suspension TOYOTA 4RUNNER 2008 N210 / 4.G Scheduled Maintenance Guide

2008 Scheduled Maintenance Guide4RUNNER
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.
EXPLANATION OF MAINTENANCE ITEMS
22

2008 4Runner Scheduled Maintenance Guide
ENGINE AIR FILTER
Replace at specified intervals. When performing inspections, check for damage, excessive wear
and oiliness, and replace if necessary.
ENGINE COOLANT
Drain the cooling system and refill with an ethylene-glycol type coolant. Inspect hoses and
connections for corrosion and leaks. Tighten connections and replace parts when necessary. A
qualified technician should perform these operations. (For further details, refer to
Radiator,
Condenser and Hoses
in the
Vehicle Maintenance and Care
section of the
Owner’s Manual).
NOTE:
Your Toyota is equipped with Genuine Toyota Super Long-Life Coolant. The replacement
intervals for engine coolant recommended in this booklet are based on replacement
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 and organic acids). If another type of
ethylene-glycol coolant is used, replacement intervals may be different.
ENGINE OIL AND FILTER
Replace the oil filter and drain and refill the engine oil at specified intervals. For recommended
oil grade and viscosity, refer to the
Owner’s Manual.
ENGINE VALVE CLEARANCE
Inspect for tappet noise and engine vibration and adjust if necessary. A qualified technician
should perform this operation.
EXHAUST 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 gas leakage. Tighten connections or replace
parts as necessary.
FRONT OR REAR DIFFERENTIAL OIL
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.
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 or replace parts as necessary.
FUEL TANK CAP GASKET
Visually inspect for cracks, deterioration and damage and replace if necessary.
NUTS AND BOLTS ON CHASSIS AND BODY
Re-tighten the seat-mounting bolts and front/rear suspension member retaining bolts to
specified torque.
EXPLANATION OF MAINTENANCE ITEMS
23