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to change the plugs you must take off the spark plug boots..you then take the spark plugs out with a 5/8 sparkplug socket..put the new plugs in the holes and finger tighten them a little(with the socket and extension so that it doesnt cross thread)it might also be wise to replace the wires if they look bad or cracked..

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17y ago
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5mo ago

To change the spark plugs on a 2002 Volvo S40, you will first need to locate the spark plugs, usually found under the engine cover. Remove the engine cover and then use a spark plug socket and ratchet to unscrew and remove the old spark plugs. Finally, install the new spark plugs, making sure they are properly tightened.

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10y ago

Disconnect the battery, remove the cover, remove the spark plug cables and boots, then remove the old spark plugs. Put in the new spark plugs, replace the cables and boots, replace the cover and connect the battery.

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Q: How do you change the spark plugs on a 2002 Volvo S40?
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