Connecting Rod Bearing Replacement Civic...266

Connecting Rod Bearing Replacement

1.Engine - Remove

2.Transmission - Remove

3.Cylinder Head - Remove

4.Oil Pan - Remove

5.Oil Pump - Remove

6.Oil Pump Chain and Crankshaft Sprocket - Remove

7.Baffle Plate - Remove

8.Connecting Rod Bearing Cap and Bearing Half - Remove

9.Connecting Rod Bearing Clearance - Inspect

1- Clean the connecting rod journal and the bearing half with a clean shop towel- 2- Place plastigage across the rod journal- 3- Apply new engine oil to the threads and flanges of connecting rod bolts- 4- Reinstall the bearing half and the connecting rod cap, then tighten the connecting rod bolts to 5.0 N·m (0.51 kgf·m, 3.7 lbf·ft)- 5- Tighten the connecting rod bolts to 39 N·m (4.0 kgf·m, 29 lbf·ft) 120 °- NOTE: Do not rotate the crankshaft during inspection- 6- Remove the connecting rod bearing cap and the bearing half, and measure the widest part of the plastigage- Connecting Rod Bearing-to-Journal Oil Clearance

Standard (New):

0.032 0.066 mm (0.00126 0.00260 in)

7- If the plastigage measures too wide or too narrow, remove the connecting rod bearing cap and the upper half of the connecting rod bearing. Install a new, complete bearing with the appropriate color code(s), and recheck the clearance. Do not file, shim, or scrape the bearings or the caps to adjust clearance- 8- If the plastigage shows the clearance is still incorrect, try the next larger or smaller bearing (the color listed above or below the current one), and check the clearance again. If the proper clearance cannot be obtained by using the appropriate larger or smaller bearings, replace the crankshaft and start over- 10.Connecting Rod Bearing - Select

1- Inspect each connecting rod for cracks and heat damage- Connecting Rod Big End Bore Code Locations

2- Each connecting rod has a tolerance range from 0 to 0.024 mm (0.00094 in), in 0.006 mm (0.00024 in) increments, depending on the size of its big end bore. It's then stamped with a number (1, 2, 3, or 4) indicating the range. You may find any combination of numbers and bars in any engine. (Half the number or bar is stamped on the connecting rod bearing cap, the other half is on the connecting rod.) If you cannot read the code because of an accumulation of oil and varnish, do not scrub it with a wire brush or scraper. Clean it only with solvent or detergent- Big End Bore Size:

51.0 mm (2.008 in)

Connecting Rod Journal Code Location

3- The connecting rod journal codes are stamped on the crankshaft in either location-

4- Use the big end bore codes and the rod journal codes to select appropriate replacement bearings from the following table- NOTE:

Color code is on the edge of the bearing-

When using bearing halves of different colors, it does not matter which color is used in the top or bottom- 11.All Removed Parts - Install

1- Install the parts in the reverse order of removal.

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