Engine Block (Except Hybrid & V6): Overview Honda Accord VII

Scheme 193

Scheme 194

Scheme 195

Scheme 196

Scheme 197

1. Remove the oil pump (see «OIL PUMP REMOVAL»(ref-217084-S03244861832006012800000) ).
2. Remove the baffle plates (see step 8 ).
3. Measure the connecting rod end play with a feeler gauge between the connecting rod and crankshaft. Connecting Rod End Play Standard (New): 0.15-0.35 mm (0.006-0.014 in.) Service Limit: 0.40 mm (0.016 in.)
4. If the connecting rod end play is out-of-tolerance, install a new connecting rod, and recheck. If it is still out-of-tolerance; replace the crankshaft (see step 9 ).
5. Push the crankshaft firmly away from the dial indicator, and zero the dial against the end of the crankshaft. Then pull the crankshaft firmly back toward the indicator; the dial reading should not exceed the service limit. Crankshaft End Play Standard (New): 0.10-0.35 mm (0.004-0.014 in.) Service Limit: 0.45 mm (0.018 in.)
6. If the end play is out-of-tolerance, replace the thrust washers and recheck, if it is still out-of-tolerance, replace the crankshaft (see step 9 ).

Scheme 198

1. To check main bearing-to-journal oil clearance, remove the lower block and bearing halves (see «CRANKSHAFT AND PISTON REMOVAL»(ref-217083-S32297190152006012800000) ).
2. Clean each main journal and bearing half with a clean shop towel.
3. Place one strip of plastigage across each main journal.
4. Reinstall the bearing half and lower block, then torque the bolts to 29 N.m (3.0 kgf.m, 22 lbf.ft) + 56 ° in the proper sequence (see step 18 ). NOTE: Do not rotate the crankshaft during inspection.
5. Remove the lower block and bearing half again, and measure the widest part of the plastigage. Main Bearing-to-Journal Oil Clearance No. 1,2,4,5 Journals: Standard (New): 0.017 - 0.041 mm (0.0007 - 0.0016 in.) Service Limit: 0.050 mm (0.0020 in.) No. 3 Journal: Standard (New): 0.025 - 0.049 mm (0.0010 - 0.0019 in.) Service Limit: 0.055 mm (0.0022 in.)
6. If the plastigage measures too wide or too narrow, remove the crankshaft, and remove the upper half of the bearing. Install a new, complete bearing with the same color code(s), and recheck the clearance. Do not file, shim, or scrape the bearings or the caps to adjust clearance.
7. If the plastigage shows the clearance is still incorrect, try the next larger or smaller bearing (the color listed above or below that one), and check again. If the proper clearance cannot be obtained by using the appropriate larger or smaller bearings, replace the crankshaft and start over.

Scheme 199

Scheme 200

Scheme 201

1. Numbers or letters or bars have been stamped on the end of the block as a code for the size of each of the five main journal bores. Write down the crank bore codes. If you can't 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.
3. Use the crank bore codes and crank 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.

Scheme 202

1. Remove the oil pump (see «OIL PUMP REMOVAL»(ref-217084-S03244861832006012800000) ).
2. Remove the baffle plates (see step 8 ).
3. Remove the connecting rod cap and bearing half.
4. Clean the crankshaft rod journal and bearing half with a clean shop towel.
5. Place plastigage across the rod journal.
6. Reinstall the bearing half and cap, and torque the bolts to 20 N.m (2.0 kgf.m, 14 lbf.ft) + 90°. NOTE: Do not rotate the crankshaft during inspection.
7. Remove the rod cap and bearing half, and measure the widest part of the plastigage. Connecting Rod Bearing-to-Journal Oil Clearance Standard (New): 0.020-0.050 mm (0.0008-0.0020 in.) Service Limit: 0.060 mm (0.0024 in.)
8. If the plastigage measures too wide or too narrow, remove the upper half of the bearing, install a new, complete bearing with the same 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 that one), and check clearance again. If the proper clearance cannot be obtained by using the appropriate larger or smaller bearing, replace the crankshaft and start over.

Scheme 203

Scheme 204

Scheme 205

1. Inspect each connecting rod for cracks and heat damage. Connecting Rod Big End Bore Code Locations
2. Each rod has a tolerance range from 0 to 0.024 mm (0.0009 in.), in 0.006 mm (0.0002 in.) increments, depending on the size of its big end bore. It's then stamped with a number or bar (1, 2, 3 or 4/I, II, III, or IIII) indicating the range. You may find any combination of numbers and bars in any engine. (Half the number or bar is stamped on the bearing cap, the other half is on the rod.) If you can't 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. Normal Bore Size: 51.0 mm (2.01 in.) Connecting Rod Journal Code Location
3. The connecting rod journal codes are stamped on the crankshaft. Connecting Rod Journal Code Location (Letters or Bars)
4. Use the big end bore codes and rod journal codes to select appropriate replacement bearings from the following table. NOTE: The 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 206

