2010 ASTON MARTIN V8 VANTAGE torque

Engine Sealing (03.10)
Engine (03.00)
Issue 5, Janauary 2010 Workshop Manual 3-10-9
8. Install the right exhaust camshaft.
9. Install the five bearing caps in their correct positions.
10. Install the ten bolts and torque tighten them in the sequence specified.
11. Install the Torx bolt that attaches the sprocket to the camshaft.
12. Rotate the camshaft and use feeler gauges to do a check of each valve clearance .
13. Do the procedure again an d install the right intake
camshaft.
14. Remove the Torx bolt that attaches the sprocket.
15. Rotate the right intake and exhaust camshafts until the timing flats on each camshaft face up.
16. Install tool (303-530) onto the right cylinder head to hold the camshafts. Install and tighten the three bolts.
17. Install a new left cylinder he ad gasket. Make sure that it
is correctly engaged on the dowels.
18. With the aid of one more person, install the left cylinder head. Make sure that it is correctly engaged on the
dowels.
19. Install and torque the 12 cylinder head bolts in the correct sequence.
20. Lubricate the left exhaust camshaft journals, camshaft lobes, bearing surfaces on the cylinder head and the
bearing caps with clean engine oil.
21. Install left exhaust camshaft.
22. Install the five bearing caps in their correct positions.
23. Install the ten bolts and torque in the sequence specified.
24. Install the Torx bolt that attaches the sprocket to the left exhaust camshaft.
25. Rotate the left exhaust cam shaft as necessary and use
feeler guages to do a check of each valve clearance.
26. Remove the Torx bolt that attaches the sprocket.
27. Install the left intake camshaft (refer to Workshop Manual procedure 03.09.AV Camshaft - Intake - LH -
Renew).
28. Install the timing chain tensioning tool (303-532) into the right exhaust camshaft sprocket.
29. Apply a force to the tool (303-532) in a counterclockwise direction to hold the sprocket and
torque the right sprocket Torx bolts.
30. Remove the special tool.
31. Connect the electrical conne ctors to the left and right
camshaft timing sensors.
32. Connect the electrical connector to each of the two left and two right knock sensors. 33. Install SAI pump and bracket assembly (refer to
Workshop Manual procedure 03.08.DB Pump and
Bracket Assembly - Secondary Air Injection - Renew).
34. Clean the left exhaust manifold.
35. Install a new gasket for the left exhaust manifold .
36. Install the left exhaust manifold.
37. Install and torque tighten the eight nuts.
38. Install the left front wheel arch liner (refer to Workshop
Manual procedure 01.02.FB Wheel Arch Liner - Front -
LH - Renew).
39. Install the right exhaust manifold (refer to Workshop Manual procedure 09.00.CC Gasket - Exhaust Manifold
- right - Renew).
Right Side Cam Cover - Remove and
Install
Removal
1. Disconnect the battery earth cable.
2. Remove the front crush brace. (Refer to procedure
01.01.LC - Front Crush Brace)
3. Remove the right side fr ont crush bar for the body
reinforcement. (Refer to procedure 01.01.AB - Right
Side Front Crush Bar for the Body Reinforcement)
4. Remove the breather pipe from the cam cover.
5. Install applicable caps to seal the open ports.
6. Remove the ignition coil cover.
7. Disconnect the electrical connector from each of the four ignition coils.
8. Disconnect the electrical connector from the Variable Valve Timing (VVT) solenoid.
9. Release the fir tree clip that attaches the wiring harness for the ignition coils.
10. Move the wiring harness for the ignition coils away.
11. Release the wiring harness for the injectors from the mounts.
12. Cut and remove the three cable ties that attach the rear of the wiring harness for the injectors.
13. Remove the screw that attaches the purge pipe P-clip to the cam cover.
14. Move the purge-pipe P-clip away.
15. Release the purge pipe and heater pipe from the two clips on the wiring harness bracket.
16. Remove the two nuts and two screws that attach the front bracket for the wiring harness.
17. Remove the three screws that attach the rear bracket for
the wiring harness.
18. Remove the rear bracket for the wiring harness.
19. Remove the front bracket for the wiring harness.
WA R N I N G
DO NOT GET USED ENGINE OIL ON YOUR SKIN. USED ENGINE OIL CAN BE HARMFUL.
