GM Service Manual Online
For 1990-2009 cars only
Makes šŸ¢’ Cadillac šŸ¢’ 2006 šŸ¢’ STS šŸ¢’ Engine šŸ¢’ Engine Mechanical - 4.4L šŸ¢’ Cylinder Head Replacement - Left Side

Removal Procedure
  1. Remove the following subassemblies:
    2. ā€¢ The left exhaust manifold--Refer to Exhaust Manifold Replacement - Left Side .
    ā€¢ The supercharger--Refer to Supercharger Replacement .
    ā€¢ The water crossover--Refer to Water Outlet Housing Replacement .
    ā€¢ The left secondary camshaft drive chain--Refer to Secondary Camshaft Drive Chain Replacement - Left Side .
    ā€¢ The left camshafts--Refer to Camshaft Replacement - Left Side .
  2. Remove the power steering reservoir return hose retaining bolts from the cylinder head.

    3. Object Number: 522794 Size: SH
  3. Remove the left cylinder head. Make sure that no dowel guide pins are stuck in the cylinder head. Refer to Cylinder Head Removal - Left Side .
  4. Disassemble the left cylinder head. Refer to Cylinder Head Disassemble .
  5. Clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .
  6. Assemble the left cylinder head. Refer to Cylinder Head Assemble .

Installation Procedure

    Object Number: 522794 Size: SH
  1. Install the left cylinder head. Refer to Cylinder Head Installation - Left Side .

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the power steering reservoir and return hose retaining bolts to the cylinder head.

    3. Tighten
    Tighten the power steering reservoir and return hose retaining bolts to 50 NĀ·m (37 lb ft).

  3. Install the following subassemblies:
    4. ā€¢ The left camshafts--Refer to Camshaft Replacement - Left Side .
    ā€¢ The left secondary camshaft drive chain--Refer to Secondary Camshaft Drive Chain Replacement - Left Side .
    ā€¢ The water crossover--Refer to Water Outlet Housing Replacement .
    ā€¢ The supercharger--Refer to Supercharger Replacement .
    ā€¢ The left exhaust manifold--Refer to Exhaust Manifold Replacement - Left Side .