Volvo 850 Supplement Manual

A/C-HEATER SYSTEM - AUTOMATIC
1995 Volvo 850
1995-96 Auto. A/C-Heater Systems
Volvo 850
* PLEASE READ THIS FIRST *
WARNING: To avoid injury from accidental air bag deployment, read and
carefully follow all SERVICE PRECAUTIONS and DISABLING &
ACTIVATING AIR BAG SYSTEM procedures in the AIR BAG RESTRAINT
SYSTEM article in the ACCESSORIES/SAFETY EQUIPMENT section.
CAUTION: When battery or radio is disconnected, radio will go into
anti-theft protection mode. Obtain radio code anti-theft
protection code from owner prior to servicing vehicle.
A/C SYSTEM SPECIFICATIONS
SPECIFICATIONS
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Application Specification
Compressor Type .................... Zexel DKS-15CH 6-cyl.
Compressor Belt Tension (1)
Compressor Oil Capacity ..................... ( 2) 6.8 ozs.
Refrigerant Capacity (R-134a) .................. 26.4 ozs.
System Operating Pressures (3)
High Side ............... 406-450 psi (28.5-31.6 kg/cm

)
Low Side .................... 25-33 psi (1.8-2.3 kg/cm

)
(1) - Belt tension is maintained by automatic belt tensioner.
(2) - Use PAG Oil (Part No. 11 61 407-0)
(3) - Pressure switch cut-out points.
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DESCRIPTION
The Electronic Climate Control (ECC) module (A/C-heater
control panel) contains a function selector dial, driver’s and
passenger’s temperature dials, a REC (recirculated air) switch, A/C
OFF switch, and a fan speed (blower motor) control lever. See Fig. 1.
The heater (blower motor) fan is controlled by ECC output (power)
stage. Air conditioning system will only operate above 32

F (0

C).
Blower switch must not be in zero position to allow compressor to
engage.
Other system components include an A/C relay, A/C compressor,
low-pressure switch (pressostat), A/C safety and high-pressure switch,
engine coolant temperature sensor, outside temperature sensor,
interior temperature sensors, and duct temperature sensors.
In addition, driver’s and passenger’s temperature control
damper motors, recirculation damper motor, floor/defroster damper
motor, ventilation damper motor, and diagnostic connectors (units)
complete system.

Volvo 850 Specifications

Torque Specifications

ABS Sensor Torque	7 ft. lbs. (10 N.m)
Bearing Cap Torque	18 ft. lbs. (25 N.m)
Lug Nuts Torque	81 ft. lbs. (110 N.m)
Suspension Arm Nuts Torque	13 ft. lbs. (18 N.m)
Suspension Arm To Anti-Roll Bar Torque	37 ft. lbs. (50 N.m)
Suspension Arm To Anti-Roll Bar Center Nut Torque	80 ft. lbs. (120 N.m)