Question 1

How to replace the piston, connecting rod, and bearing with variable camshaft phasing on Chevrolet Aveo?

Accepted Answer

In order to remove Piston, connecting rod, and bearing on variable Camshaft phasing first remove engine assembly and mount it on a stand before starting. Remove the Ignition Coil, pcv clips and pcv hose from the cylinder head cover and then get the cylinder head cover bolts and the cover. Next, you will remove the Power Steering Pump and bracket, timing belt, timing belt tensioner, camshaft intake and exhaust sprockets, camshaft rear cover , exhaust manifold, throttle body, intake manifold, engine coolant distributor , and cylinder head bolts to extract cylinder head assembly with the cylinder head gasket. Refine Engine Oil Cooler, a/c compressor, Alternator, starter, oil pan, oil pump assembly, flexible plate or Flywheel. Make sure to double-check the Piston assembly and connecting rod bearing sequence to avoid confusion. Pull off the connecting rod cap and bolts; then the Piston assembly, Piston pin, and Piston Ring with the help of the expansion tool. For installation, install back the Piston pin and Piston Ring onto the Piston using the expansion tool, and install the Piston assembly insert with the Piston installer (1.6L only - EN-49153). Retighten the connecting rod cap and bolts to 35+45° +15 nm (25.8+45° +15 lb ft), flexible plate/or fly wheel, oil pump assembly, engine oil cooler, a/c compressor, Alternator, and Starter. Install the Oil Pan, ensuring not to reuse the cylinder head gasket, then install the cylinder head assembly with a new gasket and tighten the cylinder head bolts to 25+90° +90° +90° +45° nm (18.4+90° +90° +90° +45° lb ft). Lastly, install the engine coolant distributor, intake manifold, throttle body, exhaust manifold, camshaft rear cover, camshaft intake, and exhaust sprockets, timing belt system, accessory belt, power steering pump and bracket, cylinder head cover, cylinder head cover bolts, pcv hose, and pcv clips, putting back the Ignition Coil.

Question 2

How to replace the piston, connecting rod, and bearing in an engine on Chevrolet HHR?

Accepted Answer

The first step to replace a Piston with its connecting rod along with a bearing requires workers to remove both the Oil Pan and the Cylinder Head. The first step requires moving the Crankshaft while watching the Piston to reach the lowest point and placing fabric directly above it. At this position you should utilize a ridge reamer to eliminate the ring ridge. Next turn the Crankshaft to its top stroke position while disposing the cloth and cutting debris before making connecting rod and cap markings for reassembly. You should begin by removing the connecting rod nuts and cap followed by bolt and nut disposal. Proceed with extracting the connecting rod and Piston from the engine block through the usage of connecting rod guides (J-43966-1). Detergent-hot water mixture or light honing should be used to clean cylinder bores while a mixture of engine oil and a clean dry cloth should follow for wiping the bore surfaces. Place engine oil on the Piston as well as the Piston rings and cylinder bore and bearing surfaces before using the connecting rod guides (J-43966-1) to install the Piston correctly into its original bore while gently tapping its top with a wooden hammer handle. Aligning the marked Piston stamp with the front of the engine requires the use of the Piston Ring compressor (EN-47836) to clamp the engine block until all Piston rings reach the cylinder bore. After that, install connecting rod caps on their correct connecting rods while maintaining their prior number alignment. New connecting rod bolts and nuts require even nut tightening to 25 n.m (18 lb ft) first then the angle meter (J 45059) completes the final tightening process to 100 degrees. A feeler gauge should measure the connecting rod side clearance at 0.0027-0.0145 in (0.070-0.370 mm) after which you can install the Cylinder Head before putting on the Oil Pan.

Question 3

How to service and repair the piston on Chevrolet Tracker?

Accepted Answer

One must acquire a Piston Ring compressor (J8037) as the initial tool before commencing Piston maintenance. Begin your repair work by taking off the Cylinder Head from the cylinder block before proceeding to remove the Oil Pan together with the oil pump strainer. A ridge reamer should remove ridges along with carbon deposits from the cylinder bore top to avoid harming Piston Ring lands. Draw a cylinder label directly on each Piston and connecting rod and connecting Rod Bearing cap. Use hose pieces wrapped over connecting rod studs to shield the Crankshaft and cylinder wall while extracting the Piston and connecting rod from the cylinder bore. After this detach the two nuts and the connecting Rod Bearing cap. The mechanic should take apart the Piston and connecting rod components for inspection before picking the right connecting Rod Bearing along with Piston. Use clean engine oil to coat the components including pistons and rings and cylinder walls as well as connecting rod bearings and crank pins. An additional hose must cover the connecting rod studs when you install them to protect against potential installation damage. Position the arrow mark located on top of the Piston towards the Crankshaft Pulley direction. The Piston Ring compressor (J8037) should be utilized to compress Piston rings followed by Piston and connecting rod installation into the cylinder bore. Strike the Piston head with a hammer handle while holding the Piston Ring compressor (J8037) on top of the cylinder block until all Piston rings locate correctly. Screw the connecting rod bolts to the rod cap while using two nuts that need tightening to 35 nm (26 ft. Lbs.). The last part involves installing the engine Oil Pan along with the Cylinder Head onto the cylinder block.

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