2008 4Runner Scheduled Maintenance Guide
90,000 Miles or 108 Months
Lubricate propeller shaft (4WD)Re-torque propeller shaft boltReplace cabin air filterReplace engine air filterReplace engine oil and oil filter1
Replace spark plugs5
Replace timing belt6
Rotate tiresVisually inspect brake linings/drums and brake pads/discs7
Inspect the following:
__ Automatic transmission fluid
__ Ball joints and dust covers
__ Brake lines and hoses
__ Drive belts
__ Drive shaft boots (4WD)
__ Engine coolant
3
__ Exhaust pipes and mountings
__ Front differential oil (4WD)__ Fuel lines and connections, fuel tank band
and fuel tank vapor vent system hoses
__ Fuel tank cap gasket
__ Radiator and condenser
__ Rear differential oil
__ Steering gear box
__ Steering linkage and boots
__ Transfer case oil (4WD)
Additional Maintenance Items for Special Operating Conditions2
Driving on dirt roads or dusty roads:Tighten nuts and bolts on chassis
Driving while towing:
Replace front differential oil (4WD)Replace rear differential oilReplace transfer case oil (4WD)Tighten nuts and bolts on chassis
D
EALERSERVICEVERIFICATION:
D
ATE:
M
ILEAGE:
MAINTENANCE LOG
17
1Reset the oil replacement reminder light (MAINT REQD) or the messageOIL MAINTENANCE REQUIREDon the
multi-information display after engine oil replacement.
2Perform these service items only if you drive primarily under the conditions indicated.3Refer toEngine Coolantin theExplanation of Maintenance Itemssection in the back of this guide for more
information.
4Includes operating on roads which road salt has been applied.51GR-FE engine. Maintenance services of spark plugs are required under the terms of the Emissions Control Warranty.62UZ-FE engine.7Inspect thickness measurement and disc runout.
2008 Scheduled Maintenance Guide4RUNNER
PROPELLER SHAFT
Lubricate the propeller shaft spiders and slide yokes with lithium-base chassis grease and the
double cardan joint with molybdenum-disulfide lithium-base chassis grease, and re-torque the
bolt. Only a qualified technician should perform this operation.
RADIATOR AND CONDENSER
Inspect for debris, corrosion and signs of damage. Have any problem repaired immediately by a
qualified technician.
SPARK PLUGS
Replace at specified intervals. Install new plugs of the same type as originally equipped. A
qualified technician should perform this operation.
STEERING GEAR BOX
Inspect for signs of leakage. If you discover any leakage, have it repaired immediately by a
qualified technician.
STEERING LINKAGE AND BOOTS
With the vehicle stopped, check for excessive freeplay in the steering wheel. Inspect the linkage
for bending and damage and the dust boots for deterioration, cracks and damage. Replace any
damaged parts. A qualified technician should perform these operations.
TIMING BELT
Replace every 90,000 miles or 108 months. A qualified technician should perform this
operation.
TIRE ROTATION
Tires should be rotated according to the instructions in theOwner’s Manual. When rotating
tires, check for damage and uneven wear. Replace if necessary.
TRANSFER CASE OIL
Inspect or replace at specified intervals. When performing inspections, check for signs of
leakage. If you discover any leakage, have it repaired by a qualified technician immediately.
EXPLANATION OF MAINTENANCE ITEMS
24
