Assembly Note

Lubricate the new piston pin and new piston pin bore.
- Use SAE 5W20 engine oil.
Fig 1: Lubricating Piston Pin For Installation
Courtesy of MAZDA MOTORS CORP.

NOTE:

During assembly the small end of the connecting rod must be heated to 232°-316°C (450°-600°F).

Fig 2: Pressing Piston Pin Into Piston & Connecting Rod

Courtesy of MAZDA MOTORS CORP.

Using Piston Pin Tool SST 303-D034 or equivalent, press the piston pin into the piston and the connecting rod.

NOTE:

NOTE:

Use a suitable ring expander to install the piston rings. Ensure ring end gaps are equally spaced around the circumference of the piston for all piston rings.

Fig 3: Installing Second Oil Control Ring

Courtesy of MAZDA MOTORS CORP.

Install the second oil control ring.
Install the oil control spacer ring.

Fig 4: Installing Oil Control Spacer Ring
Courtesy of MAZDA MOTORS CORP.
Install the first oil control ring.

Fig 5: Installing First Oil Control Ring
Courtesy of MAZDA MOTORS CORP.
Install the second compression ring.

Fig 6: Installing Second Compression Ring
Courtesy of MAZDA MOTORS CORP.
Install the top compression ring.

Fig 7: Installing Top Compression Ring
Courtesy of MAZDA MOTORS CORP.
Check piston ring end gap and ring-to-groove side clearance. Refer to PISTON INSPECTION .