Engine Block (4-CYL): Other Honda Accord VIII

Main Bearing Selection

Block Bore Code Location

Scheme 938

Scheme 939

Scheme 940

Scheme 941

1. Numbers, letters, or bars have been stamped on either side of the lower block end as a code for the size of each of the five main journal bores. Write down the block bore codes. If you cannot read the codes because of accumulated dirt and dust, do not scrub them with a wire brush or scraper. Clean them only with solvent or detergent. Main Journal Code Location
2. The main journal codes are stamped on the crankshaft in either location.
3. Use the block bore codes and the main journal codes to select the 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. K24Z2 engine K24Z3 engine

Scheme 942

1. Remove the oil pump (see «OIL PUMP REMOVAL»(ref-424873-S30855031012011100100000) ).
2. Remove the baffle plate (see step 10 on ).
3. Remove the connecting rod cap and the bearing half (see «CRANKSHAFT AND PISTON REMOVAL»(ref-424909-S26519311192011100100000) ).
4. Clean the crankshaft rod journal and the bearing half with a clean shop towel.
5. Place plastigage across the rod journal.
6. Reinstall the bearing half and the cap, then torque the bolts to 41 N.m (4.2 kgf.m, 30 lbf.ft) +120°. NOTE: Apply new engine oil to the bolt threads and flanges. Do not rotate the crankshaft during inspection.
7. Remove the rod 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) Service Limit: 0.077 mm (0.00303 in)
8. If the plastigage measures too wide or too narrow, remove the cap, and the upper half of the 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.
9. 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 (see «CRANKSHAFT AND PISTON REMOVAL»(ref-424909-S26519311192011100100000) ).

Scheme 943

Scheme 944

Scheme 945

1. Inspect each connecting rod for cracks and heat damage. 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 is then stamped with a number or bar (1,2,3, or 4/I, II, III, or Nil) indicating the range. You may find any combination of numbers and bars in any engine. (Half the number or bar is stamped on the rod cap, the other half is on the 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.

Scheme 946

Scheme 947

Scheme 948

Scheme 949

Scheme 950

Scheme 951

Scheme 952

Scheme 953

1. If the engine is already out of the vehicle, go to step 19 .
2. Remove the strut brace (if equipped) (see «FRAME BRACE REPLACEMENT»(ref-424906-S23205703172011100100000) ).
3. Do the battery removal procedure (see «BATTERY REMOVAL AND INSTALLATION»(ref-424893-S34655733102011100100000) ).
4. Remove the air cleaner (see «THROTTLE BODY CLEANING»(ref-424885-S32312340552011100100000) ).
5. Remove the harness clamps, then remove the battery base (see step 8 under «ENGINE REMOVAL»(ref-424904-S11341751072011100100000) ).
6. Remove the front engine mount stop (A), then remove the front engine mount bolt (B).
7. Loosen the rear engine mount mounting bolts (A). M/T model A/T model
8. Loosen the upper transmission mount bracket mounting bolts (A). M/T model A/T model
9. Raise the vehicle on the lift.
10. Remove the left front wheel.
11. Remove the splash shield (see step 25 under «ENGINE REMOVAL»(ref-424904-S11341751072011100100000) ).
12. Drain the engine oil (see step 5 under «ENGINE OIL REPLACEMENT»(ref-424873-S00348703672011100100000) ).
13. Separate the left side knuckle from the lower arm (see step 5 under «LOWER ARM REMOVAL/INSTALLATION»(ref-424907-S21736754832011100100000) ).
14. Remove the left side damper fork (see step 3 under «LOWER ARM REMOVAL/INSTALLATION»(ref-424907-S21736754832011100100000) ).
15. Remove the left side driveshaft (see «DRIVESHAFT INSPECTION»(ref-424877-S23660701032011100100000) ). Coat all precision-finished surface with new engine oil. Tie a plastic bag over the driveshaft end.
16. Remove the nuts securing the lower transmission mount (see step 50 under «ENGINE REMOVAL»(ref-424904-S11341751072011100100000) ).
17. A/T model: Remove the shift cable bracket. Vehicles with JHM VINs (see step 53 under «TRANSMISSION REMOVAL»(ref-424882-S29035931562011100100000) ). Vehicles with 1HG VINs (see step 55 under «TRANSMISSION REMOVAL»(ref-424882-S29035931562011100100000) ).
18. Use a transmission jack to lift the transmission 30-40 mm (1.18-1.57 in).
19. Remove the clutch case cover (A), and remove the two bolts securing the transmission.
20. Remove the bolts securing the oil pan.
21. Using a flat blade screwdriver, separate the oil pan from the engine block in the places shown.
22. Remove the oil pan.

Scheme 954

Scheme 955

Scheme 956

Scheme 957

Scheme 958

Scheme 959

Scheme 960

Scheme 961

1. Remove the engine/transmission (see «ENGINE REMOVAL»(ref-424904-S11341751072011100100000) ).
2. Remove the transmission: Manual transmission (see «TRANSMISSION REMOVAL»(ref-424881-S21406968052011100100000) ) Automatic transmission (see «TRANSMISSION REMOVAL»(ref-424882-S29035931562011100100000) )
3. M/T model: Remove the flywheel (see step 17 under «CLUTCH REPLACEMENT»(ref-424880-S14105483712011100100000) ).
4. A/T model: Remove the drive plate (see «DRIVE PLATE REMOVAL AND INSTALLATION»(ref-424882-S09255347702011100100000) ).
5. Remove the CKP sensor cover (A), then disconnect the CKP sensor connector (B).
6. Remove the harness holder (C).
7. Remove the oil pan (see «OIL PAN REMOVAL»(ref-424909-S07505206592011100100000) ).
8. Remove the oil pump (see «OIL PUMP REMOVAL»(ref-424873-S30855031012011100100000) ).
9. Remove the cylinder head: All models except PZEV (see «CYLINDER HEAD REMOVAL»(ref-424889-S38194170952011100100000) ) PZEV model (see «CYLINDER HEAD REMOVAL»(ref-424890-S04862989032011100100000) )
10. Remove the baffle plate.
11. Remove the 8 mm bolts.
12. Remove the bearing cap bolts. To prevent warpage, loosen the bolts in sequence 1/3 turn at a time; repeat the sequence until all bolts are loosened.
13. Remove the lower block and the bearings. Keep all the bearings in order.
14. Remove the rod caps/bearings. Keep all the caps/bearings in order.
15. Lift the crankshaft out of the engine. Be careful not to damage the journals and the CKP pulse plate.
16. Remove the CKP pulse plate from the crankshaft (see «CKP PULSE PLATE REPLACEMENT»(ref-424909-S39950908832011100100000) ).
17. Remove the upper bearing halves from the connecting rods, and set them aside with their respective caps.
18. If you can feel a ridge of metal or hard carbon around the top of each cylinder, remove it with a ridge reamer (A). Follow the reamer manufacturer's instructions. If the ridge is not removed, it may damage the piston as it is pushed out.
19. Use the wooden handle of a hammer (A) to drive out the piston/connecting rod assembly (B).
20. Reinstall the lower block and the bearings on the engine block in the proper order.
21. Reinstall the connecting rod bearings and the caps after removing each piston/connecting rod assembly.
22. Mark each piston/connecting rod assembly with its cylinder number to make sure they are reinstalled in the original order. NOTE: The existing number on the connecting rod does not indicate its position in the engine, it indicates the rod bore size.