2005 INFINITI QX4 Factory Service Manual

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Page 1937 of 3419

INFINITI QX4 2005 Factory Service Manual EM-34Revision: October 2005
ROCKER COVER
2005 QX56
INSTALLATION
1. Apply liquid gasket to the joint part of the cylinder head and
camshaft bracket following the steps below.
NOTE:
Illustration shows a

Page 1938 of 3419

INFINITI QX4 2005 Factory Service Manual TIMING CHAIN
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Revision: October 20052005 QX56
TIMING CHAINPFP:13028
Removal and InstallationEBS00LM8
KBIA25 11 E

Page 1939 of 3419

INFINITI QX4 2005 Factory Service Manual EM-36Revision: October 2005
TIMING CHAIN
2005 QX56
NOTE:
To remove timing chain and associated parts, start with those on the left bank. The procedure for remov-
ing parts on the right bank is omitte

EM-36Revision: October 2005
TIMING CHAIN
2005 QX56
NOTE:
To remove timing chain and associated parts, start with those on the left bank. The procedure for remov-
ing parts on the right bank is omitted because it is the same as that for removal on the left bank.
To install timing chain and associated parts, start with those on the right bank. The procedure for installing
parts on the left bank is omitted because it is the same as that for installation on the right bank.
REMOVAL
1. Remove the engine assembly from the vehicle. Refer to EM-69, "REMOVAL" .
2. Remove the following components and related parts:
Drive belt auto tensioner and idler pulley. Refer to EM-12, "DRIVE BELTS" .
Thermostat housing and water hose. Refer to CO-19, "Removal of Thermostat Housing, Water Outlet
and Heater Pipe" .
Power steering pump bracket. Refer to PS-26, "REMOVAL" .
Oil pan (lower), (upper) and oil strainer. Refer to EM-22, "OIL PAN AND OIL STRAINER" .
Ignition coil. Refer to EM-26, "IGNITION COIL" .
Rocker cover. Refer to EM-33, "ROCKER COVER" .
3. Remove the chain case cover (right bank) and (left bank).
a. Loosen and remove the bolts in the reverse of order shown.
b. Cut the liquid gasket and remove the covers using Tool.
CAUTION:
Do not damage mating surfaces.
4. Obtain compression TDC of No. 1 cylinder as follows:
a. Turn the crankshaft pulley clockwise to align the TDC identifica-
tion notch (without paint mark) with the timing indicator on the
front cover.
1. Camshaft sprocket (left bank EXH) 2. Camshaft sprocket (left bank INT) 3. Camshaft sprocket (right bank INT)
4. Camshaft sprocket (right bank EXH) 5. Front cover 6. Chain case cover (right bank)
7. Chain case cover (left bank) 8. Crankshaft pulley bolt 9. Crankshaft pulley
10. Chain tensioner cover 11. Front oil seal 12. Oil pump drive spacer
13. Oil pump assembly 14. Crankshaft sprocket 15. Bracket
16. O-ring 17. Timing chain tension guide (right
bank)18. Timing chain slack guide (right bank)
19. Timing chain (right bank) 20. Timing chain (left bank) 21. Chain tensioner (right bank)
22. Timing chain slack guide (left bank) 23. Timing chain tension guide (left
bank)24. Chain tensioner (left bank)
Tool number: KV10111100 (J-37228)
KBIA2475E
KBIA2476E

Page 1940 of 3419

INFINITI QX4 2005 Factory Service Manual TIMING CHAIN
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b. At this time, make sure both intake and exhaust cam lobes of
No. 1 cylinder (top front on left bank) point outside.
If

Page 1941 of 3419

INFINITI QX4 2005 Factory Service Manual EM-38Revision: October 2005
TIMING CHAIN
2005 QX56
9. Remove the oil pump. Refer to LU-13, "Removal and Installation" .
10. Remove the chain tensioner on the left bank using the following steps.
NOTE:

Page 1942 of 3419

INFINITI QX4 2005 Factory Service Manual TIMING CHAIN
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Revision: October 20052005 QX56
INSTALLATION
NOTE:
The above figure shows the relationship between the mating mark on each timing chain and that of the
co

Page 1943 of 3419

INFINITI QX4 2005 Factory Service Manual EM-40Revision: October 2005
TIMING CHAIN
2005 QX56
3. Install the crankshaft sprockets for both banks.
Install each crankshaft sprocket so that its flange side (the
larger diameter side without teeth

Page 1944 of 3419

INFINITI QX4 2005 Factory Service Manual TIMING CHAIN
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Revision: October 20052005 QX56
9. Install the chain tensioner cover.
Apply liquid gasket as shown.
Use Genuine RTV Silicone Sealant or equivalent. Refer

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