Nissan Altima L32. Instruction — part 660
EM-176
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REAR TIMING CHAIN CASE
b. After all bolts are initially tightened, retighten them to the specification in the numerical order as shown.
4. Install the primary and secondary timing chains. Refer to
5. Install the engine assembly. Refer to
EM-202, "Removal and Installation"
.
Bolt length
Bolt position
Torque specification
20 mm (0.79 in)
1, 2, 3, 6, 7, 8, 9, 10
12.7 N·m (1.3 kg-m, 9 ft-lb)
16 mm (0.63 in)
4, 5, 11
12.7 N·m (1.3 kg-m, 9 ft-lb)
16 mm (0.63 in)
12 - 25
15.0 N·m (1.5 kg-m, 11 ft-lb)
CAMSHAFT
EM-177
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CAMSHAFT
Removal and Installation
INFOID:0000000004202173
CAUTION:
Apply new engine oil to parts marked in illustration before installation.
REMOVAL
1. Remove the timing chains. Refer to
.
2. Remove the fuel rail and injectors. Refer to
EM-146, "Removal and Installation"
.
ALBIA0256GB
1.
Camshaft position sensor bracket (RH) 2.
Camshaft brackets
3.
No. 1 camshaft bracket (RH)
4.
Camshaft (EXH) RH
5.
Camshaft (INT) RH 6.
Cylinder head (RH)
7.
Cylinder head (LH)
8.
Camshaft (EXH) LH 9.
Camshaft (INT) LH
10. No. 1 camshaft bracket (LH)
11. Camshaft brackets
12. Camshaft position sensor bracket (LH)
A.
Follow installation procedure
EM-178
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CAMSHAFT
3. Remove camshaft position brackets (RH shown LH similar).
4. Remove the intake and exhaust camshaft brackets and the cam-
shafts.
• Mark the camshafts, camshaft brackets, and bolts so they are
placed in the same position and direction for installation.
• Equally loosen the camshaft bracket bolts in several steps in
the numerical order as shown.
5. Remove valve lifters.
NOTE:
Identify installation positions to ensure proper installation.
6. Remove secondary timing chain tensioner from cylinder head
• Remove secondary tensioner with its stopper pin attached.
NOTE:
Stopper pin was attached when secondary timing chain was
removed.
INSTALLATION
ALBIA0259ZZ
SEM856E
SEM857E
SEM444G
CAMSHAFT
EM-179
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1. Before installation, remove any old Silicone RTV Sealant from
component mating surfaces using a scraper.
• Remove the old Silicone RTV Sealant from the bolt holes and
threads.
• Do not scratch or damage the mating surfaces.
2. Before installing the front cam bracket, remove the old Silicone
RTV Sealant from the mating surface using a scraper.
• Do not scratch or damage the mating surface.
3. Turn the crankshaft until No. 1 piston is set at TDC on the com-
pression stroke.
• The crankshaft key should line up with the right bank cylinder
center line as shown.
4. Install camshaft chain tensioners on both sides of cylinder head.
EM-155, "Removal and Installation"
5. Install valve lifters.
NOTE:
Install them in original positions.
SEM161F
SEM892E
SEM532G
SEM444G
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