Secondary Air Injection Control Valve Replacement - Bank 2 Dual Pump System
Removal Procedure
- Remove the vacuum connections from the AIR check valve.
- Loosen and lower the pinch clamp holding the AIR exhaust hose
to the front AIR check valve.
- Remove the nuts retaining the AIR check valve to the exhaust manifold
pipe.
- Remove the front AIR check valve.
Installation Procedure
- Install the front AIR check valve.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the nuts
retaining the AIR check valve to the exhaust manifold pipe.
Tighten
Tighten the nuts to 9 N·m (80 lb in).
- Reconnect the vacuum connections.
- Install the AIR exhaust hose and pinch clamp.
Secondary Air Injection Control Valve Replacement - Bank 2 Single Pump System
Removal Procedure
- Remove the Air Cleaner Assembly. Refer to
Air Cleaner Assembly Replacement
.
- Disconnect the vacuum lines.
- Loosen and lower the pinch clamp connecting the bank 2
intermediate pipe/hose to the bank 2 shut-off valve.
- Disconnect the hose from the shut-off valve.
- Remove the 2 nuts securing the bank 2 AIR shut-off to the
bracket.
- Remove the bank 2 AIR shut-off valve from the bracket.
Installation Procedure
- Install the bank 2 AIR shut-off valve and new gasket to
the bank 2 outlet pipe.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the 2 nuts
securing the shut-off valve to the bracket.
Tighten
Tighten the three nuts to 9 N·m (80 lb in).
- Install the bank 2 intermediate pipe/hose and clamp to
the shut-off valve.
- Install the vacuum lines.
- Install the air cleaner assembly. Refer to
Air Cleaner Assembly Replacement
.