To remove

Remove the upper engine cover.
Detach the ground cables and unplug the connectors of the engine control module.
IMPORTANT: Take care when releasing the locking mechanism on the connector so as not to damage the connector. Pull the halves straight apart to avoid bending the pins. For further information regarding connectors, refer to CONNECTORS, HANDLING AND INSPECTION .
Remove the engine control module with mounting. The lower hole of the mounting is slotted.

Fig 1: Illustration For Steps 2 to 3
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Unplug the atmospheric pressure sensor connector.

Fig 2: Illustration For Steps 4 To 6
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Remove the cable duct from the plate bracket.
Remove the plate bracket from the intake manifold.
Detach the brake vacuum hose from the intake manifold.

Fig 3: Illustration For Steps 7 To 8
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the holder and check valves for crankcase ventilation and tank bleeding.
Unplug the ignition coil connectors. At cylinder 4, the ignition coil must be loosened and lifted slightly in order to unplug the connector.

Fig 4: Illustration For Steps 9 To 10
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the ignition coils.
Remove the spark plugs using 83 95 485 SPARK PLUG SOCKET, WITH GUIDE SLEEVES .

Fig 5: Identifying Spark Plug Socket, With Guide Sleeves
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