Explanation Of Maintenance Items - Toyota 4Runner 2008 Maintenance Manual

4RUNNER

EXPLANATION OF MAINTENANCE ITEMS

The following descriptions are provided to give you a better understanding of the maintenance
items that should be performed on your vehicle. The scheduled maintenance log indicates at
which mileage/time intervals each item should be performed. Please note that many
maintenance items should be performed only by a qualified technician.
For further information on maintenance items you can perform yourself, see the
Vehicle Maintenance and Care and Do-It-Yourself Maintenance sections of the
Owner's Manual .
AUTOMATIC TRANSMISSION FLUID
Inspect or replace at specified intervals. When performing inspections, check each component
for signs of leakage. If you discover any leakage, have it repaired by a qualified technician
immediately.
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. Replace any deteriorated or damaged parts. A qualified
technician should perform these operations.
BRAKE LINES AND HOSES
Visually inspect for proper installation. Check for chafing, cracks, deterioration and signs of
leakage. Replace any deteriorated or damaged parts. A qualified technician should perform these
operations.
BRAKE LININGS/DRUMS AND BRAKE PADS/DISCS
Check the brake linings (shoes) and drums for scoring, burning, fluid leakage, broken parts and
excessive wear. Check the pads for excessive wear and the discs for runout, excessive wear and
fluid leakage. Replace any deteriorated or damaged parts. A qualified technician should perform
these operations.
CABIN AIR FILTER
Replace at specified intervals. Driving in heavy traffic, on dirt roads or in urban, desert or dusty
areas may shorten filter's life. More frequent replacement may be necessary.
CHARCOAL CANISTER (CA, MA and NY vehicles)
Check for internal damage and clogging. If necessary, clean with compressed air or replace. A
qualified technician should perform these operations.
DRIVE BELTS
Inspect for cracks, excessive wear and oiliness. Check the belt tension and adjust if necessary.
Replace the belts if they are damaged.
DRIVE SHAFT BOOTS
Check the drive shaft boots and clamps for cracks, deterioration and damage. Replace any
deteriorated or damaged parts and, if necessary, repack the grease. A qualified technician
should perform these operations.
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2008 Scheduled Maintenance Guide