Caution
Gradually tighten one bolt and then the next to correctly
install the camshaft bearing ca ps in the step that follows.
Repair Operation Time (ROT)

Engine Sealing (03.10)
Engine (03.00)3-10-10 Workshop Manual Issue 5, Janauary 2010
20. Remove the four screws that attach each ignition coil.
21. Remove the four ignition coils.
22. Remove the 14 screws that attach the cam cover to the engine.
23. Remove and discard the seals for the 14 cam cover screws.
24. Remove the cam cover.
25. Remove and discard the O-ring seal for the VVT solenoid.
26. Remove and discard the cam cover gasket.
27. Remove and discard the four O-ring seals from the spark plug wells.
28. Clean the component mating faces.
Install
1. Install four new O-ring seals in the spark plug wells.
2. Install a new O-ring seal for the VVT solenoid.
3. Install a new cam cover gasket.
4. Apply a 12 mm by 3 mm bead of sealant to the tri-joints shown.
Figure C03-10-101
5. Install the cam cover.
6. Install new seals for the 14 cam cover screws. 7. Install and torque the 14 screws that attach the cam
cover to the engine in the sequence shown to 10 Nm.
8. Install the four ignition coils.
9. Install and torque the screw that attaches each of the four ignition coils to 5 Nm.
10. Install the front bracket for the wiring harness.
11. Install the rear bracket for the wiring harness.
12. Install and torque the three screws that attach the rear bracket for the wiring harness to 11 Nm.
13. Install and tighten the two nuts and three screws that attach the front bracket for the wiring harness.
14. Install the purge pipe and he ater pipe into the two clips
on the wiring harness bracket.
15. Put the purge pipe P-clip into the correct position.
16. Install and tighten the screw that attaches the purge pipe P-clip to the cam cover.
17. Use three applicable cable ties to attach the rear of the wiring harness to the front bracket.
18. Install the wiring harness for the injectors into the mounts.
19. Install the fir tree clip that attaches the wiring harness for the ignition coils.
20. Connect the electrical conne ctors to each of the four
ignition coils.
21. Connect the electrical connector to the VVT solenoid.
22. Install the ignition coil cover.
23. Remove and discard the caps from the breather pipes.
24. Install the breather pipes to the cam cover.
25. Install the right side front crush bar for the body reinforcement. (0101AB - Righ t Side Front Crush Bar for
the Body Reinforcement)
26. Install the front crush brace. (0101LC - Front Crush Brace)
Note: When you remo ve the cam cover
attachment screws in th e step that follows,
record their installed positions in the cam
cover.
CAUTION
Tighten the screws gradually and equally in the step
that follows. If you do not, the cam cover gasket can be
damaged.
C03-10-101
Repair Operation Time (ROT)
ItemCode
Cam Cover - Vehicle Set - Remove
and Install 03.10.AW

Engine Sealing (03.10)
Engine (03.00)
Issue 5, Janauary 2010 Workshop Manual 3-10-13
38. Remove the four Torx bolts that attach the PAS pump mounting bracket to the cylinder block. Remove the
bracket (refer to Figure 9).
Figure 9
39. Remove the 27 bolts that attach the timing cover to the engine. Collect the bracet for the oil separator drain
tube. Remove the timing cover.
40. Remove the outer and inner rubber seals from the timing cover (refer to Figure0).
Figure0
41. Remove the front crankshaft oil seal from timing cover.
Installation
1. Clean the timing cover and mating face on engine.
2. Install the inner and outer seals into timing cover.
3. Apply 3mm x 12mm beads of sealant to the eight joints
on the engine.
4. Install the timing cover. Put the oil separator drain tube bracket in position. Install the 27 bolts and torque the
bolts in the specified sequence. 5. Using tool (303-750), instal
l front crankshaft oil seal.
Remove special tool and seal protector.
