1999 Nissan Maxima Owner's Manual - Page 175

1999 Nissan Maxima Manual

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SDI0122 SDI0123 REPLACING SPARK PLUGS 1. Remove the rocker cover ornament using a suitable hexagon wrench. (Front side) 2. Disconnect the electrical connectors. 3. Loosen the ignition coil fixing bolts. And remove the ignition coil to give access to the spark plugs. 4. Remove the spark plugs with a spark plug wrench. The plug wrench has a rubber seal that holds the spark plug so that it will not fall when it is pulled out. Make sure that each spark plug is snugly fitted into the plug wrench. 5. Fit the new plugs, one at a time, into the spark plug wrench and install them. Turn each plug in several full turns by hand, then tighten with a spark plug wrench to the correct torque. Do not overtighten. Spark plug tightening torque: 14 to 22 ft-lb (20 to 29 N⋅m) 6. Holding the ignition coil, re-connect each ignition coil to its proper spark plug by pushing it on until you feel a snap. 7. Tighten all ignition coils. 8-16 Do-it-yourself

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REPLACING SPARK PLUGS
1. Remove the rocker cover ornament using a
suitable hexagon wrench. (Front side)
2. Disconnect the electrical connectors.
3. Loosen the ignition coil fixing bolts. And
remove the ignition coil to give access to
the spark plugs.
4. Remove the spark plugs with a spark plug
wrench.
The plug wrench has a rubber seal that
holds the spark plug so that it will not fall
when it is pulled out. Make sure that each
spark plug is snugly fitted into the plug
wrench.
5. Fit the new plugs, one at a time, into the
spark plug wrench and install them. Turn
each plug in several full turns by hand, then
tighten with a spark plug wrench to the
correct torque. Do not overtighten.
Spark plug tightening torque:
14 to 22 ft-lb
(20 to 29 N
⋅
m)
6. Holding the ignition coil, re-connect each
ignition coil to its proper spark plug by
pushing it on until you feel a snap.
7. Tighten all ignition coils.
SDI0122
SDI0123
8-16
Do-it-yourself