GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 Eldorado 🢒 Engine 🢒 Engine Mechanical - 4.6L 🢒 Positive Crankcase Ventilation Valve Replacement

Removal Procedure

    Object Number: 475295 Size: SH
  1. Remove the 2 nuts (2) from the fuel injector sight shield (1).
  2. Lift the sight shield from the front and pull forward to disengage the rear tab from the bracket.

    3. Object Number: 490597 Size: SH
  3. Pull the PCV valve (1) from the right camshaft cover (2).
  4. Remove the PCV valve (1) from the PCV hose.

Installation Procedure

    Object Number: 490597 Size: SH
  1. Install the PCV valve (1) into the PCV hose.
  2. Push the PCV valve (1) into the right camshaft cover (2).

    3. Object Number: 475295 Size: SH
  3. Align the rear tab with the slot in the rear bracket and push the sight shield inward to engage.
  4. Pull sight shield down and align the studs on the intake manifold with the holes in the sight shield.

    5. 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.

  5. Install the fuel injector sight shield (1) nuts (2).

    6. Tighten
    Tighten the fuel injector sight shield nuts to 3 N·m (27 lb in).