LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Engine Mechanical System (VIN L)) >> Hydraulic Lash Adjuster (HLA) Removal/Installation >> Camshaft Installation Note

Camshaft Installation Note

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
  1. Apply SAE 90 gear oil or equivalent, or engine oil to the positions shown in the illustration.
    CAUTION:
    • Apply 0.05 ml {0.05 cc, 0.003 in3} or less of oil to area A in the illustration.
    G11429691Courtesy of MAZDA MOTORS CORP.
  2. Apply gear oil (SAE 90 or equivalent) or engine oil to the thrust surface (both surfaces front and back) of the front journal on each camshaft.
    NOTE:
    • If oil is applied to the front camshaft cap, oil should not be applied to the thrust surface of the front journal.
  3. As shown in the illustration, align the cam position of cylinder No. 1 around top dead center (TDC) and place the intake camshaft on the cylinder head.
    G11436755Courtesy of MAZDA MOTORS CORP.
  4. Remove the rope suspending the timing chain on the exhaust side.
  5. While aligning the mark on the timing chain placed during removal with the one on the hydraulic variable valve timing actuator, place the exhaust camshaft component on the cylinder head.
    G12188628Courtesy of MAZDA MOTORS CORP.
  6. Apply SAE 90 gear oil or equivalent, or engine oil to the central area of each journal on the camshaft.
    G11547197Courtesy of MAZDA MOTORS CORP.
  7. Apply SAE 90 gear oil or equivalent, or engine oil to the thrust surface of the front camshaft cap.
    NOTE:
    • If oil is applied to the front journal thrust surface of the exhaust camshaft, oil should not be applied to the front camshaft cap.
  8. Apply sealant (LOCTITE 962T or equivalent) to the rear camshaft cap installation area on the exhaust side of the cylinder head or the rear camshaft cap on the exhaust side.
    NOTE:
    • To prevent engine oil leakage, apply sealant to the rear camshaft cap installation area on the exhaust side or the rear camshaft caps on the exhaust side of the cylinder head, and seal the journal.
    G11275751Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Do not spill sealant on the journal.

    Sealant agent bead width 

    1-3 mm {0.04-0.11 in}

  9. Install the camshaft caps in the marked number order, and temporarily tighten the camshaft cap installation bolts in two or three passes evenly.
  10. Tighten the camshaft cap installation bolts in two steps in the order shown in the illustration.
    Fig 1: Camshaft Caps Bolts Tightening Sequence
    G13556523Courtesy of MAZDA MOTORS CORP.