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Home >> Audi >> 1991 >> 100 Base >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Turbocharger >> Removal
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Fuel System: Turbocharger: Removal

  1. Disconnect negative battery cable. Drain engine coolant and oil. Remove oxygen sensor. Remove oil dipstick guide and "O" ring. See Fig 1 .
    Fig 1: Exploded View of Turbocharger Assembly (200)
    G91J16534Courtesy of AUDI OF AMERICA, INC.
  2. Disconnect air intake hose and vacuum hoses. Remove air hose and air outlet housing. Remove heat protectors. Disconnect exhaust pipe from turbocharger, wastegate pipe, transmission and muffler.
  3. Remove cooling hose from alternator and right engine mount. Disconnect oil and coolant return line. Disconnect alternator and oil supply line. Remove turbocharger assembly. To install, reverse removal procedure. Tighten bolts and nuts to specification. See TORQUE SPECIFICATIONS.