Nissan Frontier D22. Manual - part 678

TIMING CHAIN

EM-19

[KA24DE]

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TIMING CHAIN

PFP:13028

Components

EBS00GSA

1.

Timing chain tensioner (upper)

2.

Cam sprocket

3.

Timing chain (upper)

4.

Water pump

5.

Water pump pulley

6.

Crankshaft pulley

7.

Front oil seal

8.

Front cover

9.

Camshaft sprocket cover

10.

Oil slinger

11.

Oil pump drive gear

12.

Timing chain (lower)

13.

Crankshaft sprocket

14.

Chain guide

15.

Idler sprocket

16.

Chain tension arm

17.

Timing chain tensioner (lower)

18.

Suitable pin

WBIA0214E

EM-20

[KA24DE]

TIMING CHAIN

LIQUID GASKET APPLICATION PLACES

Removal

EBS00GSB

CAUTION:

●

After removing timing chain, do not turn crankshaft and camshaft separately, or valves will strike
piston heads.

●

When installing chain tensioners or other sliding parts, lubricate contacting surfaces with new
engine oil.

●

Apply new engine oil to bolt threads and seat surfaces when installing camshaft sprockets and
crankshaft pulley.

●

Do not spill engine coolant on drive belts.

WEM135

AEM479

TIMING CHAIN

EM-21

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UPPER TIMING CHAIN

1.

Remove the air cleaner assembly.

2.

Remove the spark plug wires.

3.

Set No.1 piston at TDC on its compression stroke.

4.

Remove the vacuum hoses, electrical harness connectors, and harness clamps.

5.

Remove the power steering belt.

6.

Remove the power steering pump and position it to one side. Remove the idler pulley and bracket.

7.

Remove the rocker cover, loosen and remove the rocker cover
bolts in the numerical order as shown. 

8.

Remove the camshaft sprocket cover.

9.

Wipe off the links of the timing chain next to the timing marks on
the sprockets. Put paint marks on the timing chain, matching
them with the timing marks on the cam sprockets and idler
sprocket.

10. Remove cam sprocket bolts, cam sprockets and upper timing chain.

IDLER SPROCKET

1.

Remove upper timing chain.

WEM067

AEM356

AEM374

JEM547G

EM-22

[KA24DE]

TIMING CHAIN

Refer to 

EM-21, "UPPER TIMING CHAIN"

 .

2.

If not removing the lower cover, support lower timing chain using
a suitable tool to prevent the chain tensioner spring from coming
out.

NOTE:
This step is only to be applied when the lower cover is not being
removed.

3.

Remove the idler sprocket.

LOWER TIMING CHAIN

1.

Drain the coolant by removing the cylinder block drain plug and opening the radiator drain cock. Refer to

MA-16, "Changing Engine Coolant"

 .

2.

Drain the engine oil. Refer to 

MA-20, "Changing Engine Oil"

 .

3.

Remove the intake air duct.

4.

Remove the following parts:

●

Generator drive belt

●

A/C compressor drive belt

●

Cooling fan with coupling

●

Radiator shroud

5.

Remove the A/C compressor without disconnecting the A/C hoses and position it to the side, supporting it
with wire.

6.

Remove the idler pulley and bracket.

7.

Set the No. 1 piston to TDC on its compression stroke.

8.

Remove the distributor.

AEM480

WEM067