2006 ACURA CSX light



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Special Tools Required
Oil Seal Installed Height:
33.0 33.7 mm (1.30 1.33 in.)
6-31
Chain Case Oil Seal Installation
07749-0010000
07746-0010400 33.0 33.7 mm
(1.30 1.33 in.)
A
B
 Driver 07749-0010000
 Attachment, 52 x 55 mm 07746-0010400 1. Apply light coat of new engine oil around the chain case oil seal.
2. Apply light coat of new engine oil to the lip of the chain case oil seal.
3. Use the driver and the attachment, 52 x 55 mm to drive a new oil seal squarely into the chain case to
the specified installed height. 4. Measure the distance between the chain case
surface (A) and the oil seal (B).
08/08/21 14:27:23 61SNR030_060_0031
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6-37
Cylinder Head Cover Installation
A
B C
B
A
1. Thoroughly clean the head cover gasket and the groove.
2. Install the head cover gasket (A) in the groove of the cylinder head cover (B).
3. Check that the mating surfaces are clean and dry.
4. Apply liquid gasket, P/N 08717-0004, 08718-0001, 08718-0003, or 08718-0009, evenly to the chain
case and the No. 5 rocker shaft holder mating areas.
Install the component within 5 minutes of applying
the liquid gasket.
NOTE: 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. 5. Set the spark plug seals (A) on the spark plug tubes.
Place the cylinder head cover (B) on the cylinder
head, then slide the cover slightly back and forth to
seat the head cover gasket.
6. Inspect the cover washers (C). Replace any washer that is damaged or deteriorated.
7. Tighten the bolts in three steps. In the final step tighten all bolts, in sequence, to 12 N·m (1.2 kgf·m,
8.7 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 head cover.
(cont’d)
Apply liquid gasket
to these points.
Apply liquid gasket
to these points.
08/08/21 14:27:26 61SNR030_060_0037
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Special Tools Required
6-54
Cylinder Head
Valve, Spring, and Valve Seal Removal
B
A
07757-PJ1010A A
Valve spring compressor attachment 07757-PJ1010A
Identify the valves and the valve springs as they are
removed so that each item can be reinstalled in its
original position.
1. Remove the cylinder head (see page 6-38).
2. Remove the rocker arm assembly:
 K20Z2 engine (see page 6-43)
 K20Z3 engine (see page 6-44)
3. Using an appropriate-sized socket (A) and plastic mallet (B), lightly tap the spring retainer to loosen
the valve cotters.
4. Install the valve spring compressor attachment and the valve spring compressor. Compress the valve
spring, and remove the valve cotters.
5. Remove the valve spring compressor, the valve spring compressor attachment, the spring retainer,
the valve spring and the valve. 6. Install the valve guide seal remover (A).
7. Remove the valve seal.
8. Remove the valve spring seat.
08/08/21 14:28:20 61SNR030_060_0054
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Valve Seat Width
Standard (New): 1.25 1.55 mm (0.049 0.061 in.)
Service Limit: 2.00 mm (0.079 in.)
6-58 Cylinder Head
Valve Seat Reconditioning
45 °
INTAKE: 35 °
EXHAUST: 30 °
67.5 ° A
B
1. Inspect the valve stem-to-guide clearance
(see page 6-55). If the valve guides are worn,
replace them (see page 6-56) before cutting the
valve seats.
2. Renew the valve seats in the cylinder head using a valve seat cutter.
3. Carefully cut a 45 ° seat, removing only enough material to ensure a smooth and concentric seat.
4. Bevel the upper and lower edges at the angles
shown in the illustration.
Check the width of the seat and adjust accordingly. 5. Make one more very light pass with the 45 ° cutter
to remove any possible burrs caused by the other
cutters.
6. After resurfacing the seat, inspect for even valve seating. Apply Prussian Blue compound (A) to the
valve face. Insert the valve in its original location in
the head, then lift it and snap it closed against the
seat several times.
7. The actual valve seating surface (B), as shown by the blue compound, should be centered on the seat.
 If it is too high (closer to the valve stem), you must make a second cut with the 67.5 ° cutter to
move it down, then one more cut with the 45 °
cutter to restore seat width.
 If it is too low (close to the valve edge), you must make a second cut with the 35 ° cutter (intake
side) or the 30 ° cutter (exhaust side) to move it
up, then make one more cut with the 45 ° cutter
to restore seat width.
NOTE: The final cut should always be made with
the 45 ° cutter.
08/08/21 14:28:22 61SNR030_060_0058
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K20Z2 engine
6-606-60 Cylinder Head
Valve, Spring, and Valve Seal
Installation (cont’d)
Rocker Arm Assembly Installation
07757-PJ1010A
A
A A
B
5. Install the valve spring and the spring retainer.Place the end of the valve spring with the closely
wound coils toward the cylinder head.
6. Install the valve spring compressor attachment and the valve spring compressor. Compress the valve
spring, and install the valve cotters.
