DISASSEMBLY PROCEDURE 1. REMOVE OIL PUMP COVER
2. REMOVE OIL PUMP RELIEF VALVE
(b) Remove the valve spring and oil pump relief valve. |
Toyota Tundra Service Manual > Sfi System: Secondary Air Injection System Switching Valve "A" Circuit (P0412,P0415)
DESCRIPTION The Secondary Air Injection (AIR) system consists of an air pump, the Air Switching Valve (ASV), a pressure sensor, the Air Injection Control Driver (AID) and the ECM. For a short time after a cold engine start, the AIR system pumps secondary air to the exhaust port of the cylinder head ...