Infiniti QX: Spark plugs
WARNING
Be sure the engine and the ignition switch
are off and that the parking brake is
engaged securely.
CAUTION
Be sure to use the correct socket to remove
the spark plugs. An incorrect socket can
damage the spark plugs.
Replacing spark plugs

If replacement is required, see an INFINITI retailer for servicing.
Iridium-tipped spark plugs
It is not necessary to replace the iridiumtipped spark plugs as frequently as the conventional type spark plugs since they will last much longer. Follow the maintenance schedule in “INFINITI Service and Maintenance Guide”, but do not reuse them by cleaning or regapping. Always replace spark plugs with recommended or equivalent ones.
Drive belts
1. Power steering fluid pump
2. Water pump
3. Alternator
4. Crankshaft pulley
5. Air conditioner compressor
WARNING
Be sure the ignition switch is in the OFF or
LOCK position before se ...
Air cleaner
To remove the filter, release the lock pins
1 and pull the unit upward 2 .
The filter element should not be cleaned
and reused. Replace it according to the
maintenance intervals. See “INFI ...
See also:
Power Assist Steps
The vehicle may have power assist steps. To enable or disable the power assist
steps push .
The power assist steps automatically extend from beneath the vehicle on the side
in which the door has ...
Engine Oil Pressure Light
Notice: Lack of proper engine oil maintenance can damage the engine. Driving
with the engine oil low can also damage the engine. The repairs would not be covered
by the vehicle warranty. Check the ...
Power Steering Fluid
The power steering fluid reservoir is located under the engine cover on the passenger
side of the vehicle.
See Engine Compartment Overview for reservoir location.
When to Check Power Steer ...






