Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Disassembly And Assembly
DISASSEMBLY
- Remove the piston and connecting rod assembly from the engine. Refer to ROD, PISTON AND CONNECTING, REMOVAL AND INSTALLATION .
- If required, remove the piston rings from the piston. Refer to RING(S), PISTON, REMOVAL AND INSTALLATION .
1 - Piston Pin Circlips - Remove the piston pin circlips with a suitable tool. DISCARD
the circlips.
1 - Connecting Rod 2 - Piston 3 - Piston Pin - Remove the piston pin with a suitable tool and separate the piston from the connecting rod.
ASSEMBLY
| 1 - Piston Directional Arrow |
| 2 - Cylinder Number Stamp |
The fractured connecting rod and rod cap mating surfaces have orientation; they can only be fitted in one position. Furthermore, the connecting rods must be fitted so that the cylinder number stamped above and below the cap joint on the narrow face (edge) of the big end are both located on the same side of the connecting rod big end and on the same side of the piston directional arrow. Connecting rods and caps are not mutually interchangeable (cap #1 must stay with connecting rod #1, and so on).
| 1 - Connecting Rod |
| 2 - Piston |
| 3 - Piston Pin |
- Lubricate the piston pin with clean engine oil. Assemble the connecting rod with the piston and install the piston pin.
1 - Piston Pin Circlips 2 - End Gap - Install NEW piston pin circlips in the piston groove. Position the circlips with the end gap at the top.
- If removed, install the piston rings. Refer to RING(S), PISTON, REMOVAL AND INSTALLATION .
- Install the piston and connecting rod assembly to the engine. Refer to ROD, PISTON AND CONNECTING, REMOVAL AND INSTALLATION .
NO RELATED
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.