6. Clean crankshaft pulley and mating face on crankshaft.
7. Lubricate and install new O-ring seal in crankshaft pulley.
8. Install crankshaft pulley, locking ring and new pulley bolt.
9. Torque tighten crankshaft pulley bolt. Remove special tool (303-1185) from crankcase.
10. Install inspection cover to lower crankcase, install and tighten bolts (x2).
11. Install PAS pump mounting bracket, install and torque tighten Torx bolts (x4).
12. Install PAS pump, install and torque tighten bolts (x3).
13. Install alternator mounting bracket, install and torque tighten Torx bolts (x3).
14. Install alternator, install bolt and nut/bolt and torque tighten
15. Connect battery cable, install and torque tighten nut, secure cover. Connect multiplug.
16. Lubricate seal, install new oil filter.
17. Install oil separator drai n tube clip in bracket.
18. Install oil separator drain tube to timing cover.
19. Install A/C compressor idler pulley, torque tighten bolt.
20. Install alternator idler pulley, torque tighten bolt.
21. Install auxiliary drive belt te nsioner, torque tighten bolt.
22. Install water pump pulley, install bolts (x3).
23. Using a suitable socket ba r, release auxiliary drive belt
tensioner, install drive belt.
24. Torque tighten water pump pulley bolts (x3).
25. Clean coolant manifold and mating faces on cylinder heads.
26. Install new O-ring seals (x2) to coolant manifold.
27. Position coolant manifold, connect temperature sensor
multiplug, install coolant pipe in manifold.
28. Install and torque tighten Torx bolts (x4) that attach the coolant manifold to cylinder heads.
29. Connect coolant hoses (x3) to coolant manifold and
secure clips.
30. Connect engine breather to oil separator.
31. Clean left and right cam covers.
32. Install the right cam cover (Refer to ’Right Side Cam Cover - Remove and Install’, page 3-10-9).
33. Install left cam cover (Refer to ’Left Side Cam Cover -
Remove and Install’, page 3-10-4).
34. Install the engine assembly (refer to Workshop Manual procedure 03.00.AA Engine Assembly - Renew).
Caution
Make sure the cranks haft front oil seal mating faces are
clean and dry.
Caution
Do not remove the crankshaft front oil seal protector
until the oil seal is correctly installed.
If you do, the oil seal can be damaged.
A0310243
A0310245
Caution
The bolt thread in the cran kshaft must be cleaned out
before a new crankshaft pulley retaining bolt is installed.
Note: Check the crankshaft pulley and locking ring for damage.

Power Conversion (03.11)
Engine (03.00)
May 2007 Workshop Manual 3-11-1
Engine (03.00)
Power Conversion (03.11)
Maintenance
Connecting Rod Bearing-Renew (Engine
Set)
Removal
1. Remove engine oil sump (see Workshop Manual
procedure 03.02.BN Pan - Oil Sump - Remove and Re-
seal).
2. Remove spark plugs (see Workshop Manual procedure 03.07.DB Spark Plugs - Engine Set - Renew).
3. Remove bolts (x8) securing windage tray to engine bedplate, remove windage tray.
4. Mark bearing caps and connecting rods for correct installation.
5. Rotate crankshaft clockwise to access number 1 cylinder connecting rod bolts.
6. Remove bolts securing bearing cap to connecting rod, remove bearing cap (see Figure 1).
Figure 1
7. Install special tools (303-535) to the connecting rod to prevent damage to crankshaft journal.
8. Move connecting rod upwards, remove bearing shell.
9. Record colour code on bearing shell edge. 10. Remove and discard bearing shell from cap.
11. Record colour code on bearing shell edge, discard
bearing shell.
12. Wipe crankshaft journal, connecting rod and bearing cap using a lint free cloth.
13. Inspect crankshaft journal for damage.
14. Check crankshaft journal for ovality using a micrometer and record journal diameters.
Installation
1. Select the correct colour coded bearing shells for each connecting rod crankshaft journal.
2. Install new selective bearing shell in connecting rod.
3. Lubricate crankshaft journal with clean engine oil.
4. Install connecting rod on crankshaft journal.
5. Remove special tools (303-535) from connecting rod.
6. Install new selective bearing shell in bearing cap.
7. Install bearing cap and new bolts (x2), torque tighten bearing cap bolts.
8. Repeat procedure for remaining connecting rod bearings.
9. Install windage tray to engine bedplate, install and torque tighten bolts (x8).
10. Install spark plugs (see Workshop Manual procedure 03.07.DB Spark Plugs - Engine Set - Renew).
11. Install engine oil sump (see Workshop Manual
procedure 03.02.BN Pan - Oil Sump - Remove and re-
seal).
