LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2023 >> Camaro ZL1, 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Mechanical - 2.0L - Repair Instructions) >> Repair Instructions >> Intake and Exhaust Camshaft, Bearing Cap, and Lash Adjuster Installation >> Intake Camshaft Installation

Intake Camshaft Installation

WARNING: This page is about a different variant/trim than selected.
  1. GM2742565Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Pre-fill the low pressure chamber with engine oil. Maintain a vertical orientation of the assembly to retain the oil in the reservoir and high pressure chamber. Do not install the lash adjusters without pre-filling the low pressure chamber. Apply engine oil to the outer diameter surface of all adjusters.

    Lubricate and install the hydraulic valve lash adjusters (1) into their bores in the cylinder head. Refer to Adhesives, Fluids, Lubricants, and Sealers .

  2. GM5166429Courtesy of GENERAL MOTORS COMPANY

    Lubricate the valve tips. Refer to Adhesives, Fluids, Lubricants, and Sealers .

  3. GM2742562Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Used rocker arms must be returned to the original position on the camshaft. If the camshaft is being replaced, the rocker arms actuated by the camshaft must also be replaced.

    NOTE:

    Pre-oil roller bearings before installation.

    Lubricate the roller bearings with valve rocker arm lubricant. Refer to Adhesives, Fluids, Lubricants, and Sealers .

  4. Position the valve rocker arm (1) on the tip of the valve stem and on the lash adjuster and lubricate. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  5. GM2742559Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Apply lubricant to all lobes and journals prior to installing the camshafts.

    Lubricate the intake camshaft lobes and journals with camshaft lubricant. Refer to Adhesives, Fluids, Lubricants, and Sealers .

    Set the intake camshaft (3) on top of the roller followers in the camshaft bearing journals with the intake actuator timing mark at approximately the 11 O'clock position.

    6. NOTE:

    To properly position the camshaft caps, install the camshaft cap bolts into the camshaft caps prior to installing the camshaft caps on the camshafts.

  6. Install the camshaft cap bolts (1) into the camshaft caps (2, 4).
  7. Install the camshaft caps (2) and hand start the camshaft cap bolts (1).
  8. Install the camshaft rear cap (4) and hand start the camshaft cap bolts (1).
  9. Fig 1: Camshaft Cap Bolts With Tightening Sequence
    GM2744052Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    During the tightening sequence, locate and tighten each camshaft cap bolt installed into the circular hole first. Then, tighten the bolt installed into the slotted hole.

    Tighten the camshaft cap bolts in sequence using the following procedure:

    1. Tighten the camshaft cap bolts in sequence to 8 N.m (71 lb in).
    2. Loosen both bolts in each cap in sequence to 180 degrees.
    3. Tighten the camshaft cap bolts in sequence to 10 N.m (89 lb in) twice.
  10. GM5047374Courtesy of GENERAL MOTORS COMPANY

    Install the front camshaft bearing cap (1). Install the 2 outer bolts (2) for the front camshaft bearing cap finger tight. Installation of the timing chain guide and bolts, and final torque for the front bearing cap is not performed until after the timing chain is installed.

scientia non olet · About LEMON Manuals