Special Tools
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- J 43953: Piston Ring Compressor
- J 45059: Angle Meter
- J-43966-1 / J 41742: Connecting Rod Guides
For equivalent regional tools, refer to Special Tools .
- Install the connecting rod bearings. Use the proper size bearings.
- Install the bearing inserts into the connecting rod and the connecting rod cap.
- Lubricate the connecting rod bearings with engine oil.
- Install the J-43966-1: guide / J 41742: guide into the connecting rod bolt holes. This protects the crankshaft journal during piston and connecting rod installation.
- Install the piston and the connecting rod to the correct bore.
- Stagger each piston ring end gap equally around the piston.
- Lubricate the piston and the piston rings with engine oil.
- Install J 43953: piston over the piston. Do not disturb the piston ring end gap location.
- The piston must be installed so that the mark on the top of the piston faces the front of the engine.
- Place the piston in its matching bore.
- Tap the piston into its bore with a hammer handle. Guide the connecting rod to the connecting rod journal while tapping the piston into place.
- Hold the J 43953: piston against the engine block until all the rings have entered the cylinder bore.
- Remove the connecting rod guides from the connecting rod bolt holes.
- Install the connecting rod cap.
- Install the connecting rod bolts. Always use new bolts. Tighten the connecting rod bolt nuts to 25 N.m (18 lb ft), plus 100 degrees using J 45059: meter
- Install the remaining connecting rods and piston assemblies.
- Measure the connecting rod side clearance with a feeler gauge.
The correct clearance is 0.070-0.370 mm (0.0027-0.0145 in).
NOTE:
Ensure that the connecting rod cap is properly oriented on the connecting rod.
CAUTION:
Refer to Fastener Caution
.