i-290 2WD L4-2.9L (2008)
5. Remove the AIR check valve studs (3).
6. Remove the AIR check valve (2) and gasket (1). Discard the gasket.
Installation Procedure
1. Place a NEW AIR check valve gasket (1) between the engine and the valve.
2. Position the AIR check valve (2) to the engine.
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/Fastener Notice) .
3. Install the AIR check valve studs (3).
Tighten to studs to 25 N.m (18 lb ft).