2006 Lexus GS300 check engine

Scheduled Maintenance Log
41
G
ENERAL
M
AINTENANCE
In addition to scheduled maintenance, your Lexus
requires ongoing general maintenance such as fluid
checks and visual inspections. The recommended guide-
lines for inspections are listed below. Please refer to the
“Maintenance” section of the Owner’s Manualfor a
detailed description of inspection procedures.
When Refueling
When refueling, perform these inspections:Check engine oil level using the dipstickVisually check engine coolant level on the
see-through reservoirVisually check brake fluid level on the
see-through reservoirVisually check condition of batteryCheck level of windshield washer fluidEvery 30 Days
At least once every 30 days, perform these inspections:
Check tire pressureCheck tires for damage and wearMAINTENANCE

Scheduled Maintenance Log
E
XPLANATION OF
M
AINTENANCE
ITEMS
65
Brake FluidReplace using fluid type specified in your Owner’s
Manual. A qualified technician should perform this
operation.Brake Lines and HosesVisually inspect for proper installation. Check for
chafing, cracks, deterioration and signs of leakage.
Replace any deteriorated or damaged parts. A quali-
fied technician should perform these operations.Brake Linings/Drums and Brake Pads/RotorsCheck the parking brake linings (shoes) and drums
for scoring, burning, fluid leakage, broken parts and
excessive wear. Check brake pads and rotors for exces-
sive wear; check brake rotors for runout. Check brake
calipers for fluid leakage. A qualified technician
should perform these inspections.Charcoal CanisterCheck for internal damage and clogging. If necessary,
clean with compressed air or replace. A qualified tech-
nician should perform these operations.
Dif ferential OilCheck for correct oil level and inspect each differential
component for signs of leakage. If you discover any
leakage, have it repaired by a qualified technician
immediately. Refer to your Owner’s Manualfor fluid
specifications.Drive BeltsInspect for cracks, excessive wear and oiliness. Check
the belt tension and adjust if necessary. Replace the
belts if they are damaged.Engine Air FilterCheck for damage, excessive wear and oiliness.
Replace if necessary.Engine CoolantDrain and flush the cooling system and refill with
Genuine Toyota Super Long-Life Coolant or similar
high-quality non-silicate, non-amine, non-borate
ethylene-glycol coolant with long-life hybrid organic
acid technology (i.e., a combination of low phosphates MAINTENANCE

Scheduled Maintenance Log
E
XPLANATION OF
M
AINTENANCE
ITEMS
67
Rack and Pinion AssemblyInspect the rack and pinion assembly for signs of leak-
age, damage and loose electrical connections. Tighten
connections and if you discover any leakage or dam-
age, have it repaired immediately by a qualified tech-
nician.Road TestWhile driving the vehicle, check for proper operation
of engine, transmission, brakes and steering. Also
check for abnormal noise or vibration from any part
of the vehicle.Spark PlugsInstall new plugs of the same type as originally
equipped. Refer to your Owner’s Manual. A qualified
technician should perform this operation.Steering Linkage and BootsWith the vehicle stopped, check for excessive freeplay
in the steering wheel. Inspect the linkage for bending
and damage and the dust boots for deterioration, cracks and damage. Replace any damaged parts. A
qualified technician should perform these operations.
Timing Belt (except GS 300 and IS)Replace every 90,000 miles or 108 months. A qualified
technician should perform this operation. (The GS 300
and IS are equipped with a timing chain, which
requires no periodic inspection.)Tire RotationTires should be rotated according to the instructions
in your Owner’s Manual. When rotating tires, check
pressure and check for damage and uneven wear. If
the spare is not rotated, check the condition and pres-
sure of the spare.Transfer Case Fluid (GS 300 All-Wheel Drive,
IS 250 All-Wheel Drive)Periodic fluid checks and replacement of the transfer
case fluid are not required. Any repairs that require
adding or replacing fluid should be performed by a
qualified technician following procedures in Lexus
service and repair publications.MAINTENANCE