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Home >> Saab >> 2011 >> 9-3X Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Basic Engine, V6) >> Repair Instructions >> Engine compression test >> To remove
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To remove

WARNING: This page is about a different car, the 2009 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Man:  Put the gear lever in neutral. Aut:  Put the selector lever in position P. Remove the key from the ignition switch.
  2. Remove the Spark plugs. See SPARK PLUG .
  3. Remove relay no. 8 in the Underhood electrical centre 342. See Fig 1.
    Fig 1: Illustration For Step 3 (Relay No. 8)
    G05053739Courtesy of SAAB-SCANIA OF AMERICA, INC.
  4. Connect 83 93 886 Diagnostics cable, LH system to relay holder sleeves 87 and 30. Make sure that the switch is in the OFF position.
    Fig 2: Illustration For Step 4
    G05053740Courtesy of SAAB-SCANIA OF AMERICA, INC.
  5. Fit the Motometer compression tester for petrol engines to cylinder 1 with a new card.
    Fig 3: Illustration For Step 5
    G05053741Courtesy of SAAB-SCANIA OF AMERICA, INC.
  6. Run the starter motor using the test lead switch until the needle stops rising.
  7. Repeat the procedure on the other cylinders. For minimum compression, see PISTONS .
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