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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical - 1.8L (Lay)) >> Repair Instructions - Off Vehicle >> Exhaust Manifold Cleaning and Inspection

Exhaust Manifold Cleaning and Inspection

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    Fig 1: Inspecting Exhaust Manifold For Warpage
    GM2017113Courtesy of GENERAL MOTORS CORP.
  1. Inspect exhaust manifold.
  2. NOTE: If the warpage is greater than the maximum, replace the manifold.
  3. Using a precision straightedge and feeler gauge, measure the warpage on the contact surface of the cylinder head.

    Specification:  Maximum warpage: 0.7 mm (0.028 in)

Standard Journal Diameter

Journal Position Specified Condition
No. 1 34.449 to 34.46 mm (1.3563 to 1.3569 in)
Other 22.949 to 22.965 mm (0.9035 to 0.9041 in)