Crankshaft Main Bearing-Renew (Engine
Set)
Removal
1. Remove bolts (x2), inspection cover to lower crankcase, remove cover.
2. Install tool (303-1185) to restrain flywheel, install and tighten bolts (x2).
3. Remove bolts (x6), clutch cover to flywheel.
4. Release clutch cover from dowels (x3), remove clutch cover, collect drive plate.
5. Remove and discard bolts (x8), flywheel to crankshaft flange.
6. Remove bolts (x2), collect tool (303-1185).
Repair Operation Time (ROT)
WA R N I N G
DO NOT GET USED ENGINE OIL ON YOUR SKIN. USED ENGINE OIL CAN BE HARMFUL.
Caution
Pistons, connecting rods an d connecting rod bearings
should be numbered to make sure they are reassembled
in the same position.
Caution
Connecting rod bolts are tor qu
e tightened to yield and
mu st be replaced.
A0311314
Note: Connecting rod bearings ar e a selective fit by colour
code on edge of bearing shell.
Caution
When assembling connecting rods and connecting rod
bearing caps it is imperative that bearing slots and tangs
be located on the same side of the connecting rods.
Repair Operation Time (ROT)

Power Conversion (03.11)
Engine (03.00)3-11-4 Workshop Manual May 2007
10. Install crankshaft retaining caps (303-534), install and
lightly tighten bolts (x10) (see Figure 8).
Figure 8
11. Install connecting rod bearing caps (x8), install and torque tighten retaining bolts.
12. Remove bolts securing crankshaft retaining caps (303- 534), remove retaining caps (see Figure 9).
Figure 9
13. Apply a 2mm diameter continuous bead of sealant to cylinder block flange ensuring that there are no gaps in
the sealant.
14. Install engine bedplate to cylinder block, install and torque tighten bolts (x34) in the correct sequence.
15. Remove excess sealant from crankshaft rear oil seal
aperture and front face of cylinder block.
16. Clean windage tray.
17. Install windage tray, install and torque tighten bolts (x8). 18. Ensure that oil seal protector is positioned correctly and
install oil seal onto crankshaft flange.
19. Install tool (303-1189) to crankshaft, position nuts on tool against oil seal.
20. Ensure that oil seal and special are parallel to rear of engine.
21. To install oil seal, tighten nuts alternately on tool (303- 1189) until oil seal correctly seated.
22. Remove special tool from crankshaft.
23. Check that the oil se al is located correctly.
24. Clean flywheel and mating face on crankshaft.
25. Install flywheel, align to dowel on crankshaft flange.
26. Install new bolts (x8), install tool (303-1185) to restrain flywheel. Torque tighten bolts (x8) in the correct
sequence.
27. Clean clutch cover and drive plate.
28. Install clutch assembly on flywheel, align to dowels (x3).
29. Install bolts (x6), install clutch alignment tool, evenly torque tighten bolts (x6) in a diagonal sequence.
Remove clutch alignment tool.
30. Remove bolts (x2), collect tool (303-1185).
31. Install inspection cover, install and torque tighten bolts (x2).
32. Install engine sump (see Workshop Manual procedure 03.02.CN Pan - Oil Sump - Remove and Reseal With
Engine Removed).
Crankshaft Assembly-Renew
Removal
1. Remove bolts (x2), inspection cover to lower crankcase, remove cover.
2. Install tool (303-1185) to restrain flywheel, install and tighten bolts (x2).
3. Remove bolts (x6), clutch cover to flywheel.
4. Release clutch cover from dowels (x3), remove clutch cover, collect drive plate.
5. Remove and discard bolts (x8), flywheel to crankshaft flange.
6. Remove bolts (x2), collect tool (303-1185).
7. Release flywheel from dowel, remove flywheel.
8 . R e m o v e e n g i n e s u mp ( s e e Wo r k s h o p M a n u a l p ro c e d u re 03.02.CN Pan - Oil Sump - Remove and Reseal With
Engine Removed).
Caution
Do not lubricate engine bedplate retaining bolts.
Caution
Tighten engine bedplate retaining bolts in the sequence shown.
Caution
Do not rotate crankshaft until all engine bedplate
retaining bolts are tightened to specification.
Caution
Engine bedplate retaining bolts must be tightened
within twenty minutes of applying sealant.
A0311328
A0311328
Caution
Do not use any lubricant on cr ankshaft oil seals or seal
protectors. Make sure all co mponents are clean and dry.
