Lexus GS300/400 (2000 year). Service manual - part 169

P09958

MA01R–01

MA–6

–

MAINTENANCE

BRAKE

49

BRAKE

INSPECTION

1.

INSPECT BRAKE LINE PIPES AND HOSES

HINT:
Check in a well lighted area. Check the entire circumference
and length of the brake hoses using a mirror as required. Turn
the front wheels fully right or left before checking the front brake.
(a)

Check all brake lines and hoses for.

Damage

Wear

Deformation

Cracks

Corrosion

Leaks

Bends

Twists

(b)

Check all clamps for tightness and connections for leak-
age.

(c)

Check that the hoses and lines are clear of sharp edges,
moving parts and the exhaust system.

(d)

Check that the lines install in grommets pass through the
center of the grommets.

2.

INSPECT FRONT AND REAR BRAKE PADS AND
DISCS
(FRONT PADS: See page 

BR–16

)

(REAR PADS: See page 

BR–25

)

(FRONT DISCS: See page 

BR–21

)

(REAR DISCS: See page 

BR–30

)

3.

INSPECT PARKING BRAKE LININGS AND DRUMS
(See page 

BR–35

)

4.

INSPECT OR CHANGE BRAKE FLUID
(See page 

BR–4

)

Fluid: SAE J1703 or FMVSS No.116 DOT3

MA01S–01

–

MAINTENANCE

CHASSIS

MA–7

50

CHASSIS

INSPECTION

1.

INSPECT STEERING LINKAGE

(a)

Check the steering wheel freeplay.
(See page 

SR–8

)

(b)

Check the steering linkage for looseness or damage.
Check that:

Tie rod ends do not have excessive play.

Dust seals and boots are not damaged.

Boot clamps are not loose.

2.

INSPECT SRS AIRBAG
(DRIVER’S SIDE: See page 

RS–15

)

(PASSENGER’S SIDE: See page 

RS–29

)

3.

INSPECT STEERING GEAR HOUSING OIL

Check the steering gear housing for oil leakage.
4.

INSPECT LOWER BALL JOINTS AND DUST COVERS

(a)

Jack up the front of the vehicle and support it with stands.

(b)

Make sure the front wheels are in a straight–ahead posi-
tion, and depress the brake pedal.

(c)

Jack up the lower suspension arm until there is about half
a load on the front coil spring.

(d)

Inspect the dust cover for damage.

5.

CHECK AUTOMATIC TRANSMISSION AND
DIFFERENTIAL

Visually check the automatic transmission and differential for oil
leakage.
If leakage is found, check for the cause and repair it.
6.

REPLACE AUTOMATIC TRANSMISSION FLUID
(See page 

DI–318

)

7.

REPLACE DIFFERENTIAL OIL
(See page 

SA–61

)

B01983

37 N·m

B01657

127 N·m

127 N·m

MA01T–01

B01658

98 N·m

MA–8

–

MAINTENANCE

BODY

51

BODY

INSPECTION

1.

TIGHTEN BOLTS AND NUTS ON CHASSIS AND BODY

Tighten these parts:

Front seat mounting bolts

Torque: 37 N·m (375 kgf·cm, 27 ft·lbf)

Front suspension member–to–body mounting nuts

Torque: 98 N·m (1,000 kgf·cm, 72 ft·lbf)

Rear suspension member–to–body mounting bolts

Torque: 127 N·m (1,300 kgf·cm, 94 ft·lbf)

2.

BODY INSPECTION

(a)

Check the body exterior for dents, scratches and rust.

(b)

Check the underbody for rust and damage.

If necessary, replace or repair.
3.

ROAD TEST

(a)

Check the engine and chassis for abnormal noises.

(b)

Check that the vehicle does not wander or pull to one
side.

(c)

Check that the brakes work properly and do not drag.

(d)

Do setting of the parking brake shoes and drum.

4.

FINAL INSPECTION

(a)

Check the operation of the body parts:

Hood
Auxiliary catch operates properly
Hood locks securely when closed

Front and rear doors
Door locks operate properly
Doors close properly

Luggage compartment door
Door lock operates properly

Seat adjusts easily and locks securely in any posi-
tion
Front seat back locks securely in any position
Folding–down rear seat backs lock securely

–

MAINTENANCE

BODY

MA–9

52

(b)

Be sure to deliver a clean car. Especially check:

Steering wheel

Shift lever knob

All switch knobs

Seats