Engine Block: Removal & Installation Acura MDX II facelift

Crankshaft and Piston Installation

Special Tools Required

1. Driver Handle, 15 x 135L 07749-0010000
2. Oil Seal Driver Attachment, 106 mm 070AD-RCA0200

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1. Check the main bearing clearance with plastigage (see «CRANKSHAFT MAIN BEARING REPLACEMENT»(ref-510471-S20198779222012102300000) ).
2. Check the connecting rod bearing clearance with plastigage (see «CONNECTING ROD BEARING REPLACEMENT»(ref-510471-S22721096842012102300000) ).
3. Install the bearing halves in the engine block and the connecting rods.
4. Apply new engine oil to the inside of the main bearings and the connecting rod bearings.
5. Install the CKP pulse plate to crankshaft (see «CKP PULSE PLATE REPLACEMENT»(ref-510471-S34554901812012102300000) ).
6. Lower the crankshaft (A) into the engine block, being careful not to damage the journals and the CKP pulse plate (B).
7. Apply new engine oil to the side with the thrust washer groove. Install the thrust washers (A) in the No. 3 journal.
8. Install the main bearings (A) and the main bearing caps (B) with the arrow (C) facing the timing belt side of the engine block.
9. Apply new engine oil to the bolt threads and flanges, then loosely install the bearing cap bolts (D) and the bearing cap side bolts (E).
10. Set the crankshaft to bottom dead center (BDC) for the cylinder you are installing the piston in.
11. Apply new engine oil to the piston, the inside of the ring compressor, and the cylinder bore.
12. Attach the ring compressor to the piston/connecting rod assembly, and check that the bearing is securely in place.
13. Position the piston/connecting rod assembly with the arrow (A) facing the timing belt side of the engine block.
14. Position the piston/connecting rod assembly in the cylinder, and tap it in using the wooden handle of a hammer (A). Maintain downward force on the ring compressor (B) to prevent the rings from expanding before entering the cylinder bore.
15. Stop after the ring compressor pops free, and check the connecting rod-to-rod journal alignment before pushing the piston into place.
16. Measure the diameter of each connecting rod bolt at point A and point B.
17. Calculate the difference in diameter between point A and point B. Point A-Point B = Difference in Diameter Difference in Diameter Specification: 0-0.1 mm (0-0.004 in)
18. If the difference in diameter is out of tolerance, replace the connecting rod bolt.
19. Install the connecting rod bearing (A), then line up the mark (B) on the connecting rod (C) and the rod cap (D).
20. Apply new engine oil to the bolt threads and flanges. Torque the bolts (E) to 20 N.m (2.0 kgf.m, 14 lbf.ft).
21. Tighten the connecting rod bolt an additional 90 °. NOTE: Remove the connecting rod bolt if you tightened it beyond the specified angle, and go back to step 16 of the procedure. Do not loosen it back to the specified angle. Repeat steps 10 to 21 for the remaining cylinders.
22. Tighten the main bearing cap bolts, then tighten the main bearing cap side bolts to the specified torque in the sequence as shown. Repeat the torque sequence again to ensure the bolts are properly torqued.
23. Remove all of the old liquid gasket from the engine block end cover mating surfaces, the bolts, and the bolt holes.
24. Clean and dry the engine block end cover mating surfaces and the crankshaft oil seal housing.