Repair Operation Time (ROT)
ItemCode
Crankshaft Assembly-Renew 03.11.CF
WAR NI NG
DO NOT GET USED ENGINE OIL ON YOUR SKIN.
USED ENGINE OIL CAN BE HARMFUL.

Power Conversion (03.11)
Engine (03.00)3-11-6 Workshop Manual May 2007
24. Remove main bearing shells (grooved) from cylinder
block (see Figure 5).
Figure 5
25. Remove main bearing shells (plain) from engine bedplate (see Figure 6).
Figure 6
Installation
1. Clean crankshaft main bearing and connecting rod journals.
2. Clean bearing recess in cylinder block.
3. Clean old sealant from engine bedplate and bearing recesses.
4. Clean bearing shell locations in connecting rods and caps.
5. Select the correct colour coded bearing shells for each connecting rod crankshaft journal.
6. Select the correct colour coded bearing shells for each main bearing journal. 7. Install selected main bearing
shells in cylinder block and
engine bedplate.
8. Install thrust washers in cylinder block.
9. Install selected bearing shells in connecting rods and bearing caps.
10. Lubricate crankshaft journa ls with clean engine oil.
11. Position connecting rods and carefully lower crankshaft into cylinder block.
12. Install crankshaft retaining caps (303-534), install and lightly tighten bolts (x10).
13. Carefully pull each connecting rod into place on crankshaft journals.
14. Install connecting rod bearing caps (x8), install and torque tighten retaining bolts.
15. Remove bolts securing cran kshaft retaining caps (303-
534), remove retaining caps.
16. Apply a 2mm diameter continuous bead of sealant to cylinder block flange ensuring that there are no gaps in
the sealant.
17. Install engine bedplate to cylinder block, install and torque tighten bolts (x34) in the correct sequence.
18. Remove excess sealant from crankshaft rear oil seal aperture and front face of cylinder block.
19. Clean windage tray.
20. Install windage tray, install and torque tighten bolts (x8).
21. Ensure that oil seal protector is positioned correctly and install oil seal onto crankshaft flange.
22. Install tool (303-1189) to crankshaft, position nuts on tool against oil seal.
23. Ensure that oil seal and special are parallel to rear of engine.
24. To install oil seal, tighten nuts alternately on tool (303- 1189) until oil seal correctly seated.
25. Remove special tool from crankshaft.
26. Check that the oil se al is located correctly.
Note: Main bearing shells are
selective by colour code with
plain bearings in bedplate and grooved bearings in cylinder
block
Caution
Use only a plastic scraper when removing old sealant and gaskets from engine components.
A0311334
A0311335
Caution
When assembling connecting rods and connecting rod
bearing caps it is imperative that bearing slots and tangs
be located on the same side of the connecting rods.
Caution
Do not lubricate engine bedplate retaining bolts.
Caution
Tighten engine bedplate retaining bolts in the sequence shown.
Caution
Do not rotate crankshaft until all engine bedplate
retaining bolts are tightened to specification.
Caution
Engine bedplate retaining bolts must be tightened within twenty minutes of applying sealant.
Caution
Do not use any lubricant on cr ankshaft oil seals or seal
protectors. Make sure all co mponents are clean and dry.

Power Conversion (03.11)
Engine (03.00)
May 2007 Workshop Manual 3-11-7
27. Clean flywheel and mating face on crankshaft.
28. Install flywheel, align to dowel on crankshaft flange.
29. Install new bolts (x8), install tool (303-1185) to restrain
flywheel. Torque tighten bolts (x8) in the correct
sequence.
30. Clean clutch cover and drive plate.
31. Install clutch assembly on fl ywheel, align to dowels (x3).
32. Install bolts (x6), install clutch alignment tool, evenly torque tighten bolts (x6) in a diagonal sequence.
Remove clutch alignment tool.
33. Remove bolts (x2), collect tool (303-1185).
34. Install inspection cover, install and torque tighten bolts (x2).
35. Install engine sump (see Workshop Manual procedure 03.02.CN Pan - Oil Sump - Remove and Reseal With
Engine Removed).
Piston-Renew (Engine Set)
Removal
1. Remove cylinder head gaskets - engine set (see Workshop Manual procedure 03.01.HW Gasket -
Cylinder Head - Engine Set - Renew With Engine
Removed).
