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Home >> Chevrolet >> 2018 >> Spark ACTIV, Automatic CVT Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 1.0L (L5Q) Or 1.4L (LV7) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Exhaust Camshaft Replacement >> Installation Procedure

Installation Procedure

  1. Fig 1: Exploded View Of Exhaust Camshaft, Exhaust Camshaft Bearing Caps And Bolts
    GM4036700Courtesy of GENERAL MOTORS COMPANY

    Coat the exhaust camshaft with lubricant. Refer to Adhesives, Fluids, Lubricants, and Sealers (Europe L5Q)Adhesives, Fluids, Lubricants, and Sealers (North America L5Q) .

  2. Install the exhaust camshaft in the cylinder head.
  3. Ensure that the camshaft notch at the front of the camshaft is in the 12 O'clock position before installing the camshaft caps.
    4. NOTE:

    Observe the markings on the bearing caps. Each bearing cap is market in order to identify its location. Ensure the caps are installed in the original location and position.

  4. Lubricate the 5 camshaft bearing caps (2, 3) and the 10 camshaft bearing cap bolts (3). Adhesives, Fluids, Lubricants, and Sealers (Europe L5Q)Adhesives, Fluids, Lubricants, and Sealers (North America L5Q) .
  5. Install the camshaft bearing cap (3).
  6. Install the camshaft bearing front cap (2).
  7. Loosely install the 10 camshaft bearing cap bolts (1) by hand.
  8. Fig 2: Identifying Exhaust Camshaft Bearing Cap Bolts With Tightening Sequence
    GM4287165Courtesy of GENERAL MOTORS COMPANY

    Pre-Tighten the camshaft bearing cap bolts in sequence as shown to 6 N.m (53 lb in)

  9. Repeat pre-tightening until all bolts keep the torque of 6 N.m (53 lb in) and the gap at bearing cap is closed.
  10. Tighten the bearing cap bolts in sequence as shown to 12 N.m (106 lb in).
  11. Install the camshaft position actuator. Camshaft Position Actuator Replacement .
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