Engine Block

Piston, Pin and Connecting Rod Replacement (cont'd)

 7-13  

  1. Use an inside dial indicator to measure the piston pin hole (in the piston).

Piston pin hole:

Standard:

27.004 – 27.009 mm

(1.0631 – 1.0633 in.)

  1. Calculate the piston pin and the piston pin hole clearance.

Piston pin and piston pin hole clearance:

Standard:

0.004 – 0.014 mm

(0.00015 – 0.00055 in.)

  1. Use a caliper calibrator and a dial indicator to measure the piston pin and connecting rod small end bushing clearance.

Piston pin and connecting rod small end bushing Clearance:

Standard (New):

0.008 – 0.020 mm

(0.0003 – 0.0008 in.)

Service limit:

0.05 mm (0.002 in.)

Connecting Rod Small End Bushing Replacement

  1. Set connecting rod small end to the bench press V-block (A).

  1. Use the bench press (B) and the bar (C) to slowly force the bushing from the connecting rod (D).

    NOTE: Take care not to damage the connecting rod with the bar when removing the bushing.

  1. Set the connecting rod small end (A) to the bench press V-block.

  1. Use the bench press (B) and the bar (C) to slowly force the bushing with oil hole position.

    NOTE: Align the bushing with the connecting rod oil port. After installing a new bushing, finish the bushing bore with a pin hole grinder.