Scheme 207

Scheme 208

Scheme 209

1. If the engine is out of the vehicle, go to step 19 .
2. Drain the engine oil (see «ENGINE OIL REPLACEMENT»(ref-217084-S36635099172006012800000) ).
3. Make sure you have the anti-theft codes for the audio unit (and navigation code if equipped), then write down the audio preset.
4. Disconnect the negative cable from the battery first, then disconnect the positive cable. Remove the battery.
5. Remove the air cleaner assembly (see «AIR CLEANER REMOVAL/INSTALLATION»(ref-217095-S09253022612006012800000) ).
6. Remove the harness clamp. Remove the two bolts, and loosen the two bolts securing the battery base, then remove the battery base (see step 9 on «ENGINE REMOVAL»(/honda/accord/vii-2002-2006/remont/mechanical/#engine-assembly-except-hybrid-v6__engine-removal) ).
7. Remove the clutch slave cylinder, and clutch line bracket mounting bolt (M/T) (see step 21 on «ENGINE REMOVAL»(/honda/accord/vii-2002-2006/remont/mechanical/#engine-assembly-except-hybrid-v6__engine-removal) ).
8. Remove the ground cable, then remove the transmission upper mount/bracket assembly: Manual transmission (see step 48 on «ENGINE REMOVAL»(/honda/accord/vii-2002-2006/remont/mechanical/#engine-assembly-except-hybrid-v6__engine-removal) ) Automatic transmission (see step 49 on «ENGINE REMOVAL»(/honda/accord/vii-2002-2006/remont/mechanical/#engine-assembly-except-hybrid-v6__engine-removal) )
9. Remove the front mount stop, then remove the front mount bolt (see step 50 on «ENGINE REMOVAL»(/honda/accord/vii-2002-2006/remont/mechanical/#engine-assembly-except-hybrid-v6__engine-removal) ).
10. Remove the rear mount stop, then remove the rear mount bolt (see step 52 on «ENGINE REMOVAL»(/honda/accord/vii-2002-2006/remont/mechanical/#engine-assembly-except-hybrid-v6__engine-removal) ).
11. Raise the vehicle on the hoist to full height.
12. Remove the front wheels.
13. Disconnect the stabilizer links (see «STABILIZER LINK REPLACEMENT»(ref-217107-S14957975032006012800000) ).
14. Remove the left side damper fork (see «REMOVAL»(ref-217107-S23294227402006012800000) ).
15. Disconnect the left side suspension lower arm ball joint (see «LOWER ARM REMOVAL/INSTALLATION»(ref-217107-S37292501532006012800000) ).
16. Remove the left side driveshaft (see step 12 on «DRIVESHAFT DISASSEMBLY»(ref-217104-S01013289702006012800000) ). Coat all precision-finished surfaces with clean engine oil. Tie plastic bag over the driveshaft end.
17. Remove the nuts securing the transmission lower front mount and transmission lower rear mount (see step 40 on «ENGINE REMOVAL»(/honda/accord/vii-2002-2006/remont/mechanical/#engine-assembly-except-hybrid-v6__engine-removal) ).
18. Use a transmission jack to lift the transmission 40-55 mm (1.6-2.2 in.).
19. Remove the stiffener.
20. Remove the bolts/nuts securing the oil pan.
21. Drive an oil pan seal cutter between the oil pan and engine block.
22. Cut the oil pan seal by striking the side of the cutter to slide the cutter along the oil pan.
23. Remove the oil pan.