25. Apply a light coat of new engine oil to the lip of the crankshaft oil seal.
26. Using the driver handle, 15x135 L and the oil seal driver attachment, 106 mm, drive in the new crankshaft oil seal (A) until the oil seal driver attachment bottoms on the engine block end cover.
27. Apply liquid gasket (P/N 08717-0004, 08718-0003, 08718-0004, or 08718-0009) to the engine block mating surface of the engine block end cover and to the inside edge of the threaded bolt holes. Install the component within 5 minutes of applying the liquid gasket. NOTE: Apply a 2.3 mm (0.091 in) diameter bead of liquid gasket along the broken line (A). If you apply liquid gasket P/N 08718-0012, the component must be installed within 4 minutes. If too much time has passed after applying the liquid gasket, remove the old liquid gasket and residue, then reapply new liquid gasket.
28. Install the dowel pins (A), a new O-ring (B), and the engine block end cover (C) on the engine block. NOTE: Wait at least 30 minutes before filling the engine with oil. Do not run the engine for at least 3 hours after installing the engine block end cover.
29. Clean the excess oil off the crankshaft, and check that the oil seal lip is not distorted.
30. Install a new crankshaft oil seal in the oil pump (see step 3 under «OIL PUMP OVERHAUL»(ref-510433-S05510405482012102300000) ).
31. Remove all of the old liquid gasket from the oil pump mating surfaces, the bolts, and the bolt holes.
32. Clean and dry the oil pump mating surfaces.
33. Apply liquid gasket (P/N 08717-0004, 08718-0003, 08718-0004, or 08718-0009) to the engine block mating surface of the oil pump and to the inside edge of the threaded bolt holes. Install the component within 5 minutes of applying the liquid gasket. NOTE: Apply a 2.3 mm (0.091 in) diameter bead of liquid gasket along the broken line (A). If you apply liquid gasket P/N 08718-0012, the component must be installed within 4 minutes. If too much time has passed after applying the liquid gasket, remove the old liquid gasket and residue, then reapply the new liquid gasket.
34. Apply a light coat of new engine oil to the lip of the crankshaft oil seal, and to the new O-ring (A).
35. Install the dowel pins (B), then align the inner rotor with the crankshaft, and install the oil pump (C). NOTE: Wait at least 30 minutes before filling the engine with oil. Do not run the engine for at least 3 hours after installing the oil pump.
36. Clean the excess oil off the crankshaft, and check that the oil seal lip is not distorted.
37. Install the baffle plate (D), then install the oil strainer (E) with a new O-ring (F).
38. Install the rocker arm oil control solenoid/oil filter assembly (A), with a new rocker arm oil control solenoid filter (B).
39. Install the oil pan (see «OIL PAN INSTALLATION»(ref-510471-S37868989052012102300000) ).
40. Install the timing belt drive pulley to the crankshaft (see «TIMING BELT ADJUSTER REPLACEMENT»(ref-510448-S16921040872012102300000) ).
41. Install the cylinder heads (see «CYLINDER HEAD INSTALLATION»(ref-510448-S19031331742012102300000) ).
42. Install the drive plate (see «DRIVE PLATE REMOVAL AND INSTALLATION»(ref-510439-S30326495902012102300000) ).
43. Install the transmission (see «DRIVE PLATE REMOVAL AND INSTALLATION»(ref-510439-S30326495902012102300000) ).
44. Install the engine/transmission (see «ENGINE INSTALLATION»(ref-510463-S37880290932012102300000) ).

