Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2006-2009 Approved TB Nissan Altima 2007 HA

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VENTILATION, HEATER & AIR CONDITIONER

HEATER & AIR CONDITIONING SYSTEM
SECTION HA B

E
CONTENTS
PRECAUTION .............................................. 3
. Checking of Refrigerant Leaks ...............................26
. F

PRECAUTIONS .................................................. 3
. FLUORESCENT LEAK DETECTOR ................ 28
Precaution for Supplemental Restraint System Checking System for Leaks Using the Fluorescent
G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Leak Detector .........................................................28
.
SIONER" .................................................................. 3
. Dye Injection ...........................................................28
.
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .................................... 3.
ELECTRICAL LEAK DETECTOR .................... 29 H
Electronic Refrigerant Leak Detector ......................29
.
Precaution for Procedure without Cowl Top Cover 3 ......
Precaution for Working with HFC-134a (R-134a)...... 4 ON-VEHICLE REPAIR ................................ 32
.
Contaminated Refrigerant ........................................ 4 . HA
General Refrigerant Precaution ............................... 4 . REFRIGERATION SYSTEM ............................. 32
Precaution for Leak Detection Dye .......................... 5 . Component .............................................................32
.
A/C Identification Label ............................................ 5
. HFC-134a (R-134a) Service Procedure .................33 . J
Precaution for Refrigerant Connection ..................... 5 .
Precaution for Service of Compressor ..................... 9 . COMPRESSOR ................................................. 36
Precaution for Service Equipment ............................ 9 . Removal and Installation for Compressor -
QR25DE Models .....................................................36
. K
PREPARATION .......................................... 12
. Removal and Installation for Compressor -
VQ35DE Models .....................................................37
.
PREPARATION .................................................12
. Removal and Installation for Compressor Clutch ....37 L
Special Service Tool .............................................. 12
.
HFC-134a (R-134a) Service Tool and Equipment 12 .... LOW-PRESSURE FLEXIBLE HOSE ................ 41
Commercial Service Tool ....................................... 14
. Removal and Installation for Low-Pressure Flexi-
M
ble Hose .................................................................41
.
FUNCTION DIAGNOSIS ............................. 16
.
LOW-PRESSURE PIPE .................................... 42
REFRIGERATION SYSTEM .............................16
. Removal and Installation for Low-Pressure Pipe ....42 N
Refrigerant Cycle ................................................... 16
.
Refrigerant System Protection ............................... 16 . HIGH-PRESSURE FLEXIBLE HOSE ............... 43
Component Part Location ...................................... 16. Removal and Installation for High-Pressure Flexi-
ble Hose .................................................................43
. O
OIL .....................................................................19
.
Maintenance of Oil Quantity in Compressor .......... 19
. HIGH-PRESSURE PIPE .................................... 44
Removal and Installation for High-Pressure Pipe ....44 P
ON-VEHICLE MAINTENANCE ................... 22
. Removal and Installation for Junction Pipe ............44
.
OIL .....................................................................22
. CONDENSER .................................................... 46
Maintenance of Oil Quantity in Compressor .......... 22
. Removal and Installation for Condenser ................46
.
REFRIGERATION SYSTEM .............................25
. REFRIGERANT PRESSURE SENSOR ............ 47
HFC-134a (R-134a) Service Procedure ................. 25
.

Revision: October 2006 HA-1 2007 Altima
Removal and Installation for Refrigerant Pressure SERVICE DATA AND SPECIFICATIONS
Sensor ................................................................... 47
. (SDS) .......................................................... 49
EXPANSION VALVE ........................................ 48
. SERVICE DATA AND SPECIFICATIONS
Removal and Installation for Expansion Valve ...... 48
. (SDS) ................................................................ 49
.
Service Data and Specification (SDS) ................... 49
.

Revision: October 2006 HA-2 2007 Altima
PRECAUTIONS
< PRECAUTION >
PRECAUTION A
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT B
PRE-TENSIONER" INFOID:0000000000993099

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along C
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted. D
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING: E

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