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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - Overhaul - SKYACTIV-G - 2.5L >> Timing Chain Assembly >> Cylinder Head Cover Assembly Note

Cylinder Head Cover Assembly Note

CAUTION:
  • To assure the sealing performance of the cylinder head cover, be careful of the following:
    • Verify that the cylinder head cover gasket is inserted into the cylinder head cover groove and install the cylinder head cover.
    • Completely clean and remove any oil, dirt, sealant or other foreign matter from the seal surface.
  • To prevent silicone sealant from hardening, adhere the cylinder head cover and the cylinder head within 10 min. after silicone sealant is applied. Tighten the Bolts completely soon after adhering.
  1. Insert a new cylinder head cover gasket into the cylinder head cover groove.
  2. Apply silicone sealant to the areas shown in the figure.
    Fig 1: Identifying Silicone Sealant Apply Areas To Cylinder Head
    G08348169Courtesy of MAZDA MOTORS CORP.
  3. Tighten the cylinder head cover bolts in the order shown in the figure.

    Tightening torque 

    4.5-7.0 N.m {46-71 kgf.cm, 40-61 in.lbf} 

    Fig 2: Cylinder Head Cover Bolt Tightening Sequence
    G08348170Courtesy of MAZDA MOTORS CORP.