suspension LEXUS RX350 2012 Owners Manual

e xplanation of Maintenance i te MS
MAINTENANCE Scheduled Maintenance Log68 The following descriptions are
provided to give you a better under -
standing of the maintenance services
that should be performed on your
vehicle. The scheduled maintenance
log indicates at which time/mileage
intervals each service should be
performed. Please note that many
maintenance services should be per -
formed only by a qualified technician.
Axle Shaft Boots
Check the axle shaft boots and
clamps for cracks, deterioration and
damage. Replace any damaged parts
and, if necessary, repack the grease.
A qualified technician should perform
these operations.
Ball Joints and Dust Covers
Check the suspension and steering
linkage ball joints for looseness and
damage. Check all dust covers for
deterioration and damage. A quali -
fied technician should perform
these inspections. Body Inspection
Visually check for corrosion,
scratches and other damage. Check
outer body panels, inner panels of
the hood and doors, and underneath
the vehicle. Apply touch-up paint to
any chips and scratches or have them
repaired by a qualified technician.
Brake Fluid
Replace using fluid type specified in
your Owner’s Manual . A qualified tech -
nician should perform this operation.
Brake Lines and Hoses
Visually inspect for proper instal -
lation. Check for chafing, cracks,
deterioration and signs of leakage.
Replace any deteriorated or dam -
aged parts. A qualified technician
should perform these operations.
Brake Pads, Calipers and Rotors
Check brake pads and rotors for
excessive wear; check brake rotors
for runout. Check brake calipers for
fluid leakage. A qualified technician
should perform these inspections.
For further information on
maintenance services that you
can perform yourself, see the
maintenance sections of your
Owner’s Manual .

e xplanation of Maintenance i te MS
MAINTENANCE
Scheduled Maintenance Log 71Exhaust Pipes and Mountings
Visually inspect the exhaust pipes,
muffler and hangers for cracks,
deterioration and damage. Start
the engine and listen carefully for
any exhaust leakage. Tighten connec -
tions and replace parts as necessary.
Fuel Lines and Connections, Fuel
Tank Band and Fuel Tank Vapor
Vent System Hoses
Visually inspect for corrosion,
damage, cracks, and loose or leaking
connections. Tighten connections
and replace parts as necessary.
Fuel Tank Cap Gasket
Visually inspect for cracks, deterio -
ra tion and damage and replace
if necessary.
Nuts and Bolts on Chassis
Check that tightness of the seat-
mounting bolts and front/rear
suspension-member retaining bolts
matches torque measurements
specified in the Repair Manual .
Rack-and-Pinion Assembly
Inspect the rack-and-pinion assembly
for signs of leakage, damage and
loose electrical connections. Tighten
connections and if you discover any
leakage or damage, have it repaired
immediately by a qualified technician. Road Test
While driving the vehicle, check for
proper operation of engine, transmis -
sion, brakes and steering. Also check
the parking brake, and check for
abnormal noise or vibration from
any part of the vehicle.
Spark Plugs
Replace at specified interval. Install
new plugs of the same type as origi -
nally equipped (see your Owner’s
Manual ). A qualified technician
should perform this operation.
t o ensure optimum engine perfor -
mance, replace only with d enso
f K20 h R11 plugs or equivalent.
Steering Linkage and Boots
With the vehicle stopped, check for
excessive freeplay in the steering
wheel. Inspect the linkage for bend -
ing and damage and the dust boots
for deterioration, cracks and damage.
Replace any damaged parts. A
qualified technician should perform
these operations.