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Removing The Spark Plugs From A Giulia/Stelvio 2.9 Quadrifoglio
You will need a thin walled 14mm spark plug socket for this task, Snap-on supply a 12 point one, their part number is S9714MK.
Spark plug 670050892
 | Unclip the air box outlet pipes on both sides. |
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 | Disconnect the two breather hoses on both sides. |
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 | Separate the two rubber concertinas to the air housing box. |
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 | Remove the plastic engine cover. |
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 | Unclip the coolant tank return hose at the top right corner (facing the engine). |
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 | Remove the air housing box. |
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 | Slide back the yellow locking tab on the coil packs and unplug. |
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 | Undo the 5mm Allen bolts on the coil packs and remove the coil packs. |
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 | The spark plugs are at the bottom of a long tube which tapers two thirds down. |
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 | Undo the spark plugs using a thin walled 14mm socket... |
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 | ....and extract the plugs. |
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Related Links: Air filter replacement | Fixed price servicing | Oil and filter change