2. Remove crankshaft timing sprocket from crankshaft.
3. Install guide pin through lower hole on chain tensioner.
4. Remove bolt securing oil pr essure pump chain tensioner
assembly to engine bedplate (see Figure 1).
Figure 1
5. Remove tensioner assembly (see Figure 2). 6. Remove bolts (x3) securing oil pressure pump to sump
(see Figure 3).
Figure 3
7. Release chain from oil pressure pump sprocket, remove oil pump.
8. Remove and discard oil pressure pump gasket.
9. Remove bolts (x3) securing oil scavenge pump to sump
(see Figure 4).
Figure 4
10. Release chain from oil scavenge pump sprocket, remove scavenge pump.
Repair Operation Time (ROT)
WA R N I N G
DO NOT GET USED ENGINE OIL ON YOUR SKIN.
USED ENGINE OIL CAN BE HARMFUL.
A0302274
A0302274A
A0302274B

Power Conversion (03.11)
Engine (03.00)3-11-12 Workshop Manual May 2007
12. Install piston ring clamp to each piston in turn and install
in its respective cylinder bore. Remove piston ring
clamp (see Figure 19).
Figure 19
13. Lubricate crankshaft journa ls with clean engine oil.
14. Carefully pull each connecting rod into place on each crankshaft journal.
15. Install bearing caps to their relevant connecting rods. Install and torque tighten retaining bolts (x16).
16. Clean windage tray.
17. Install windage tray, install and torque tighten bolts (x8).
18. Clean old sealant from sump flange and engine bedplate.
19. Ensure that sump flange and mating face on engine bedplate are clean and dry.
20. Apply a continuous 3mm diameter bead of RTV sealant to sump flange as recommended.
21. Ensure that there are no gaps in sealant track.
22. Install sump, install and torque tighten bolts (x16) in the correct sequence.
23. Install A/C compressor mounting bracket, install and torque tighten Torx bolts (x4).
24. Lubricate and install new O-ring seals to oil pipes.
25. Install oil pipes in sump, install and torque tighten bolts (x2)
26. Install compressor, install and torque tighten bolts (x4).
27. Connect multiplug to A/C compressor.
28. Install LH and RH HEGO sensor multiplug brackets to sump. Install and torque tighten bolts (x4).
29. Secure harness clips (x6) in sump.
30. Connect multiplug to crankshaft timing sensor.
31. Connect multiplug to engine electric coolant temperature sensor.
32. Connect multiplug to oil pressure sensor.
33. Clean oil scavenge pump and mating face on sump.
34. Install oil pump(s) drive sprocket. 35. Install new oil scavenge pump gasket, align on dowels
(x2).
36. Install chain onto oil scavenge pump sprocket.
37. Install oil scavenge pump, align to dowels (x2), Install
and torque tighten bolts (x3).
38. Install chain onto oil pump drive sprocket.
39. Clean oil pressure pump and mating face on sump.
40. Install new gasket to sump, align to dowels (x2).
41. Position oil pressure pu mp, install chain on pump
sprocket.
42. Install oil pressure pump, align to dowels (x2), Install and
torque tighten bolts (x3).
43. Install chain tensioner, install and torque tighten bolt, remove guide pin.
44. Install crankshaft timing sprocket.
45. Install cylinder head gaskets - engine set (see Workshop Manual procedure 03.01.HW Gasket - Cylinder Head -
Engine Set - Renew Wi th Engine Removed).
Piston-Renew
Removal
1. Remove cylinder head gaskets - engine set (see
Workshop Manual procedure 03.01.HW Gasket -
Cylinder Head - Engine Set - Renew With Engine
Removed).
2. Remove crankshaft timing sprocket from crankshaft.
3. Install guide pin through lower hole on chain tensioner.
4. Remove bolt securing oil pressure pump chain tensioner assembly to engine bedplate (see Figure 1).
Figure 1
Caution
When assembling connecting rods and connecting rod
bearing caps it is imperative that bearing slots and tangs
be located on the same side of the connecting rods.
A0311337
Repair Operation Time (ROT)
ItemCode
Piston-Renew 03.11.CH
WAR NI NG
DO NOT GET USED ENGINE OIL ON YOUR SKIN.
USED ENGINE OIL CAN BE HARMFUL.
A0302274