Intake manifold, removing a fitting
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Intake manifold, removing a fitting
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1.
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Remove the engine protection cover.
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4.
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Undo the lower generator bolt (2).
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5.
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Remove the generator bracket (1) - move back the generator.
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6.
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Remove the intake manifold support (3) from the intake manifold and detach it from the engine block - move the support to one side.
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7.
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Remove the engine ventilation hose (4) from the camshaft cover.
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8.
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Pull the tank vent valve line (1) from the throttle valve connection.
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9.
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Remove the coolant hoses (3) from the throttle valve connection - collect the coolant.
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10.
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remove the coolant line (5) from the intake manifold and the camshaft cover and lay to one side.
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11.
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Remove the brake server vacuum line (2) from the intake manifold.
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12.
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Pull off the cable set connector from the throttle valve connection.
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13.
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Undo or detach the following cable set connectors:
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1.
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tank vent valve
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2.
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camshaft sensor
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3.
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solenoid valve switch throttle
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4.
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Catalytic converter lambda sensor
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5.
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coolant temperature sensor
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14.
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Undo the cable set connector (1) and pull it off from the engine control unit.
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15.
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Undo the knock sensor cable set connector (2).
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16.
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Remove the holder (4) and ground cable (3) from the engine control unit.
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17.
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Remove the bolt (5) from the engine transport bracket.
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18.
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Pull off the connector strip together with the cable duct from the injectors and put them to one side.
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19.
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Lower the fuel pressure using pressure tester
83 94 744 Adapter, fuel pressure gauge
via the test connector - collect the fuel that runs out in a suitable container - observe safety regulations and national stipulations.
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20.
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Remove the fuel delivery line (6) from the fuel rail.
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21.
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Undo quick coupling (1) and remove the coolant hose (heating element) (2) - collect the coolant.
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22.
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Remove the engine rear transport bracket (1) from the cylinder head.
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23.
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Unscrew the retaining nuts (2) - remove the intake manifold.
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24.
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When changing the intake manifold: Transfer the components.
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1.
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Clean the sealing surfaces.
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2.
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Fit the intake manifold together with a new seal and new retaining nuts on the cylinder head - tightening torque 20 Nm.
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3.
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Fit the rear lifting eye onto the cylinder head - tightening torque 25 Nm.
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4.
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Fasten the brake servo vacuum line on the intake manifold.
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5.
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Fit the coolant line onto the intake manifold and camshaft cover - tightening torque 8 Nm.
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6.
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Fit coolant hoses onto throttle body and intake manifold.
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7.
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Fit the coolant hose (heating element).
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8.
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Remove the tank vent valve line from the throttle valve connection.
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9.
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Fit the ground cable and the holder to the engine control unit. Connect the knock sensor cable set connector and fasten it in the holder.
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10.
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Fit and lock the cable set connector for the engine control module.
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11.
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Fit the fuel line on the fuel rail - tightening torque 15 Nm.
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12.
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Fit the contact rail on the injectors - the contact rail should go on with an audible snap.
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13.
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Fit the contact strip retaining screw on the engine transport bracket.
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14.
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Couple or plug in the cables connected to the injector contact rail.
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15.
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Fit the engine vent hose on the camshaft cover.
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16.
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Fit the intake manifold support onto the intake manifold - tightening torque 20 Nm.
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17.
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Pull the intake manifold support off the cylinder head - tightening torque 35 Nm.
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18.
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Fit the generator bracket on the cylinder head, the intake manifold and the generator - tightening torque 20 Nm.
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19.
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Tighten the bottom generator retaining bolt - tightening torque 35 Nm.
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22.
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Fit the engine cover.
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