REMOVAL 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 INLET RADIATOR HOSE
6. REMOVE FAN SHROUD
(b) Remove the fan and generator V-belt (See page
(c) Disconnect the reservoir hose from the upper radiator tank.
(e) Remove the 4 nuts of the fluid coupling fan, and then remove the shroud together with the fluid coupling fan. NOTICE: Be careful not to damage the radiator core. (f) Remove the fan pulley from the fan bracket. 7. REMOVE FAN
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Toyota Tundra Service Manual > Sfi System: Engine Coolant Temperature / Intake Air Temperature Correlation (P011B)
DESCRIPTION The engine has two temperature sensors, an Engine Coolant Temperature (ECT) sensor and an Intake Air Temperature (IAT) sensor, to detect temperature while the engine is in operation. A thermistor, whose resistance value varies according to temperature, is built into each sensor. When the ...