fuel filter lexus LS400 1994 Gauges, Meters and Service Reminder Indicators / 1994 LS400: MAINTENANCE

MAINTENANCE
175 SCHEDULE A
Maintenance operations:
A = Check and adjust as necessary; I = Inspect and correct or replace as necessary; R = Replace, change or lubricate.
Service interval(Use odometer reading or
months, whichever comes first.)Maintenance services beyond 96,000 km (60,000 miles) should continue to be performed at the same intervals shown for each maintenance schedule.
Miles x 1,00013.757.511.251518.7522.526.253033.7537.541.254548.7552.556.2560MonthsMaintenance items km x 1,0001.66121824303642485460667278849096
ENGINE COMPONENTS AND EMISSION CONTROL SYSTEMS
Timing beltSee note (1)
Valve clearanceAA: Every 72 months
Drive belt See note (2)II: See note (2)
Engine oil and oil filterRRRRRRRRRRRRRRRRR: Every 6 months
Engine coolant See note (3)RR: See note (3)
Exhaust pipes and mountingsIIIII: Every 24 months
Air cleaner filterSee note (4)IIIIIIIRIIIIIIIRI: Every 6 months
R: Every 36 months
Fuel lines and connections See note (5)III: Every 36 months
Fuel tank cap gasketRR: Every 72 months
Spark plugsRR: Every 72 months
Charcoal canisterII: Every 72 months
Maintenance services indicated by a star () are required under the terms of the Emission Control Systems Warranty. See Owner’s Guide or Warranty Booklet for complete
warranty information.
 For vehicles sold in California and New York only
NOTE:
(1) If you operate your vehicle under conditions of extensive idling and / or low speed driving for a long distance such as police, taxi or door to door delivery use, replace
every 96,000 km (60,000 miles).
(2) After 96,000 km (60,000 miles) or 72 months, inspect every 12,000 km (7,500 miles) or 12 months.
(3) After 72,000 km (45,000 miles) or 36 months, replace every 48,000 km (30,000 miles) or 24 months.
(4) Applicable when operating mainly on dusty roads. If not applicable, follow schedule B.
(5) Includes inspection of vapor vent system.

MAINTENANCE
177 SCHEDULE B
Maintenance operations:
A = Check and adjust as necessary; I = Inspect and correct or replace as necessary; R = Replace, change or lubricate.
Service interval
(Use odometer reading or months,
whichever comes first.)Maintenance services beyond 96,000 km (60,000 miles) should continue to be performed at the same intervals shown for each maintenance schedule
Miles x 1,00017.51522.53037.54552.560MonthsMaintenance items km x 1,0001.61224364860728496
ENGINE COMPONENTS AND EMISSION CONTROL SYSTEMS
Valve clearanceAA: Every 72 months
Drive belt See note (1)II: See note (1)
Engine oil and oil filterRRRRRRRRR: Every 12 months
Engine coolant See note (2)RR: See note (2)
Exhaust pipes and mountingIII: Every 36 months
Air cleaner filterRRR: Every 36 months
Fuel lines and connections See note (3)III: Every 36 months
Fuel tank cap gasketRR: Every 72 months
Spark plugsRR: Every 72 months
Charcoal canisterII: Every 72 months
Maintenance services indicated by a star () are required under the terms of the Emission Control Systems Warranty. See Owner’s Guide or Warranty Booklet for complete
warranty information.
 For vehicles sold in California and New York only
NOTE:
(1) After 96,000 km (60,000 miles) or 72 months, inspect every 12,000 km (7,500 miles) or 12 months.
(2) After 72,000 km (45,000 miles) or 36 months, replace every 48,000 km (30,000 miles) or 24 months.
(3) Includes inspection of vapor vent system.

MAINTENANCE
179
Explanation of scheduled maintenance items
ENGINE COMPONENTS AND EMISSION CONTROL
SYSTEMS
Timing belt
(Applicable to Schedule A only.) When scheduled, replace the
belt and inspect the ignition timing. A qualified technician
should perform these operations.
Valve clearance
Adjust the valve clearances to factory specifications. A
qualified technician should perform this operation.
Drive belt
Inspect the drive belt for cracks, excessive wear or oiliness.
Replace the belt if damaged. Check the auto tensioner
operation.
Engine oil and oil filter
Change the engine oil and oil filter when scheduled. Use API
SG or SH, Energy − Conserving II multigrade engine oil or
ILSAC multigrade engine oil. For recommended viscosity, see
page 199. A qualified technician should perform this operation.Engine coolant
Drain and flush the cooling system when scheduled. Refill only
with an ethylene-glycol type coolant. A qualified technician
should perform this operation.
Exhaust pipes and mountings
Visually inspect the exhaust pipes, muffler and hangers for
cracks, deterioration, or damage. Start the engine and listen
carefully for any exhaust gas leakage. Tighten connections or
replace parts as necessary.
Air cleaner filter
Replace the air cleaner filter when scheduled. Do-it-yourself
instructions are given on page 201. If you mainly operate your
vehicle on dusty roads, additionally inspect and clean the air
cleaner filter when scheduled. Visually check for dirt or
damage. It may be cleaned with compressed air.
Fuel lines and connections
Visually inspect the lines, connections for corrosion, damage,
cracks, and loose or leaking connections. Tighten connections
or replace parts as necessary.
Fuel tank cap gasket
Make sure the new gasket is correctly installed.