7. Remove the valve spring compressor and the valve spring compressor attachment.
8. Lightly tap the end of each valve stem two or three times with a plastic mallet (A) to ensure proper
seating of the valve and valve keepers. Tap the
valve stem only along its axis so you do not bend
the stem. 1. Reassemble the rocker arm assembly (see page
6-46).
2. Clean and dry the No. 5 rocker shaft holder mating surface.
3. Apply liquid gasket, P/N 08717-0004, 08718-0001, 08718-0003, or 08718-0009, evenly to the cylinder
head mating surface of the No. 5 rocker shaft
holder. Install the component within 5 minutes of
applying the liquid gasket.
NOTE: If you apply liquid gasket P/N 08718-0012, the component must be install 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. Insert the bolts (A) into the rocker shaft holder, then install the rocker arm assembly (B) on the cylinder
head.
Apply liquid gasket
along the broken line.
08/08/21 14:28:24 61SNR030_060_0060
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K20Z2 engine
6-606-60 Cylinder Head
Valve, Spring, and Valve Seal
Installation (cont’d)
Rocker Arm Assembly Installation
07757-PJ1010A
A
A A
B
5. Install the valve spring and the spring retainer.Place the end of the valve spring with the closely
wound coils toward the cylinder head.
6. Install the valve spring compressor attachment and the valve spring compressor. Compress the valve
spring, and install the valve cotters.
7. Remove the valve spring compressor and the valve spring compressor attachment.
8. Lightly tap the end of each valve stem two or three times with a plastic mallet (A) to ensure proper
seating of the valve and valve keepers. Tap the
valve stem only along its axis so you do not bend
the stem. 1. Reassemble the rocker arm assembly (see page
6-46).
2. Clean and dry the No. 5 rocker shaft holder mating surface.
3. Apply liquid gasket, P/N 08717-0004, 08718-0001, 08718-0003, or 08718-0009, evenly to the cylinder
head mating surface of the No. 5 rocker shaft
holder. Install the component within 5 minutes of
applying the liquid gasket.
NOTE: If you apply liquid gasket P/N 08718-0012, the component must be install 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. Insert the bolts (A) into the rocker shaft holder, then install the rocker arm assembly (B) on the cylinder
head.
Apply liquid gasket
along the broken line.
08/08/21 14:28:24 61SNR030_060_0060
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Disassembly
7-187-18 Engine Block
Cylinder Bore Honing
Piston, Pin, and Connecting Rod
Replacement
A
60 ° A
B
A
Only a scored or scratched cylinder bore must be honed. 1. Measure the cylinder bores (see page 7-16). If the engine block is to be reused, hone the
cylinders, and remeasure the bores.
2. K20Z3 engine: Remove the oil jets (see page 8-13).
3. Hone the cylinder bores with honing oil and a fine (400 grit) stone in a 60 degree cross-hatch pattern
(A). Use only a rigid hone with 400 grit or finer
stone such as Sunnen, Ammco, or equivalent. Do
not use stones that are worn or broken.
4. When honing is complete, thoroughly clean the engine block of all metal particles. Wash the
cylinder bores with hot soapy water, then dry and
oil them immediately to prevent rusting. Never use
solvent, it will only redistribute the grit on the
cylinder walls.
5. If scoring or scratches are still present in the cylinder bores after honing the engine block to the
service limit, rebore the engine block. Some light
vertical scoring and scratching is acceptable if it is
not deep enough to catch your fingernail, and does
not run the full length of the bore.
6. K20Z3 engine: Install the oil jets (see page 8-13). 1. Remove the piston from the engine block (see page
7-13).
2. Apply new engine oil to the piston pin snap rings (A), and turn them in the ring grooves until the end
gaps are lined up with the cutouts in the piston pin
bores (B).
NOTE: Take care not to damage the ring grooves.
3. Remove both snap rings (A). Start at the cutout in the piston pin bore. Remove the snap rings
carefully so they do not go flying or get lost. Wear
eye protection.
08/08/21 14:32:38 61SNR030_070_0018
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7-27
56 °
07ZAD-PNAA10007749-0010000
17. Install the main bearings, then put the lower block
on the engine block.
18. Apply new engine oil to the threads of the bearing cap bolts.
19. Tighten the bearing cap bolts, in sequence, to 29 N·m (3.0 kgf·m, 22 lbf·ft).
20. Tighten the bearing cap bolts an additional 56 °. 21. Tighten the 8 mm bolts, in sequence, to 22 N·m
(2.2 kgf·m, 16 lbf·ft).
22. Apply a light coat of new engine oil around the crankshaft oil seal.
23. Apply a light coat of new engine oil to the crankshaft and the lip of the crankshaft oil seal.
24. Use the driver and the oil seal driver attachment 96 to drive a new oil seal squarely into the engine
block to the specified installed height.
(cont’d)
08/08/21 14:33:10 61SNR030_070_0027
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