engine coolant NISSAN ALTIMA 2023 Service Manual

2.0L 4 CYLINDER (KR20DDET
engine model)
The following shows the maintenance
schedule.
Choose the maintenance schedule
needed based on your vehicle driving
conditions.
Af ter 90,000 miles (144,000 km)/144
months, continue maintenance at the
same mileage/time interval.
NOTE:
For information regarding coolant or
spark plug replacement, see “Additional
information” (P. 9-40).
3,750 miles/(6,000 km)/6 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
• Not applicable. Proceed to the nextinterval.
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear and linkage
• Axle & suspension parts
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belt and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
7,500 miles/(12,000 km)/12 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• CVT transmission fluid
• Drive shaf t boots
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belts and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Intelligent key battery
Essentials:
• Replace engine oil & filter (1)
• Replace in-cabin microfilter
• Tire rotation
9-28Maintenance and schedules

Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
Essentials:
• Replace brake fluid
(1) If the oil replacement indicator is dis-
played, change the engine oil and filter
within two weeks or less than 500 miles
(800 km).11,250 miles/(18,000 km)/
18 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Intelligent key battery
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belts and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
15,000 miles/(24,000 km)/
24 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• CVT transmission fluid
• Fuel tank vapor vent system
• Fuel lines/connections
• Exhaust system
• Steering gear and linkage
• Axle & suspension parts
• Drive shaf t boots
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belts and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Maintenance and schedules9-29

Essentials:
• Replace engine oil & filter (1)
• Replace in-cabin microfilter
• Replace intelligent key battery
• Tire rotation
• Replace brake fluid
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
Essentials:
• Replace brake fluid
(1) If the oil replacement indicator is dis-
played, change the engine oil and filter
within two weeks or less than 500 miles
(800 km).18,750 miles/(30,000 km)/
30 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Not applicable. Proceed to next interval.
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belt and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
22,500 miles/(36,000 km)/
36 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• CVT transmission fluid
• Drive shaf t boots
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belts and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Essentials:
• Engine oil & filter (1)
• Tire rotation
• Replace in-cabin microfilter
• Replace intelligent key battery
9-30Maintenance and schedules

Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
Essentials:
• Replace brake fluid
(1) If the oil replacement indicator is dis-
played, change the engine oil and filter
within two weeks or less than 500 miles
(800 km).26,250 miles/(42,000 km)/
42 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Not applicable. Proceed to next interval.
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belt and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
30,000 miles/(48,000 km)/
48 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• CVT transmission fluid
• Engine drive belts
• Fuel tank vapor vent system
• Fuel lines/connections
• Exhaust system
• Steering gear and linkage
• Axle & suspension parts
• Drive shaf t boots
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Hose inspection
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Maintenance and schedules9-31

Essentials:
• Replace engine oil & filter (1)
• Replace engine air filter (2)
• Replace in-cabin microfilter
• Replace intelligent key battery
• Replace brake fluid
• Tire rotation
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
Essentials:
• Replace brake fluid
(1) If the oil replacement indicator is dis-
played, change the engine oil and filter
within two weeks or less than 500 miles
(800 km).
(2) If operating mainly in dusty conditions,
more frequent maintenance may be
required..33,750 miles/(54,000 km)/
54 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belts and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
37,500 miles/(60,000 km)/
60 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• CVT transmission fluid
• Engine drive belts
• Drive shaf t boots
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Essentials:
• Replace engine oil & filter (1)
• Replace in-cabin microfilter
• Replace intelligent key battery
• Tire rotation
9-32Maintenance and schedules

Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
Essentials:
• Replace brake fluid
(1) If the oil replacement indicator is dis-
played, change the engine oil and filter
within two weeks or less than 500 miles
(800 km).41,250 miles/(66,000 km)/
66 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Not applicable. Proceed to next interval.
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belt and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
45,000 miles/(72,000 km)/
72 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• CVT transmission fluid
• Engine drive belts
• Fuel tank vapor vent system
• Fuel lines/connections
• Exhaust system
• Steering gear and linkage
• Axle & suspension parts
• Drive shaf t boots
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Maintenance and schedules9-33

Essentials:
• Replace engine oil & filter (1)
• Tire rotation
• Replace in-cabin microfilter
• Replace brake fluid
• Replace intelligent key battery
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
Essentials:
• Replace brake fluid
(1) If the oil replacement indicator is dis-
played, change the engine oil and filter
within two weeks or less than 500 miles
(800 km).48,750 miles/(78,000 km)/
78 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Not applicable. Proceed to next interval.
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belt and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
52,500 miles/(84,000 km)/
84 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• CVT transmission fluid
• Engine drive belts
• Drive shaf t boots
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Essentials:
• Replace engine oil & filter (1)
• Replace in-cabin microfilter
• Replace intelligent key battery
• Tire rotation
9-34Maintenance and schedules

Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
Essentials:
• Replace brake fluid
(1) If the oil replacement indicator is dis-
played, change the engine oil and filter
within two weeks or less than 500 miles
(800 km).56,250 miles/(90,000 km)/
90 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belts and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
60,000 miles/(96,000 km)/
96 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• CVT transmission fluid
• Engine drive belts
• Fuel tank vapor vent system
• Fuel lines/connections
• Exhaust system
• Steering gear and linkage
• Axle & suspension parts
• Drive shaf t boots
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Hose inspection
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Maintenance and schedules9-35

Essentials:
• Replace engine oil & filter (1)
• Replace engine air filter (2)
• Replace in-cabin microfilter
• Replace intelligent key battery
• Replace brake fluid
• Tire rotation
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
Essentials:
• Replace brake fluid
• Replace CVT transmission fluid
(1) If the oil replacement indicator is dis-
played, change the engine oil and filter
within two weeks or less than 500 miles
(800 km).
(2) If operating mainly in dusty conditions,
more frequent maintenance may be
required..63,750 miles/(102,000 km)/
102 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
• Not applicable. Proceed to the nextinterval.
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear and linkage
• Axle & suspension parts
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belt and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
67,500 miles/(108,000 km)/
108 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• CVT transmission fluid
• Engine drive belts
• Drive shaf t boots
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Essentials:
• Replace engine oil & filter (1)
• Tire rotation
• Replace in-cabin microfilter
• Replace intelligent key battery
9-36Maintenance and schedules

Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear & linkage
• Axle & suspension parts
Essentials:
• Replace brake fluid
(1) If the oil replacement indicator is dis-
played, change the engine oil and filter
within two weeks or less than 500 miles
(800 km).71,250 miles/(114,000 km)/
114 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
• Not applicable. Proceed to the nextinterval.
Severe use maintenance:
Inspections:
• Brake pads & rotors
• Exhaust system
• Drive shaf t boots
• Steering gear and linkage
• Axle & suspension parts
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Engine drive belt and hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
75,000 miles/(120,000 km)/
120 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• CVT transmission fluid
• Engine drive belts
• Fuel tank vapor vent system
• Fuel lines/connections
• Exhaust system
• Steering gear and linkage
• Axle & suspension parts
• Drive shaf t boots
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• All fluids inspected (engine, wiper, brake, power steering, coolant)
• Hose inspections
• Engine air filter
• Suspension components (shocks, sub- frame, tie rods)
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
Maintenance and schedules9-37