Throttle Body: Service and Repair
REMOVAL1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. DRAIN ENGINE COOLANT
3. REMOVE CYLINDER HEAD COVER NO. 2
4. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH AIR CLEANER HOSE NO. 1
a. Disconnect fuel vapor feed hose No. 1 and fuel vapor feed hose No. 2 from the vacuum switching valve assembly.
b. Disconnect the vacuum switching valve assembly connector and wire harness clamp.
c. Disconnect ventilation hose No. 2.
d. Disconnect the wire harness clamp and mass air flow meter connector.
e. Loosen the hose clamp, unlock the air cleaner assembly clamp and remove air cleaner cap subassembly with air cleaner hose No. 1.
5. DISCONNECT WATER BY-PASS HOSE
a. Disconnect the water by-pass hose.
6. DISCONNECT WATER BY-PASS HOSE NO. 2.
a. Disconnect water by-pass hose No. 2.
7. REMOVE THROTTLE WITH MOTOR BODY ASSEMBLY
a. Disconnect the throttle with motor body assembly connector.
b. Remove the nut and remove the wire harness with bracket.
c. Remove the 2 nuts and remove the water filler subassembly with hose.
d. Remove the bolt and 3 nuts and remove the throttle with motor body assembly.
e. Remove the gasket from the intake manifold.
INSTALLATION
1. INSTALL THROTTLE WITH MOTOR BODY ASSEMBLY
a. Install a new gasket onto the intake manifold.
b. Install the throttle with motor body assembly using the bolt and 3 nuts.
Torque: 9.0 Nm (92 kgf.cm, 80 in. lbs.)
c. Install the water filler sub-assembly with hose using the 2 nuts.
Torque: 7.5 Nm (76 kgf.cm, 66 in. lbs.)
d. Install the wire harness with bracket using the nut.
Torque: 9.0 Nm (92 kgf.cm, 80 in. lbs.)
e. Connect the throttle with motor body assembly connector.
2. CONNECT WATER BY-PASS HOSE NO. 2.
a. Connect water by-pass hose No. 2.
3. CONNECT WATER BY-PASS HOSE
a. Connect the water by-pass hose.
4. INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH AIR CLEANER HOSE NO. 1
a. Install air cleaner cap sub-assembly with air cleaner hose No. 1.
b. Tighten the hose clamp to the specified torque.
Torque: 3.0 Nm (31 kgf.cm, 27 in. lbs.)
c. Connect the wire harness clamp and mass air flow meter connector.
d. Connect ventilation hose No. 2.
e. Connect the vacuum switching valve assembly connector and wire harness clamp.
f. Connect fuel vapor feed hose No. 1 and fuel vapor feed hose No. 2 to the vacuum switching valve assembly.
5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Torque: 5.4 Nm (55 kgf.cm, 48 in. lbs.)
6. ADD ENGINE COOLANT
7. CHECK FOR ENGINE COOLANT LEAKAGE
8. INSTALL CYLINDER HEAD COVER NO. 2