2010 ASTON MARTIN V8 VANTAGE Workshop Manual

Valve Train (03.09)
Engine (03.00)
Issue 5, January 2010 Workshop Manual 3-9-19
5. Release and remove the camshaft sprockets complete with timing chain and tensione r from camshafts (refer to
Figure 3).
Figure 3
6. Remove secondary timing chain and tensioner from sprockets (refer to Figure 4).
Figure 4
Install
1. Clean the camshaft sprockets and tensioner.
2. Install the secondary timing chain and tensioner on to the camshaft sprockets.
3. Install the secondary timing chain assembly onto the camshafts.
4. Install the spacer onto the M12 exhaust Torx bolt.
5. Install the exhaust M12 Torx bolt to attach the exhaust camshaft sprocket. Do not tighten at this step.
6. Install the inlet M12 Torx bolt to attach the inlet camshaft sprocket. Do not tighten at this step.
7. Install and torque tighten the two M6 secondary tensioner bolts.
8. Install the left primary timing chain guide.
9. Install and torque the M6 bolt that attaches the left primary timing chain guide.
10. Make sure that there is no tension in the chain at the tensioner side.
11. Install the primary timing chain.
12. Install primary timing chain tensioner blade. 13. Install and torque the M6 bolt that attaches the
tensioner blade.
14. Install the primary timing chain tensioner assembly.
15. Install and torque tighten the two M6 bolts that attach the tensioner assembly.
16. Release tension on the timing chain tensioner piston, remove retaining special tool.
17. Install timing chain tensio ning tool (303-532) into
exhaust camshaft sprocket.
18. Apply a force to the tool (3 03-532) in an anti-clockwise
direction and torque tighten sprocket Torx bolts.
Remove special tool.
19. Install LH/RH primary timing chain (refer to Workshop
Manual procedure 03.09.AM/03.09.AN/03.09.CM/
03.09.CN Chain - Timing Primary - LH/RH - Renew).
RH/LH Secondary Tensioner Assembly-
Renew (with Engine Removed
)
Remove
1. Remove the LH/RH primary timing chain (refer to Workshop Manual procedure 03.09.BM/03.09.BN/
03.09.CM/03.09.CN Timing Chain - Primary - LH/RH -
Renew With Engine Removed).
2. Remove the two Torx head bolts, (there is a spacer on the exhaust Torx bolt), that attach the inlet and exhaust
camshaft sprockets to the camsh afts (refer to Figure 1).
Figure 1
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Caution
Apply an opposite force to the sprockets and chain while you tighten the sprocket bolts
Repair Operation Time (ROT)
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Valve Train (03.09)
Engine (03.00)3-9-20 Workshop Manual Issue 5, January 2010
3. Remove the two bolts that attach the secondary timing chain tensioner to the cylinder head (refer to Figure 2).
Figure 2
4. Release and remove the camshaft sprockets complete with the timing chain and te nsioner from the camshafts
(refer to Figure 3).
Figure 3
5. Remove the secondary timing chain and tensioner from the sprockets (refer to Figure 4).
Figure 4
Install
1. Clean the camshaft sprockets and tensioner.
2. Install the secondary timing chain and tensioner to the camshaft sprockets. 3. Install the secondary timing chain assembly onto the
camshafts.
4. Install the spacer onto the M12 exhaust Torx bolt.
5. Install the exhaust M12 Torx bolt to attach the exhaust camshaft sprocket. Do not tighten at this step.
6. Install the inlet M12 Torx bolt to attach the inlet camshaft sprocket. Do not tighten at this step.
7. Install and torque tighten the two secondary tensioner bolts.
8. Install the left-side pr imary timing chain guide.
9. Install and torque the bolt that attaches the chain guide.
10. Make sure that the timing ch ain slack is on the tensioner
side of the timing chain.
11. Install the primary timing chain.
12. Install the tensioner blade for the primary timing chain.
13. Install and torque the bolt that attaches the tensioner blade.
14. Install the primary timing chain tensioner assembly.
15. Install and torque the two bolts that attach the primary chain tensioner.
16. Release the tension on the timing chain tensioner piston. Remove the retaining special tool.
17. Install the timing chain tensioning tool (303-532) on the exhaust camshaft sprocket.
18. Apply a force to the special tool (303-532) in a counterclockwise direction and torque the sprocket
Torx bolts. Remove the special tool.
19. Install the the left and right primary timing chain (refer to
Workshop Manual procedure 03.09.BM/03.09.BN/
03.09.CM/03.09.CN Timing Chain - Primary - LH/RH -
Renew With Engine Removed).
RH/LH Intake Camshaft Renew With
Engine Removed
Remove
1. Remove the left and right secondary timing chain tensioner (refer to Work shop Manual procedure
03.09.BS/03.09.BR Tensioner Assembly - Secondary -
RH/LH - Renew With Engine Removed).
2. Remove the three bolts that attach the tool (303-530) to
the cylinder head.
