REMOVAL CAUTION / NOTICE / HINT HINT: If the thermostat was not installed, cooling efficiency would decrease. Even if the engine tends to overheat, do not remove the thermostat. PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER 2. DRAIN ENGINE COOLANT
3. REMOVE V-BANK COVER SUB-ASSEMBLY 4. REMOVE AIR CLEANER ASSEMBLY 5. REMOVE AIR TUBE SUB-ASSEMBLY LH
(b) Disconnect the water by-pass hose.
(d) Remove the bolt and disconnect the air tube LH from the water inlet housing.
(f) Remove the 2 bolts and disconnect the air hose from the air switching valve LH. (g) Remove the air tube LH. 6. DISCONNECT OUTLET RADIATOR HOSE
7. REMOVE WATER INLET SUB-ASSEMBLY WITH THERMOSTAT
|
Toyota Tundra Service Manual > 1ur-fe Intake: Intake System
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT INTAKE AIR CONTROL VALVE (a) Remove the V-bank cover. (b) Start the engine. (c) While the engine is idling, check that the actuator rod moves as shown in the illustration. (d) Disconnect the VSV connector, and check that the actuator r ...