REMOVAL PROCEDURE 1. REMOVE FAN SHROUD (See page 2. REMOVE WATER INLET SUB-ASSEMBLY WITH THERMOSTAT (See page 3. REMOVE NO. 1 WATER BY-PASS HOSE
4. DISCONNECT NO. 8 WATER BY-PASS HOSE
5. DISCONNECT NO. 5 WATER BY-PASS HOSE
6. REMOVE WATER INLET HOUSING
(b) Remove the gasket from the water pump assembly. 7. REMOVE WATER PUMP PULLEY
(b) Remove the 4 bolts and water pump pulley. 8. REMOVE WATER PUMP ASSEMBLY
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Toyota Tundra Service Manual > Sfi System: Evaporative Emission Pressure Switching Valve Stuck OFF (P2420)
DTC SUMMARY DTC No. Monitoring Item Malfunction Detection Condition Trouble Area Detection Timing Detection Logic P2420 Vent valve stuck open (vent) Following condition met during key-off EVAP monitor: EVAP pressure change when vent valve closed (ON) less than 0.3 kPa-g (2.25 mmHg-g) Canister pump m ...