Piston, Connecting Rod, and Bearing Removal

WARNING: This page is about a different variant/trim than selected.

Fig 1: View Of 6 Bolts & 2 Nuts

Courtesy of GENERAL MOTORS CORP.

Fig 2: Illustrating Ventilation Case Removal

Courtesy of GENERAL MOTORS CORP.

NOTE: Tape the screwdriver tip before use.

Remove the ventilation case by prying between the 1 ventilation case and cylinder block with a screwdriver as shown in the illustration.

Fig 3: View Of Reaming Piston Ring Ridge

Courtesy of GENERAL MOTORS CORP.

Fig 4: Checking Matchmarks On Connecting Rod & Cap Are Aligned

Courtesy of GENERAL MOTORS CORP.

NOTE: The matchmarks on the connecting rods and caps are provided to ensure correct reassembly.

Check that the matchmarks on the connecting rod and cap are aligned to ensure correct reassembly.

Fig 5: Identifying Connecting Rod Cap Bolts

Courtesy of GENERAL MOTORS CORP.

Fig 6: View Of Connecting Rod Cap & Lower Bearing

Courtesy of GENERAL MOTORS CORP.

NOTE: Keep the lower bearing inserted in the connecting rod cap.

Using the 2 removed connecting rod cap bolts, remove the connecting rod cap and lower bearing by wiggling the connecting rod cap right and left.

NOTE: Keep the bearing, connecting rod and cap as a set and arrange the piston and connecting rod assemblies in the correct order.

Push the piston, connecting rod assembly and upper bearing through the top of the cylinder block.
Remove the connecting rod bearings.