Mazda MX-5 NA silhouetteMX-5 NA

ON-VEHICLE MAINTENANCE — Camshaft & Camshaft pulley install

B-22prose procedure
Continued from B-21

Camshaft — Installation (continued)

  1. 3
    Apply silicone sealant to the shaded areas shown in the figure.
    Caution: Do not allow any sealant on the camshaft journal surfaces.
    Top view of cylinder head showing arrows where silicone sealant is to be applied to shaded camshaft cap mating areas.
    05U0BX-053
  2. 4
    Install the camshaft caps according to the cap number and arrow mark.
    Layout view of the 10 camshaft caps showing the numbered identification marks and arrow direction marks on each cap.
    05U0BX-054
  3. 5
    Install the camshaft cap bolts and tighten them in two or three steps in the order shown in the figure.
    Top view of cylinder head showing the numbered tightening sequence (1 through 20) for camshaft cap bolts.
    05U0BX-055
Tightening torque (camshaft cap bolt)
11.3 - 14.2N·m

Camshaft oil seal — Installation

  1. 6
    Apply a small amount of clean engine oil to the lip of a new camshaft oil seal.
    View of cylinder head end showing the camshaft oil seal being tapped into place with a suitable pipe and hammer.
    05U0BX-056
  2. 7
    Push the oil seal slightly in by hand.
    Caution: The oil seal must be tapped in until it is flush with the edge of the camshaft cap.
  3. 8
    Tap the oil seal in evenly with a suitable pipe and a hammer.
Oil seal outer diameter
48 mm (1.89 in)

Camshaft pulley

Camshaft pulley — Installation

  1. 1
    Turn the camshafts until the camshaft dowel pins face straight up.
    View of camshaft ends showing the DOWEL PINS facing straight up, used for orienting camshaft pulleys with I and E marks.
    05U0BX-057
  2. 2
    Install the camshaft pulleys with the I mark (intake side) or the E mark (exhaust side) straight up.
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