Toyota Tundra Service Manual: Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

Perform "Inspection After Repairs" after replacing the throttle body assembly (See page ).

PROCEDURE

1. INSTALL THROTTLE BODY ASSEMBLY

HINT:

Perform "Inspection After Repairs" after replacing the throttle body assembly (See page ).

(a) Install the No. 4 water by-pass hose to the throttle body.

HINT:

When installing the hose, make sure the paint mark and clip are as shown in the illustration.

(b) Install the No. 12 water by-pass hose to the throttle body.

HINT:

When installing the hose, make sure the paint mark and clip are as shown in the illustration.

(c) Install a new gasket to the intake air surge tank.

HINT:

Align the protrusion of the gasket with the groove of the intake air surge tank.

(d) Install the throttle body with the 4 bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(e) Connect the throttle position sensor and control motor connector.

(f) Connect the 2 water by-pass hoses.

HINT:

When connecting the hoses, make sure the paint marks and clips are as shown in the illustration.

2. INSTALL AIR CLEANER HOSE ASSEMBLY

3. ADD ENGINE COOLANT

4. INSPECT FOR COOLANT LEAK

5. INSTALL ENGINE UNDER COVER NO.1

6. INSTALL V-BANK COVER SUB-ASSEMBLY

7. PERFORM INITIALIZATION

NOTICE:

Perform the following procedure after replacing the throttle body assembly or any throttle body assembly components. The following procedure should also be performed if the throttle body assembly is cleaned.

(a) Turn the ignition switch to ON without operating the accelerator pedal.

NOTICE:

If the accelerator pedal is operated, perform the above step again.

(b) Connect the Techstream to the DLC3 and clear the DTCs (See page ).

(c) Perform the "Inspection After Repairs" (See page ).

(d) Start the engine and check that the MIL is not illuminated and that the idle speed is within the specified range when the A/C is switched off after the engine is warmed up.

Standard:

Condition

Engine Idle Speed

A/C switched off

650 to 750 rpm

HINT:

  • Be sure to perform this step with all accessories off.
  • Make sure that the shift lever is in P or neutral.

(e) Enter the following menus: Powertrain / Engine and ECT / Data List / Throttle Sensor Position. Fully depress the accelerator pedal and check that the value is 60% or more.

(f) Perform a road test and confirm that there are no abnormalities.

    Inspection

    On-vehicle Inspection

    See More:

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