For 1990-2009 cars

#### Tools Required

• | J 41742 Connecting Rod Guide

• | J 43953 Piston Ring Compressor

### Installation Procedure

1. Install the connecting rod bearings. Use the proper size bearings.

1.1. | Install the bearing inserts into the connecting rod and the connecting rod cap.

1.2. | Lubricate the connecting rod bearings with clean engine oil.

2. Install the J 41742 into the connecting rod bolt holes This protects the crankshaft journal during piston and connecting rod installation.
3. Install the piston and connecting rod into the cylinder.

3.1. | Stagger each piston ring end gap equally around the piston.

3.2. | Lubricate the piston and piston rings with clean engine oil.

3.3. | Install the J 43953 over the piston. Do not disturb the piston ring end gap location.

3.4. | The piston must be installed so that the arrow on top of the piston faces the front of the engine.

3.5. | Place the piston in its matching bore.

3.6. | Push the piston into its bore with a hammer handle. Guide the connecting rod to connecting rod journal while tapping the piston into place.

3.7. | Hold the J 43953 against the engine block until all rings have entered the cylinder bore.

3.8. | Remove the connecting rod guides from the connecting rod bolt holes.

Important: Ensure that the connecting rod cap is properly oriented on the connecting rod.

4. Install the connecting rod cap.

Important: Always use new bolts.

5. Install the connecting rod bolts.

Tighten
Tighten the connecting rod bolts to 25 N·m (18 lb ft) plus 100 degrees.

6. Install the remaining connecting piston and rod assemblies.
7. Measure the connecting rod side clearance with a feeler gage.

Tighten
Tighten the connecting rod side clearance to 0.07-0.37 mm (0.0027-0.0145 in).