Replacement of spark plugs and HT leads,MOTRONIC (V6 engine)
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Replacement of spark plugs and HT leads,
MOTRONIC (V6 engine)
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1.
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Remove the engine covers.
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2.
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Remove the three front spark plugs/HT leads.
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3.
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Remove the air induction hose from between the air cleaner and the
throttle body.
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4.
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Remove the seven nuts securing the upper part of the intake manifold.
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5.
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Slacken the lower and remove the upper bolt from the intake manifold
bracket.
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6.
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Unplug the idle air control valve connector.
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7.
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Disconnect the vacuum hose.
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8.
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Remove the brake servo hose from the intake manifold.
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9.
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Remove the cable conduit.
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10.
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Disconnect the leads from the TCS throttle body and main throttle
body.
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11.
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Remove the three hoses located underneath
the throttle body.
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12.
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Carefully lift off the upper part of the intake
manifold and place
it on the engine in the centre.
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Important
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Cover or plug the inlets to the engine so that dirt and other foreign
objects are prevented from getting into the engine.
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13.
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Remove the three rear spark plugs/HT leads.
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14.
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Bend up the intake manifold and clean the flanges. Fit a new
gasket.
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On refitting, the seven nuts must be tightened in the order
shown.
Tightening torque, spark plugs: 25-29 Nm (18.5-21.5 lbf
ft).
Tightening torque, intake manifold: 20 Nm (15 lbf
ft)
