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Home >> Saab >> 2003 >> 9-3 Vector, Standard >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger System, Petrol (Late; 9440) >> Adjustment - Replacement >> Test pressurizing the charge air cooler and delivery pipes >> To remove

To remove

IMPORTANT: Exercise great care when pressurizing the charge air system. Too high pressure can damage the radiator, hoses and connections.
  1. Remove the upper engine cover.
    Fig 1: Illustration For Step 2
    G03604512Courtesy of SAAB-SCANIA OF AMERICA, INC.
  2. Remove the upper hose clips on the charge air hose under the turbo.
  3. Raise the car.
  4. Remove the charge air pipe retaining bolts on the oil pan.
    Fig 2: Illustration For Step 4
    G03604513Courtesy of SAAB-SCANIA OF AMERICA, INC.
  5. Pull down the charge air pipe so that the hose connection comes loose from the turbo.
  6. Lower the car.
  7. Fit 83 94 587 PLUG, TURBO HOSE  in the charge air pipe hose and tighten the hose clip.
    Fig 3: Illustration For Steps 7-11
    G03604514Courtesy of SAAB-SCANIA OF AMERICA, INC.
  8. Detach the charge air hose from the throttle body.
  9. Fit 83 94 595 PLUG, TURBO HOSE  in the hose and tighten the hose clip.
  10. Connect 83 93 514 CHARGE PRESSURE GAUGE  to the plug.
  11. Connect an air gun to the charge pressure meter's T-coupling.
  12. Carefully create a pressure of around 1 bar.
  13. Check that the pressure does not fall more than 0.1 bar in 30 seconds. If the pressure drop is greater or if hissing can be heard, then check the hoses, pipes and connections for leaks. Use soap water or similar to detect any leaks.
  14. If there are no leaks in the hoses or pipes and the pressure drops, remove the charge air cooler and test pressurize it. See TO REMOVE  and TO FIT  , charge air cooler.
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