Honda CR-V: Piston, Pin, and Connecting Rod Replacement

Honda CR-V (2006–2011) Service Manual / Engine Mechanical / Engine Block / Piston, Pin, and Connecting Rod Replacement

Disassembly

1. Remove the piston from the engine block.

2. Apply new engine oil to the piston pin snap rings (A), and turn them in the ring grooves until the end gaps are lined up with the cutouts in the piston pin bores (B).

NOTE: Take care not to damage the ring grooves.

Honda CR-V. Engine Block

3. Remove both snap rings. Start at the cutout in the piston pin bore. Remove the snap rings carefully so they do not go flying or get lost. Wear eye protection.

Honda CR-V. Engine Block

4. Heat the piston and connecting rod assembly to about 158 ºF (70 ºC), then remove the piston pin.

Honda CR-V. Engine Block

Inspection

NOTE: Inspect the piston, piston pin, and connecting rod when they are at room temperature.

1. Measure the diameter of the piston pin.

Piston Pin Diameter

Standard (New): 21.961-21.965 mm (0.8646-0.8648 in.)
Service Limit: 21.953 mm (0.8643 in.)

2. Zero the dial indicator to the piston pin diameter.

Honda CR-V. Engine Block

3. Check the difference between the piston pin diameter and piston pin hole diameter in the piston.

Piston Pin-to-Piston Clearance

Standard (New): -0.005 to +0.002 mm (-0.00020 to +0.00008 in.)
Service Limit: 0.005 mm (0.0002 in.)

Honda CR-V. Engine Block

4. Measure the piston pin-to-connecting rod clearance.

Piston Pin-to-Connecting Rod Clearance

Standard (New): 0.005-0.015 mm (0.0002-0.0006 in.)
Service Limit: 0.02 mm (0.0008 in.)

Honda CR-V. Engine Block

Reassembly

1. Install a piston pin snap ring (A).

Honda CR-V. Engine Block

2. Coat the piston pin bore in the piston, the bore in the connecting rod, and the piston pin with new engine oil.

3. Heat the piston to about 158 ºF (70 ºC).

Honda CR-V. Engine Block

4. Assemble the piston (A) and connecting rod (B) with the arrow (C) and the embossed mark (D) on the same side. Install the piston pin (E).

Honda CR-V. Engine Block

5. Install the remaining snap ring (F).

6. Turn the snap rings in the ring grooves until the end gaps are positioned at the bottom of the piston.

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