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Repair Operation Time (ROT)
ItemCode
Intake Camshaft-Renew LH03.09.BT
Intake Camshaft-Renew RH03.09.BV
WAR NI NG
DO NOT GET USED ENGINE OIL ON YOUR SKIN. USED ENGINE OIL CAN BE HARMFUL.

Valve Train (03.09)
Engine (03.00)
Issue 5, January 2010 Workshop Manual 3-9-21
3. Remove the special tool (refer to Figure 1 - Right side shown).
Figure 1
4. Collect the spacer (303-530/04) if used.
5. Loosen the bolts that attach the ten intake camshaft bearing caps gradually in steps (refer to Figure 2 - Right
side shown.
Figure 2
6. Record the installed direction and positions and remove the five right intake bearing caps. 7. Remove the right intake cam
shaft (refer to Figure 3
shown..
Figure 3
Install
1. Apply clean engine oil to the items that follow:
• The camshaft journals
• The camshaft lobes
• The bearing surfaces on the cylinder head
• The bearing caps.
2. Install the right intake camshaft.
3. Install the five bearing caps in their initial positions.
4. Install and torque the ten bolts in the sequence specified as shown in Figure 4.
Figure 4
5. Install the Torx bolt to attach the sprocket to the camshaft.
6. Rotate the camshaft as necessary and measure and
record each valve clearance.
7. Do steps 4 to 6 again.
8. Calculate the necessary tappet grade for each valve.
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Caution
Tighten the bearing cap bolt s gradually in a diagonal
sequence to correctly seat the camshaft bearing caps.
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Valve Train (03.09)
Engine (03.00)3-9-22 Workshop Manual Issue 5, January 2010
9. Install the correct tappets.
10. Do steps 1 to 4 again.
11. Rotate the camshaft as necessary and measure each valve clearance again.
12. Remove the sprocket attachment Torx bolt.
13. Install the right and left se condary timing chain tensioner
(refer to Workshop Manual procedure 03.09.BS/
03.09.BR Tensioner Assemb ly - Secondary - RH/LH -
Renew With Engine Removed).RH/LH Exhaust Camshaft-Renew (with
Engine Removed
)
Remove
1. Remove the left and right secondary timing chain tensioner (refer to Work shop Manual procedure
03.09.BR/03.09.BS Tensione r Assembly - Secondary -
LH/RH - Renew With Engine Removed).
2. Remove the three bolts that attach the tool (303-530) to
the cylinder head.
3. Remove the special tool (refer to Figure 1 - Left side shown)..
Figure 1
4. Collect the spacer (303-530/04) if used.
5. Loosen the bolts that attach the ten exhaust camshaft bearing caps gradually in steps (refer to Figure 2 - left
side shown).
Figure 2
Repair Operation Time (ROT)
ItemCode
Exhaust Camshaft-Renew LH03.09.BW
Exhaust Camshaft-Renew RH03.09.BU
WAR NI NG
DO NOT GET USED ENGINE OIL ON YOUR SKIN. USED ENGINE OIL CAN BE HARMFUL.
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Valve Train (03.09)
Engine (03.00)
Issue 5, January 2010 Workshop Manual 3-9-23
6. Record the installed direction and positions and remove the five right exhaust bearing caps.
7. Remove the right exhaust camshaft (refer to Figure 3 - Right side shown.)..
Figure 3
Install
1. Apply clean engine oil to the items that follow:
• The camshaft journals
• The camshaft lobes
• The bearing surfaces on the cylinder head
• The bearing caps.
2. Install the right exhaust camshaft.
3. Install the five bearing caps in their initial positions.
4. Install and torque the ten bolts in the sequence shown in Figure 4.
Figure 4
5. Install the Torx bolt to attach the sprocket to the camshaft.
6. Rotate the camshaft as necessary and measure and record each valve clearance. 7. Do steps 4 to 6 again.
8. Calculate the necessary tappet grade for each valve.
9. Install the correct tappets.
10. Do steps 1 to 4 again.
11. Rotate the camshaft as ne
cessary and measure each
valve clearance again.
12. Remove the sprocket attachment Torx bolt.
13. Install left and right secondary timing chain tensioner (refer to Workshop Manual procedure 03.09.BR/
03.09.BS Tensioner Assembly - Secondary - LH/RH -
Renew With Engine Removed).
Caution
Tighten the bearing cap bolt s gradually in a diagonal
sequence to correctly seat the camshaft bearing caps.
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Valve Train (03.09)
Engine (03.00)3-9-24 Workshop Manual Issue 5, January 2010
RH/LH Secondary Timing Chain-Renew
(with Engine Removed
)
Remove
1. Remove the left and right primary timing chain (refer to Workshop Manual procedure 03.09.BM/03.09.BN
Timing Chain - Primary - LH/RH - Renew With Engine
Removed).
2. Remove the two M12 Torx bolts that attach the inlet and exhaust camshaft sprocket s to camshafts (refer to
Figure 1)..
Figure 1
3. Collect the spacer from the bolt on the exhaust camshaft.
4. Remove the two M6 bolts that attach the secondary timing chain tensioner to the cylinder head (refer to
Figure 2).
