gas type lexus LS400 1995 Engine / 1995 LS400: MAINTENANCE

MAINTENANCE
188
Explanation of scheduled maintenance items
ENGINE COMPONENTS AND EMISSION CONTROL
SYSTEMS
Timing belt
When scheduled, replace the belt. 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
SH, Energy−Conserving 11 multigrade engine oil or ILSAC
multigrade engine oil. For recommended viscosity, see page
204. 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. 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.
Spark plugs
Install new plugs of the same type as originally equipped. A
qualified technician should perform this operation.
Charcoal canister
Inspect for internal damage or clogging. Clean with
compressed air or replace if necessary. A qualified technician
should perform this operation.