger
G35714Courtesy of AUDI OF AMERICA, INC.
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.