Infiniti FX35, FX50 (S51). Manual - part 965

EM-160

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PREPARATION

Commercial Service Tool

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KV10114400
(J-38365)
Heated oxygen sensor wrench

Loosening or tightening air fuel ratio sensor 1 
and heated oxygen sensor 2
a: 22 mm (0.87 in)

KV10119200
(J-49277)
Ring gear stopper

Removing and installing crankshaft pulley

KV10119300
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Adapter and torque wrench assembly

Tightening rocker cover mounting bolts. 
(specified torque)

Tool number
(Kent-Moore No.)
Tool name

Description

JPBIA0397ZZ

JPBIA0409ZZ

(Kent-Moore No.)
Tool name

Description

(J-45488)
Quick connector release

Removing fuel tube quick connectors in en-
gine room

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Tube presser

Pressing the tube of liquid gasket

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Power tool

Loosening nuts and bolts

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Spark plug wrench

Removing and installing spark plug
a: 14 mm (0.55 in)

PBIC0198E

S-NT052

PBIC0190E

JPBIA0399ZZ

PREPARATION

EM-161

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Manual lift table caddy

Removing and installing engine 

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Pilot bushing puller

Removing pilot converter

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Valve seat cutter set

Finishing valve seat (EXH) dimensions

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Piston ring expander

Removing and installing piston ring

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Valve guide drift

Removing and installing valve guide (EXH)
a: 9.5 mm (0.374 in) dia.
b: 5.5 mm (0.217 in) dia.

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Valve guide reamer

(1): Reaming valve guide (EXH) inner hole
(2): Reaming hole for oversize valve guide 
(EXH) 
c: 6.0 mm (0.236 in) dia.
d: 10.2 mm (0.402 in) dia.

(Kent-Moore No.)
Tool name

Description

ZZA1210D

NT045

S-NT048

S-NT030

JPBIA0400ZZ

JPBIA0401ZZ

EM-162

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PREPARATION

(J-43897-18)
(J-43897-12)
Oxygen sensor thread cleaner

Reconditioning the exhaust system threads 
before installing a new air fuel ratio sensor and 
heated oxygen sensor (Use with anti-seize lu-
bricant shown below.)
A: J-43897-18 [18 mm (0.71 in) dia.] for zir-
conia heated oxygen sensor and air fuel 
ratio sensor
B: J-43897-12 [12 mm (0.47 in) dia.] for tita-
nia heated oxygen sensor
C: Mating surface shave cylinder
D: Flutes

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Anti-seize lubricant (Permatex 133AR 
or equivalent meeting MIL specifica-
tion MIL-A-907)

Lubricating oxygen sensor thread cleaning 
tool when reconditioning exhaust system 
threads

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Feeler gauge

Inspection valve clearance (use a curved-tip 
gauge)

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Compression gauge with flexible type 
adapter

Checking compression pressure

(Kent-Moore No.)
Tool name

Description

JPBIA0238ZZ

AEM489

JPBIA1362ZZ

DRIVE BELTS

EM-163

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PERIODIC MAINTENANCE

DRIVE BELTS

Exploded View

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Checking

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WARNING:

Be sure to perform the these steps when engine is stopped.
• Remove air duct (inlet) when inspecting alternator, water pump and A/C compressor belt.
• Remove engine undercover with power tool when inspecting power steering oil pump belt.
• Check that the indicator (A) (notch on fixed side) of each auto-tensioner is within the possible use range (B).

NOTE:
• Check the each auto-tensioners indication when the engine is cold.
• When new drive belts is installed, the indicator (notch on fixed side) should be within the range (C) in the

figure.

• Visually check all drive belts for wear, damage or cracks.
• If the indicator (notch on fixed side) is out of the possible use range or drive belts are damaged, replace drive

belts.

1.

Water pump

2.

Auto-tensioner (for alternator, water 
pump and A/C compressor belt)

3.

Alternator

4.

Power steering oil pump belt

5.

Power steering oil pump

6.

Auto-tensioner (for power steering oil 
pump belt)

7.

Crankshaft pulley

8.

Idler pulley

9.

A/C compressor

10.

Alternator, water pump and A/C com-
pressor belt

A.

Indicator

B.

Possible use range

C.

Range when new drive belt is installed

D.

View D

E.

View E

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