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 > Heated Oxygen Sensor: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK HEATED OXYGEN SENSOR (a) Disconnect the heated oxygen sensor connector. (b) Measure the heater resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (HT1B) - 2 (+B) (for Bank 1) 20°C ( ...