Scheme 210

Scheme 211

Scheme 212

Scheme 213

Scheme 214

Scheme 215

Scheme 216

1. Remove the engine assembly (see «ENGINE REMOVAL»(/honda/accord/vii-2002-2006/remont/mechanical/#engine-assembly-except-hybrid-v6__engine-removal) ).
2. Remove the transmission: Manual transmission (see «TRANSMISSION REMOVAL»(ref-217102-S12468824082006012800000) ) Automatic transmission (see «TRANSMISSION REMOVAL»(ref-217103-S19549117702006012800000) )
3. M/T model: Remove the pressure plate (see «PRESSURE PLATE AND CLUTCH DISC REMOVAL»(ref-217100-S42605000912006012800000) ), clutch disc (see «CLUTCH REPLACEMENT»(ref-217100-S32571143132006012800000) ), and flywheel (see «FLYWHEEL INSPECTION»(ref-217100-S27726862852006012800000) ).
4. A/T model: Remove the drive plate (see «DRIVE PLATE REMOVAL AND INSTALLATION»(ref-217103-S06584682022006012800000) ).
5. Remove the oil pan (see «OIL PAN REMOVAL»(ref-217083-S34873913382006012800000) ).
6. Remove the oil pump (see «OIL PUMP REMOVAL»(ref-217084-S03244861832006012800000) ).
7. Remove the cylinder head (see «CYLINDER HEAD REMOVAL»(ref-217082-S39198415852006012800000) ).
8. Remove the baffle plates.
9. Remove the 8 mm bolts.
10. Remove the bearing cap bolts. To prevent warpage, unscrew the bolts in sequence 1/3 turn at a time: repeat the sequence until all bolts are loosened.
11. Remove the lower block and bearings. Keep all bearings in order.
12. Remove the rod caps/bearings. Keep all caps/ bearings in order.
13. Lift the crankshaft out of the engine, being careful not to damage the journals.
14. Remove the upper bearing halves from the connecting rods, and set them aside with their respective caps.
15. 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 pistons as they are pushed out.
16. Use the wooden handle of a hammer (A) to drive out the pistons (B).
17. To avoid mixup on reassembly, mark each piston/connecting rod assembly with its cylinder number. NOTE: The existing number on the connecting rod does not indicate its position in the engine, it indicates the rod bore size.
18. Reinstall the connecting rod bearings and caps after removing each piston/connecting rod assembly.
19. Reinstall the lower block and bearings on the engine in the proper order.

Scheme 217

Scheme 218

1. Remove the crankshaft from the engine block (see «CRANKSHAFT AND PISTON REMOVAL»(ref-217083-S32297190152006012800000) ).
2. Clean the crankshaft oil passages with pipe cleaners or a suitable brush.
3. Clean the keyway and threads.
4. Measure out-of round at the middle of each rod and main journal in two places. The difference between measurements on each journal must not be more than the service limit. Journal Out-of-Round Standard (New): 0.005 mm (0.0002 in.) max. Service Limit: 0.010 mm (0.0004 in.)
5. Measure taper at the edges of each rod and main journal. The difference between measurements on each journal must not be more than the service limit. Journal Taper Standard (New): 0.005 mm (0.0002 in.) max. Service Limit: 0.010 mm (0.0004 in.) Straightness
6. Place the engine block on the surface plate.
7. Clean and install the bearings on the No. 1 and No. 5 journals of the engine block.
8. Lower the crankshaft into the block.
9. Measure the runout on all of the main journals. Rotate the crankshaft two complete revolutions. The difference between measurements on each journal must not be more than the service limit. Crankshaft Total Runout Standard (New): 0.03 mm (0.0012 in.) max. Service Limit: 0.04 mm (0.0016 in.)

Scheme 219

Scheme 220

Scheme 221

Scheme 222

Scheme 223

1. Remove the crankshaft and pistons (see «CRANKSHAFT AND PISTON REMOVAL»(ref-217083-S32297190152006012800000) ).
2. Check the piston for distortion or cracks.
3. Measure the piston diameter at a point 13 mm (0.5 in.) from the bottom of the skirt. There are two standard-size pistons (No Letter or A, and B). The letter is stamped on the top of the piston. Letters are also stamped on the block as cylinder bore sizes. Piston Diameter Standard (New): No Letter (or A): 86.980-86.990 mm (3.4244-3.4248 in.) B: 86.970-86.980 mm (3.4240-3.4244 in.) Service Limit: No Letter (or A): 86.930 mm (3.4224 in.) B: 86.920 mm (3.4220 in.) Oversize Piston Diameter 0.25: 87.230-87.240 mm (3.4342-3.4346 in.)
4. Measure wear and taper in direction X and Y at three levels in each cylinder (Scheme 220) If measurements in any cylinder are beyond the Oversize Bore Service Limit, replace the block. If the block is to be rebored, refer to step 7 after reboring. Cylinder Bore Size Standard (New): A or I: 87.010-87.020 mm (3.4256-3.4260 in.) B or II: 87.000-87.010 mm (3.4252-3.4256 in.) Service Limit: 87.070 mm (3.4279 in.) Oversize 0.25: 87.250-87.260 mm (3.4350-3.4354 in.) Reboring limit: 0.25 mm (0.01 in.) max. Bore Taper Limit: (Difference between first and third measurement) 0.05 mm (0.002 in.)
5. Scored or scratched cylinder bores must be honed.
6. Check the top of the block for warpage. Measure along the edges and across the center (Scheme 221) Engine Block Warpage Standard (New): 0.07 mm (0.003 in.) max. Service Limit: 0.10 mm (0.004 in.)
7. Calculate the difference between the cylinder bore diameter and the piston diameter. If the clearance is near or exceeds the service limit, inspect the piston and engine block for excessive wear. Piston-to-Cylinder Bore Clearance Standard (New): 0.020-0.040 mm (0.0008-0.0016 in.) Service Limit: 0.05 mm (0.002 in.)

See also:
• ENGINE REMOVAL
• ENGINE INSTALLATION