WARNING
Be sure the engine and ignition switch are
off and that the parking brake is engaged
securely.
CAUTION
Be sure to use the correct socket to re-
move the spark plugs. An incorrect socket
can damage the spark plugs.
If replacement is required, see your NISSAN
dealer for assistance.
SDI1895
SPARK PLUGS
ModelQR25DE VQ35DE
TypeGasoline, 4-cycle, DOHC Gasoline, 4-cycle, DOHC
Cylinder arrangement 4-cylinder in-line 6-cylinder, V-block, Slanted at 60°
Bore x Stroke in (mm) 3.5 x 3.9 (89.0 x 100.0) 3.760 x 3.205 (95.5 x 81.4)
Displacement cu in (cm
3) 151.82 (2,488) 213.45 (3,498)
Firing order1–3–4–2 1–2–3–4–5–6
Idle speed
M/T
CVT (in “N” position) No adjustment is necessary.
Ignition timing (degree B.T.D.C. at idle
speed)
CO%atidle
Spark plugDILKAR6A-11 FXE22HR-11
Spark plug gap (Nominal) in (mm) 0.043 (1.1) 0.043 (1.1)
Camshaft operation Timing chain Timing chain
This spark ignition system complies with the Canadian standard ICES-002.
SPECIFICATIONS
Technical and consumer information9-7
REVIEW COPY—2009 Altima(alt)
Owners Manual—USA_English(nna)
09/08/08—debbie
