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Home >> Porsche >> 1980 >> 924 Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> PORSCHE Turbocharging System >> Removal & Installation >> Turbocharger Assembly >> Removal

Turbocharger Assembly: Removal

  1. Remove engine guard and rubber cap from oxygen sensor and plug. Remove starter and disconnect and remove bypass line between exhaust manifold and wastegate.
  2. Remove nuts between turbine housing and exhaust pipe. Remove bolts from flange between front and rear mufflers. Loosen muffler suspension bracket and remove rear muffler. Loosen heat shields over bypass line and loosen pipe clamp.
  3. Disconnect control line at wastegate and remove entire exhaust line with wastegate. Be careful not to damage oxygen sensor.
    NOTE: Some vehicles will have a vent line for the wastegate. This can only be removed after lowering exhaust line.
  4. Disconnect oil lines leading to engine oil cooler and oil feed line for turbocharger. Plug oil lines at oil filter flange. Disconnect and remove oil filter flange, catching the escaping oil. Loosen oil clamps and pull out oil lines from the front.
  5. Remove pressure duct and take off air cleaner upper and lower sections. Remove mounting nuts from bottom of fuel distributor. Loosen hose clamps on dust cover and move fuel distributor to one side.
  6. Unscrew mounting bolt on pressure duct and take off pressure duct. Remove nuts holding exhaust manifold and turbocharger. Unscrew Allen head nuts. Loosen hose clamp. Disconnect both sides of stabilizer. Disconnect steering gear from control arm.
  7. Disconnect turbocharger base and remove turbocharger with console toward front. Pull off hose from wastegate connection.