Mazda MX-3 silhouetteMX-3

Assembly

B2-98prose procedure
Continued from B2-97

Oil Pan

  1. 1
    Remove the sealant from the oil pan bolts and bolt holes in the lower cylinder block.
    If the bolts are reused, remove the old sealant from the bolt threads. Tightening the bolt that has old sealant on it can cause thread damage.
    Comparison diagram showing a bolt with OLD SEALANT on its threads (left) and the resulting CRACKS in the bolt hole (right), illustrating the caution against tightening bolts with old sealant.
  2. 2
    Remove any dirt or oil from the contact surfaces.
  3. 3
    Apply a continuous bead of silicone sealant to the oil pan along the inside of the bolt holes, and overlap the ends.
    Top view of the oil pan showing the continuous bead of silicone sealant applied along the inside of the bolt holes. SEALANT callout points to the bead.
  4. 4
    Install the oil pan within five minutes of applying the sealant.
    Line drawing of the oil pan with two bolts labeled A and B indicating different bolt lengths / tightening torques.
Tightening torque Aoil pan bolt A
19 - 25N·m
Tightening torque Boil pan bolt B
7.9 - 10.7N·m

Knock Sensor

  1. 1
    Install the knock sensor by using the SST.
    Line drawing of installing the knock sensor into the cylinder block valley using SST 49 H018 001 (a crow-foot type wrench).
knock sensor
20 - 34N·m

Water Pipe and Thermostat Housing

  1. 1
    Install a new gasket and install the water pipe and thermostat housing as an assembly.
    Line drawing of the water pipe and thermostat housing assembly being installed (arrow shows installation direction), with an inset detail showing the knock sensor harness secured to the water pipe with a clip.
  2. 2
    Secure the knock sensor harness to the water pipe with the clip as shown.
water pipe and thermostat housing
19 - 25N·m
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