Piston & Connecting Rod Assembly Note

Assemble Piston Pin Setting Tool Set (49 L011 0A0B) components as shown. See Figure.
Insert SST No. 2 into the piston pin as shown and fully screw in SST No. 1.

Fig 1: Assembling SSTs No. 1 & 2
Courtesy of MAZDA MOTORS CORP.
Set the SST stopper bolt so that dimension "L" is as specified.
Dimension L

59.0 mm {2.32 in}

Fig 2: Identifying Dimension "L"
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Apply clean engine oil to the piston pin.
Insert the piston pin and the SST assembled in step 2) into the piston and connecting rod.

Fig 3: Installing Piston Pin Into Piston & Connecting Rod
Courtesy of MAZDA MOTORS CORP.
Press the piston pin into the piston and connecting rod until the SST guide contacts the SST stopper bolt.
While inserting the piston pin, check the pressure force.
Pressure Force

4.91-14.70 kN {500-1500 kgf, 1100-3300 lbf}

Fig 4: Pressing Piston Pin
Courtesy of MAZDA MOTORS CORP.
Verify that the second ring is installed with the scraper face downward.
Position the end gap of the oil ring as shown.

Fig 5: Piston Ring Positioning
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Front (F) mark is facing the front of the engine.

Fig 6: Identifying Piston Front Mark
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Inspect the connecting rod cap bolts. See MAIN BEARING CAP BOLT INSPECTION .
Install the connection rod caps with the knock pins and the alignment marks aligned.

Fig 7: Aligning Knock Pin Marks
Courtesy of MAZDA MOTORS CORP.
Tighten bolts to specification in 2 or 3 steps. See TORQUE SPECIFICATIONS .
Put a paint mark on each bolt head.
Using the mark as a reference, tighten bolts an additional 85-95 degrees.

Fig 8: Identifying Paint Marks
Courtesy of MAZDA MOTORS CORP.