Altima SE L4-2.4L (KA24DE) (1997)
Remove valves at retainer plate. Refer to Control Valve Upper Body.
INSPECTION
Valve Springs
^
Check each valve spring for damage or deformation. Also measure free length and outer diameter. Refer to the illustration.
^
Replace valve springs if deformed or fatigued.
Control Valves
^
Check sliding surfaces of control valves, sleeves and plugs for damage.
ASSEMBLY
^
Install control valves. For installation procedures, refer to Control Valve Upper Body.
^
Refer to the illustrations for the retainer plate.