Mazda MX-5 NA silhouetteMX-5 NA

DISASSEMBLY

B-46prose procedure
Continued from B-45

Disassembly Note

Connecting rod cap

  1. 1
    Before removing the connecting rod caps, measure the connecting rod side clearance. (Refer to page B-65.)
    Measuring connecting rod side clearance with a feeler gauge between the connecting rod big-end and crankshaft crank web. Inset shows arrow labelled 'SIDE CLEARANCE'.
    05U0BX-110

Connecting rod

  1. 1
    Before removing the connecting rods, measure the connecting rod oil clearance. (Refer to page B-65.)
    Measuring connecting rod oil clearance with Plastigage on the crankpin journal inside the cylinder block.
    05U0BX-111
  2. 2
    Remove the Plastigage from the crankpin journals.
    Do not scratch the crankshaft journal or the cylinder wall.
    Using the handle of a hammer to drive the piston and connecting rod assembly out through the top of the cylinder block.
    05U0BX-112
  3. 3
    Use the handle of a hammer to remove the piston and connecting rod assembly through the top of the cylinder block.

Piston ring

  1. 1
    Remove the piston rings with a piston ring expander (commercially available).
    Do not apply excessive tension, which may cause the rings to snap out.
    Removing piston rings with a piston ring expander pliers.
    05U0BX-113

Piston pin

  1. 1
    Remove the piston pin with the SST.
    Mark the connecting rod direction for proper reassembly.
    Removing the piston pin using SST 49 0221 061A clamped in a press, with the piston and connecting rod assembly being supported by a hand.
    05U0BX-114
Support our work!

See also

B-65ASSEMBLY

Search Manual

Search pages, specs, and procedures