Nissan Frontier D40. Instruction — part 608

EM-164

< ON-VEHICLE REPAIR >

[VQ40DE]

FRONT TIMING CHAIN CASE

FRONT TIMING CHAIN CASE

Exploded View

INFOID:0000000005274342

Removal and Installation

INFOID:0000000005274343

REMOVAL

1.

Remove engine room cover. Refer to

EM-138, "Removal and Installation"

.

2.

Drain engine oil. Refer to

LU-22, "Changing Engine Oil"

.

CAUTION:

• Perform this step when engine is cold.
• Do not spill engine oil on drive belts.

3.

Drain engine coolant from radiator. Refer to

CO-39, "Changing Engine Coolant"

.

CAUTION:

• Perform this step when engine is cold.
• Do not spill engine coolant on drive belts.

4.

Remove radiator cooling fan assembly. Refer to

CO-47, "Removal and Installation (Motor driven type)"

.

5.

Disconnect engine harnesses removing their brackets from front timing chain case.

6.

Remove EVAP canister purge volume control solenoid valve, if necessary.

7.

Remove drive belt. Refer to

EM-127, "Removal and Installation"

.

8.

Remove power steering oil pump from bracket with piping connected, and temporarily secure it aside.
Refer to

ST-18, "Removal and Installation"

.

9.

Remove power steering oil pump bracket. Refer to

ST-18, "Removal and Installation"

.

AWBIA0858GB

1.

O-ring

2.

Collared O-ring

3.

Intake valve timing control cover (RH)

4.

Idler pulley

5.

Drive belt auto tensioner

6.

Intake valve timing control cover (LH)

7.

Collared O-ring

8.

O-ring

9.

Chain tensioner cover

10.

Cooling fan bracket

11.

Crankshaft pulley

12.

Front oil seal

13.

Water pump cover

14.

Front timing chain case

15.

O-ring

A.

Refer to

EM-164

FRONT TIMING CHAIN CASE

EM-165

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[VQ40DE]

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10. Remove generator. Refer to

CHG-21, "Removal and Installation - VQ40DE Models"

.

11. Remove water bypass hoses and water hose clamp.
12. Remove cooling fan (crankshaft driven type) and fan bracket. Refer to

CO-46, "Removal and Installation

(Crankshaft driven type)"

.

13. Remove water hose at oil cooler.
14. Remove oil cooler water bypass pipe from front timing chain case. Refer to

LU-25, "Exploded View"

.

15. Remove right and left intake valve timing control covers.

• Loosen bolts in reverse order as shown.
• Cut liquid gasket for removal using Tool.

CAUTION:

Shaft is internally jointed with camshaft sprocket (INT) cen-
ter hole. When removing, keep it horizontal until it is com-
pletely disconnected.

16. Remove collared O-rings from front timing chain case (left and

right side).

17. Obtain No. 1 cylinder at TDC of its compression stroke as follows:

NOTE:
When timing chain is not removed/installed, this step is not required.

a.

Rotate crankshaft pulley clockwise to align timing mark (A)
(grooved line without color) with timing indicator (B).

b.

Make sure that intake and exhaust cam noses on No. 1 cylinder
(engine front side of right bank) are located as shown.
• If not, turn crankshaft one revolution (360

°

) and align as

shown.

NOTE:
When only timing chain (primary) is removed, rocker cover does
not need to be removed. To make sure that No. 1 cylinder is at
its compression TDC, remove front timing chain case first. Then
check mating marks on camshaft sprockets. Refer to

EM-173,

"Removal and Installation"

.

Tool number

: KV10111100 (J-37228)

SEM728G

PBIC2631E

AWBIA0719ZZ

SEM418G

EM-166

< ON-VEHICLE REPAIR >

[VQ40DE]

FRONT TIMING CHAIN CASE

18. Remove A/C compressor bolts and temporarily secure A/C compressor aside. Refer to

HA-28, "Removal

and Installation for Compressor"

.

19. Remove crankshaft pulley as follows:

a.

Remove starter motor and set Tool. Refer to

STR-34, "Removal

and Installation (VQ40DE)"

.

b.

Loosen crankshaft pulley bolt and locate bolt seating surface as
10 mm (0.39 in) from its original position.

CAUTION:

Do not remove crankshaft pulley bolt. Keep loosened
crankshaft pulley bolt in place to protect the crankshaft pul-
ley from dropping.

c.

Pull crankshaft pulley with both hands to remove it.

20. Loosen two bolts in front of oil pan (upper) in reverse order as

shown.

21. Remove front timing chain case as follows:

a.

Loosen bolts with power tool in reverse order as shown.

Tool number

: — (J-48761)

WBIA0580E

PBIC2918E

PBIC2907E

PBIC2908E

FRONT TIMING CHAIN CASE

EM-167

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b.

Insert suitable tool into the notch at the top of the front timing
chain case as shown (1).

c.

Pry off case by moving tool as shown (2).
• Cut liquid gasket for removal using Tool.

CAUTION:

• Do not use screwdriver or something similar.
• After removal, handle front timing chain case carefully so

it does not twist, bend, or warp under a load.

22. Remove O-rings from rear timing chain case.

23. Remove water pump cover and chain tensioner cover from front timing chain case, if necessary.

• Cut liquid gasket for removal using Tool.

24. Remove front oil seal from front timing chain case using suitable

tool.

CAUTION:

Be careful not to damage front timing chain case.

25. Remove idler pulley, if necessary. Refer to

EM-164, "Exploded View"

.

26. Use a scraper to remove all traces of old liquid gasket from front

and rear timing chain cases and oil pan (upper), and liquid gas-
ket mating surfaces.

CAUTION:

Be careful not to allow gasket fragments to enter oil pan.

Tool number

: KV10111100 (J-37228)

SEM156F

PBIC2548E

Tool number

: KV10111100 (J-37228)

PBIC2909E

PBIC2910E