How to replace spark plugs on Nissan Quest?

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The plugs to the left side of the vehicle can be reached from the front, but the ones to the right side will have to be taken out from under it. Tools required for spark plug replacement include: a spark plug socket, ratchet, various extensions, gap gauge and plug wire removal tool. You should wait for engine cooling before taking off or putting on new spark plugs. Instead of changing all the spark plugs at once, it is better to buy new ones, adjust them to a suitable gap and replace them one by one as suggested by OEMs. The appropriate type of plug is specified on page 12 of this chapter and in Section 1.6 in your owners' manual. Prior to removing the plug(s), verify that the engine is completely cool and check for defects while also adjusting gap on these new units. Using a wire-type gap gauge, see if you are able to slide it between electrodes with slight drag. If the gap is not correct bend the side electrode until it has been rectified through use of an adjuster on some member of a gauge body. Furthermore do not use any cracked porcelain insulator as good practice suggests that any such plug should be discarded Remove the spark plug wire by pulling on the boot at the end of the wire; blow out dirt or foreign debris from spar plug hole with compressed air if available. To remove a spark plug use a socket specifically designed for this purpose with a universal joint turning counterclockwise This will help you analyze what's wrong with your car engine by comparing quality indicators given in table 5-2 with those in figure 6-7.Use anti-seize compound sparingly as applied to your fingertips over cylinder head threads prior to installing new plugs. Thread one new plug into hole using fingers only until finger tight then tighten with torque wrench or ratchet wrench .  Inserting a short length of rubber hose over sparkplug nose will prevent damaged threads. Inspect the spark plug wire before attaching it to the new spark plug, using a twisting motion on the boot until it is seated. Replace remaining plugs one at a time to avoid cross-firing of spark plug wires.

Genuine Nissan Quest Spark Plug

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Nissan Quest Spark Plug

Nissan Quest Spark Plug

Nissan Quest Spark Plug

Nissan Quest Spark Plug

Nissan Quest Spark Plug

Nissan Quest Spark Plug

Nissan Quest Spark Plug

Nissan Quest Spark Plug

Nissan Quest Spark Plug

Nissan Quest Spark Plug

Nissan Quest Spark Plug

Nissan Quest Spark Plug

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