Infiniti M35/M45 Y50. Manual - part 757

EX-1

EXHAUST SYSTEM

B  ENGINE

CONTENTS

C

D

E

F

G

H

I

J

K

L

M

SECTION 

EX

A

EX

EXHAUST SYSTEM

PREPARATION ........................................................... 2

Special Service Tools  ............................................... 2
Commercial Service Tools ........................................ 2

EXHAUST SYSTEM  ................................................... 3

Checking Exhaust System  ....................................... 3
Components ............................................................. 4
Removal and Installation  .......................................... 5

REMOVAL ............................................................. 5

INSTALLATION ..................................................... 5
INSPECTION AFTER INSTALLATION .................. 5

Components ............................................................. 6
Removal and installation  .......................................... 7

REMOVAL ............................................................. 7
INSTALLATION ..................................................... 7
INSPECTION AFTER INSTALLATION .................. 7

EX-2

PREPARATION

PREPARATION

PFP:00002

Special Service Tools

NBS005RH

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Commercial Service Tools

NBS005RI

Tool number
(Kent-Moore No.)
Tool name

Description

KV10117100
(J3647-A)
Heated oxygen sensor wrench

Loosening or tightening heated oxygen 
sensor 2 (VQ35DE)
For 22 mm (0.87 in) width hexagon nut

KV10114400
(J38365)
Heated oxygen sensor wrench

Loosening or tightening heated oxygen 
sensor 2 (VK45DE)
For 22 mm (0.87 in) width hexagon nut

NT379

S-NT636

(Kent-Moore No.)
Tool name

Description

a: (J-43897-18)
b: (J-43897-12)
Heated oxygen sensor thread cleaner

Reconditioning the exhaust system threads 
before installing a new heated oxygen sensor 
(Use with anti-seize lubricant shown below.)
a: J-43897-18 (18 mm dia.) for zirconia 
heated oxygen sensor
b: J-43897-12 (12 mm dia.) for titania 
heated oxygen sensor

(

—

)

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

Lubricating heated oxygen sensor thread 
cleaner when reconditioning exhaust system 
threads

(   —   )
Power tool

Loosening bolts and nuts

AEM488

AEM489

PBIC0190E

EXHAUST SYSTEM

EX-3

C

D

E

F

G

H

I

J

K

L

M

A

EX

EXHAUST SYSTEM

PFP:20100

Checking Exhaust System

NBS005RJ

Check exhaust pipes, muffler and mounting for improper attachment,
leaks, cracks, damage or deterioration.

●

If anything is found, repair or replace damaged parts.

SMA211A

EX-4

EXHAUST SYSTEM

Components

NBS005RK

VQ35DE

●

Refer to 

GI-11, "Components"

  for symbols in the figure.

PBIC3202E

1.

Mounting bracket

2.

Main muffler (RH)

3.

Main muffler (LH)

4.

Mounting rubber

5.

Collar

6.

Ring gasket

7.

Dynamic damper

8.

Wire bonding

9.

Mounting bracket

10. Mounting rubber

11. Center muffler

12. Gasket

13. Exhaust front tube

14. Three way catalyst (right bank)

15. Gasket

16. Heated oxygen sensor 2 (bank 1)

17. Collar

18. Grommet

19. Exhaust mounting bracket

20. Grommet

21. Heated oxygen sensor 2 (bank 2)

22. Three way catalyst (left bank)

A.

AWD