Inspection After Removal

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Visual Inspection

Check for correct installation, damage and deterioration of vacuum hoses and pipe.

Air-tightness Check

Connect a suitable tool to inspect check valve operation. Refer to Inspection - Vacuum Hose Without Check Valve (Vacuum Hose Without Check Valve) or Inspection - Vacuum Hose With Check Valve (Vacuum Hose With Check Valve).
Replace vacuum hose component or check valve if out of specification.