Air System Y-Pipe
REMOVAL PROCEDURE1. The engine/transaxle/frame assembly must be lowered from the vehicle in order to remove the AIR System Y pipe. The engine and transaxle do not need to be separated. Refer to Engine Replacement in Engine Mechanical.
2. Loosen and lower the pinch clamp (4) from the AIR pump exhaust pipe.
3. Disconnect the AIR pump exhaust pipe (3) from the AIR system Y-pipe (2).
4. Remove the front mounting bolts (5) from the AIR system Y-pipe.
5. Disconnect the AIR pump exhaust pipe (1) from the AIR control valve (6).
6. Remove the rear mounting bolts (3) from the AIR system Y-pipe.
7. Disconnect the AIR pump exhaust pipe (4) from the AIR control valve (2).
8. Remove the AIR system Y-pipe.
INSTALLATION PROCEDURE
1. Position the AIR system Y-pipe between the AIR control valves.
2. At the rear of the engine, connect the AIR System Y-pipe (1) to the Bank 1 AIR control valve.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the rear AIR System Y-pipe mounting bolts (3).
Tighten
Tighten the mounting bolts to 9 N.m (80 lb in).
4. At the front of the engine, connect the AIR system Y-pipe (2) to the Bank 2 AIR control valve (6).
5. Install the front mounting bolts (5) to the AIR system Y-pipe.
Tighten
Tighten the mounting bolts to 9 N.m (80 lb in).
6. Connect the AIR pump exhaust pipe (3) to the AIR system Y-pipe (2).
7. Reposition the pinch clamp (4) on the AIR pump exhaust hose at the Y-pipe inlet port.
8. Install the engine/transaxle/frame assembly.