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Removing
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‒ Remove spark plug connectors with tool 3277 A.
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‒ →
Remove ignition cable ducts -1- and -2-.
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‒ Pull crankcase breather valve off cylinder head cover and breather hose to activated charcoal filter solenoid valve 1 off intake manifold upper part.
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‒ Remove intake hose from air mass meter to throttle valve housing or to throttle valve control part.
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‒ Pull connectors off throttle valve potentiometer or throttle valve control part, heater element, idling stabilization valve and intake manifold temperature sender.
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‒ Detach accelerator cable at throttle valve housing or throttle valve control part and support bracket (do not remove retainer).
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‒ Open and close the expansion tank cap, to release cooling system pressure.
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‒ Pull coolant hoses off throttle valve housing and clamp the hose ends.
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‒ Pull vacuum hose off fuel pressure regulator and brake servo.
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‒ Unscrew intake manifold support to cylinder head.
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‒ Now unscrew intake manifold upper part from intake manifold lower part and remove.
Note:
Seal the intake channels in the intake manifold lower part and/or in cylinder head with clean cloths.
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‒ Remove wiring to injectors from cable duct.
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‒ Then remove injectors with fuel rail.
Note:
If the injectors are seated too securely in the inlet manifold lower part carefully lever out, using a 16 mm OJ spanner under valve body.
Installing
Install in reverse order.
Note:
When installing injectors ensure that O-rings are not/will not be damaged. To facilitate installation, moisten O-rings lightly with oil.
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‒ Adjusting throttle cable
=> Repair group 20; Removing and installing parts of fuel supply system; Adjusting throttle cable
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