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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Mechanical - 2.4L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Intake Camshaft, Follower, and Adjuster Install

Intake Camshaft, Follower, and Adjuster Install

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Hydraulic Lash Adjusters
    GM1404027Courtesy of GENERAL MOTORS CORP.
  1. Install the hydraulic lash adjusters into their bores in the cylinder head.
  2. Lubricate the hydraulic lash adjusters with GM P/N 1234550 (Canadian P/N 992704) or equivalent.
    3. Fig 2: Lubricating valve tips
    GM1403895Courtesy of GENERAL MOTORS CORP.
  3. Lubricate the valve tips.
    4. Fig 3: View Of Roller Followers
    GM1403946Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Used roller followers must be returned to the original position on the camshaft. If the camshaft is being replaced, the roller followers actuated by the camshaft must also be replaced.
  4. Position the roller followers on the tip of the valve stem and on the lash adjuster. Lubricate roller followers with GM P/N 12345501 (Canadian P/N 992704) or equivalent.
    5. Fig 4: Identifying Camshaft Caps
    GM1403944Courtesy of GENERAL MOTORS CORP.
  5. Set the intake camshaft on top of the roller followers in the camshaft bearing journals. Lubricate with GM P/N 12345501 (Canadian P/N 992704) or equivalent.
  6. Install the camshaft caps and hand start the camshaft cap bolts.
    7. NOTE: Refer to Fastener Notice .
  7. Tighten the camshaft cap bolts in increments of 3 turns until they are seated.

    Tighten:  Tighten the camshaft caps to 10 N.m (89 lb in).

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