Note. When any crankshaft or connecting rod bearing is replaced, run the engine at idle until it reaches normal operating temperature, then continue to run it for about 15 minutes.

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1. Remove the crankshaft from the engine block (see «CRANKSHAFT AND PISTON REMOVAL»(ref-510471-S21413533192012102300000) ).
2. Remove the CKP pulse plate (A) from the crankshaft. NOTE: Be careful not to damage the journals and the CKP pulse plate.
3. Install the CKP pulse plate in the reverse order of removal.

Note. When installing the crankshaft, refer to the crankshaft and piston installation procedure (see CRANKSHAFT AND PISTON INSTALLATION ).

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1. Remove all of the old liquid gasket from the oil pan mating surfaces, the bolts, and the bolt holes.
2. Clean and dry the oil pan mating surfaces.
3. Apply liquid gasket (P/N 08717-0004, 08718-0003, 08718-0004, or 08718-0009) to the oil pan mating surface of the engine block and to the inside edge of the threaded bolt holes. Install the component within 5 minutes of applying the liquid gasket. NOTE: Apply a 2.3 mm (0.091 in) diameter bead of liquid gasket along the broken line (A). If you apply liquid gasket P/N 08718-0012, the component must be installed within 4 minutes. If too much time has passed after applying the liquid gasket, remove the old liquid gasket and residue, then reapply new liquid gasket.
4. Install the oil pan on the engine block.
5. Tighten the bolts in three steps. In the final step, torque the bolts, in sequence, to 12 N.m (1.2 kgf.m, 8.8 lbf.ft). NOTE: Wait at least 30 minutes before filling the engine with oil. Do not run the engine for at least 3 hours after installing the oil pan.
6. Tighten the four bolts (A) securing the transmission, then install the torque converter cover (B).
7. Connect the CKP sensor connector (A), then install the CKP sensor cover (B) and the bolt (C).
8. Install the rear warm up TWC bracket.
9. If the engine is still in the vehicle, do the following steps.
10. Install exhaust pipe A using new gaskets and new self-locking nuts (see step 29 under «ENGINE INSTALLATION»(ref-510463-S37880290932012102300000) ).
11. Install the splash shield (see «SPLASH SHIELD REPLACEMENT»(ref-510458-S02765418422012102300000) ) and the front undercover (see «FRONT UNDERCOVER REPLACEMENT»(ref-510458-S39595599002012102300000) ).
12. Refill the engine with engine oil (see step 4 under «ENGINE OIL REPLACEMENT»(ref-510433-S06802381302012102300000) ).

Pulley End Crankshaft Oil Seal Installation - In Car

Special Tools Required

Oil Seal Driver, 64 mm 07OAD-RCAA100

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1. Remove the timing belt drive pulley (see «TIMING BELT ADJUSTER REPLACEMENT»(ref-510448-S16921040872012102300000) ).
2. Remove the pulley end crankshaft oil seal.
3. Clean and dry the crankshaft oil seal housing.
4. Apply a light coat of new engine oil to the lip of the crankshaft oil seal.
5. Using the oil seal driver, 64 mm, drive in the new crankshaft oil seal (A) until the oil seal driver bottoms on the oil pump.
6. Clean the excess oil off the crankshaft, and check that the oil seal lip is not distorted.
7. Install the timing belt drive pulley (see «TIMING BELT ADJUSTER REPLACEMENT»(ref-510448-S16921040872012102300000) ).

Transmission End Crankshaft Oil Seal Installation - In Car

Special Tools Required

1. Driver Handle, 15 x 135L 07749-0010000
2. Oil Seal Driver Attachment, 106 mm 070AD-RCA0200

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1. Remove the transmission (see «TRANSMISSION REMOVAL»(ref-510439-S00620548382012102300000) ) and the drive plate (see «DRIVE PLATE REMOVAL AND INSTALLATION»(ref-510439-S30326495902012102300000) ).
2. Remove the transmission end crankshaft oil seal.
3. Clean and dry the crankshaft oil seal housing.
4. Apply a light coat of new engine oil to the lip of the crankshaft oil seal.
5. Using the driver handle, 15x135 L, and the oil seal driver attachment, 106 mm, drive in the new crankshaft oil seal (A) until the oil seal driver attachment bottoms on the engine block end cover. Align the hole in the oil seal driver attachment with the pin on the crankshaft.
6. Clean the excess oil off the crankshaft, and check that the oil seal lip is not distorted.
7. Install the drive plate (see «DRIVE PLATE REMOVAL AND INSTALLATION»(ref-510439-S30326495902012102300000) ), and the transmission (see «DRIVE PLATE REMOVAL AND INSTALLATION»(ref-510439-S30326495902012102300000) ).

Sealing Bolt Installation

Note. When installing the sealing bolts (A), always use a new washer (B).

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