Lexus GS 350 Owner's Manual page 434

Maintenance schedule (except for South Africa)
Maintenance operations: I = Inspect, correct or replace as necessary;
SERVICE
INTERVAL:
(Odometer
reading or
months,
whichever
comes first.)
BASIC ENGINE COMPONENTS
1 Valve clearance (GS F)
2 Drive belts
Engine oil
3
<<See note 1.>>
Engine oil
4 filter
<<See note 1.>>
Cooling and heater system
5
<<See note 3.>>
Engine coolant
6
<<See notes 4 and 5.>>
Engine oil cooler hoses and
7 connections (GS F)
<<See note 3.>>
8 Exhaust pipes and mountings
IGNITION SYSTEM
9 Spark plugs
10 Battery
GS350_300_GS F_OM_OM30J17E_(GE)
R = Replace, change or lubricate;
ODOMETER READING
x1000 km 10 20 30 40 50 60 70 80
x1000 miles 6 12 18 24 30 36 42 48
I
Replace when the maintenance reminder
Type A
appears. << See note 2.>>
Type B R R R
Replace when the maintenance reminder
Type A
appears. << See note 2.>>
Type B R R R
I
GS350 and Replace every 100000 km
GS F (60000 miles)
GS300
I I I
6-2. Maintenance
MONTHS
I
I I I
R R R R R
R R R R R
I I
I I
I I
I I I
R
I I I I I
433
96
24
12
12
24
6
-
24
12
-
-
12