Mazda MX-3 silhouetteMX-3

ASSEMBLY — Camshaft Pulley / Lock bolt / Cylinder Head Cover

B2-105prose procedure

K8-ZE V6 — left and right camshaft pulleys are not interchangeable (R/L marks).

Continued from B2-104

Camshaft Pulley

  1. 1
    The right and left pulleys are different and must be installed on the same head that they were removed from.
    Right and left camshaft pulleys shown side by side. A PINS callout points to the knock-pin holes that differ between the two pulleys, illustrating they are not interchangeable.
  2. 2
    Install the camshaft pulley so that the "R" mark can be seen and the timing mark aligns with the camshaft knock pin.
    RH camshaft pulley installed with the 'R' mark visible and the timing mark aligned with the camshaft knock pin.
  3. 3
    Install the camshaft pulley so that the "L" mark can be seen and the timing mark aligns with the camshaft knock pin.
    LH camshaft pulley installed with the 'L' mark visible and the timing mark aligned with the camshaft knock pin.

Camshaft Pulley Lock bolt

  1. 1
    Apply clean engine oil to the lock bolt threads.
  2. 2
    Hold the camshaft by using a wrench on the cast hexagon as shown, and tighten the bolt.
    Tightening torque: 123—140 N·m {12.5—14.3 kgf·m, 91—103 ft·lbf}
    Holding the camshaft by a wrench on the cast hexagon while tightening the camshaft pulley lock bolt. An arrow points to the hex flat used to hold the camshaft.
Camshaft pulley lock bolt
123 - 140N·m

Cylinder Head Cover

  1. 1
    Remove all old silicone sealant from the cylinder head and cover.
  2. 2
    Apply silicone sealant to the cylinder head cover as shown in the figure.
    LH and RH cylinder head cover top views showing the silicone sealant application areas (arrows) on the cover mating surface. SEALANT markers at the lower corners.
  3. 3
    Install the new cylinder head cover gasket into the cylinder head cover.
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