Figure 2
5. Release and remove the camshaft sprockets complete with the timing chain and tensioner from camshafts
(refer to Figure 3)..
Figure 3
6. Remove secondary timing chain and tensioner from sprockets (refer to Figure 4).
Figure 4
Install
1. Clean the camshaft sprockets and the tensioner.
2. Install the secondary timing chain and tensioner to camshaft sprockets.
3. Install the secondary timing chain assembly onto the camshafts.
4. Install the spacer onto the M12 exhaust Torx bolt.
5. Install the exhaust M12 Torx bolt to attach the exhaust camshaft sprocket. Do not tighten at this step.
6. Install the inlet M12 Torx bolt to attach the inlet camshaft sprocket. Do not tighten at this step.
7. Install and torque the two M6 secondary tensioner attachment bolts.
8. Install the left guide for the primary timing chain.
9. Install and torque the M6 bolt that attaches the left guide.
10. Make sure that the timing ch ain slack is on the tensioner
side of the timing chain.
11. Install the primary timing chain.
12. Install the primary timi ng chain tensioner blade.
Repair Operation Time (ROT)
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Valve Train (03.09)
Engine (03.00)
Issue 5, January 2010 Workshop Manual 3-9-25
13. Install and torque the M6 attachment bolt for the tensioner blade.
14. Install the tensioner assembly for the primary timing chain.
15. Install and torque the two M6 bolts that attach the tensioner assembly.
16. Release the tension on the piston of the timing chain tensioner.
17. Remove the retaining special tool.
18. Install the timing chain tensioning tool (303-532) into the exhaust camshaft sprocket.
19. Apply a force to the tool (303-532) in a counterclockwise direction and torque the M12
sprocket Torx bolts.
20. Remove the special tool.
21. Install the left and right primary timing chain (refer to Workshop Manual procedure 03.09.BM/03.09.BN
Timing Chain - Primary - LH /RH - Renew With Engine
Removed).
RH/LH Intake Camshaft Sprocket and
Housing Assembly-Renew
Remove
1. Remove the left and right pr imary timing chain (refer to
Workshop Manual procedure 03.09.AN/03.09.AM/
03.09.CN/03.09.CM Chain - Timing Primary - RH/LH -
Renew). 2. Remove the two M12 Torx bolts that attach the inlet
and exhaust camshaft sprockets to camshafts (refer to
Figure 1).
Figure 1
3. Collect the spacer from the bolt on the exhaust camshaft.
4. Remove the two M6 bolts that attach the secondary timing chain tensioner to the cylinder head (refer to
Figure 2).
Figure 2
Caution
Apply an opposite force to the sprockets and chain while
you tighten the sprocket bolts
Repair Operation Time (ROT)
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Valve Train (03.09)
Engine (03.00)3-9-26 Workshop Manual Issue 5, January 2010
5. Release and remove the two camshaft sprockets complete with the timing chain and tensioner from the
camshafts (refer to Figure 3).
Figure 3
6. Remove the intake sprocket housing assembly from the secondary timing chain (refer to Figure 4).
Figure 4
Install
1. Clean the two camshaft sprockets and the tensioner.
2. Install intake sprocket housing assembly and exhaust sprocket into secondary timing chain.
3. Install secondary timing ch ain tensioner onto timing
chain.
4. Install secondary timing chain assembly onto camshafts.
5. Install the spacer onto the M12 exhaust Torx bolt.
6. Install the exhaust M12 Torx bolt to attach the exhaust camshaft sprocket. Do not tighten at this step.
7. Install the inlet M12 Torx bolt to attach the inlet camshaft sprocket. Do not tighten at this step.
8. Install and torque tighten secondary tensioner bolts (x2).
9. Install RH primary timing chain guide, install and torque tighten bolt.
10. Make sure that the timing chain slack is on the tensioner side of the timing chain.
11. Install primary timing chain.
12. Install primary timing chain tensioner blade, install and
torque tighten bolt. 13. Install primary timing chai
n tensioner assembly, install
and torque tighten bolts (x2).
14. Release tension on the ti ming chain tensioner piston,
remove retaining special tool.
15. Install timing chain tens ioning tool (303-532) into
exhaust camshaft sprocket.
16. Apply a force to the tool (303-532) in an anti-clockwise direction and torque tighte n sprocket Torx bolts.
Remove special tool.
17. Install RH/LH primary timing chain (refer to Workshop
Manual procedure 03.09.AN/03.09.AM/03.09.CN/
03.09.CM Chain - Timing Primary - RH/LH - Renew).
Left Side Primary Chain - Remove and
Install
)
Remove
1. Remove the right side primar y timing chain. (refer to
procedure 03.09.CN - Right Side Primary Timing Chain)
2. Remove the two bolts that attach the left side bush carrier for the Variable Camshaft Timing (VCT) to the
engine.
Figure 1
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A0309255
Caution
Apply an opposite force to the sprockets and chain while you tighten the sprocket bolts
Repair Operation Time (ROT)
ItemCode
Left Side Primary Chain - Remove and Install 03.09.CM