Under Hood - General Maintenance

2006 Toyota Sequoia 4WD V8-4.7L (2UZ-FE)SECTION Under Hood - General Maintenance
UNDER HOOD

GENERAL MAINTENANCE
1. GENERAL NOTES
^ Maintenance items may vary from country to country. Check the owner's manual supplement in which the maintenance schedule is shown.
^ Every service item in the periodic maintenance schedule must be performed.
^ Periodic maintenance service must be performed according to whichever interval in the periodic maintenance schedule occurs first, the odometer reading (miles) or the time interval (months).
^ Maintenance service after the last period should be performed at the same interval as before unless otherwise noted.
^ Failure to do even one item can cause the engine to run poorly and increase exhaust emissions.

2. WINDSHIELD WASHER FLUID
a) Check that there is sufficient fluid in the tank.

3. ENGINE COOLANT LEVEL
a) Check that the coolant level is between the FULL and LOW lines on the see-through reservoir.

4. RADIATOR AND HOSES
a) Check that the front of the radiator is clean and not blocked with leaves, dirt or bugs.
b) Check the hoses for cracks, kinks, rot or loose connections.

5. BATTERY ELECTROLYTE LEVEL
a) Check that the electrolyte level of all battery cells is between the upper and lower level lines on the case.

6. BRAKE FLUID LEVEL
a) Check that the brake fluid level are near the upper level line on the see-through reservoir.

7. CLUTCH FLUID LEVEL
a) Check that the brake fluid are near the upper level line on the see-through reservoir.

8. ENGINE DRIVE BELT
a) Check all drive belts for fraying, cracks, wear or oiliness.

9. ENGINE OIL LEVEL
a) Check the level on the dipstick with the engine turned off.

10. POWER STEERING FLUID LEVEL
a) Check the level on the dipstick.
b) The level should be in the HOT or COLD range depending on the fluid temperature.

11. AUTOMATIC TRANSMISSION FLUID LEVEL
a) Park the vehicle on a level surface.
b) With the engine idling and the parking brake applied, shift the selector into all positions from the P to L, and then shift into the P position.
c) Pull out the dipstick and wipe off the fluid with a clean rag. Re-insert the dipstick and check that the fluid level is in the HOT range.
d) Do this check with the fluid at normal driving temperature (70 - 80°C, 158 - 176°F).

HINT: Wait until the engine cools down (approximately 30 minimum) before checking the fluid level after extended driving at high speeds, in hot weather, in heavy traffic or pulling a trailer.

12. EXHAUST SYSTEM
a) Visually inspect for cracks, holes or loose supports.

HINT: If any change in the sound of the exhaust or smell of the exhaust fumes is noticed, find the cause and correct.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.