battery capacity DODGE RAM 1999 Service Repair Manual

Page 92 of 1691


A/C -H EA TE R S YSTE M

1999 D odge P ic ku p R 1500
1999 MANUAL A/C-HEATER SYSTEMS
CHRYSLER
Dakota, Durango & Ram Pickup
SPECIFICATIONS
SPECIFICATIONS\
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Application Specification
Compressor Type .............................. Sanden SD-7H15 7-Cyl.
Compressor Belt Tension ........................................ ( 1)
Refrigerant (R-134a) Capacity
With Rear A/C Unit ....................................... 30 ozs.
Without Rear A/C Unit .................................... 28 ozs.
System Oil Capacity
Dakota & Ram Pickup ................................. ( 2) 8.1 ozs.
Durango
With Rear A/C Unit ................................. ( 2) 8.0 ozs.
Without Rear A/C Unit .............................. ( 2) 5.5 ozs.
System Operating Pressures ( 3)
High Side ......................... 190-220 psi (13.4-15.5 kg/cm
)
Low Side .............................. 32-40 psi (2.2-2.8 kg/cm)
( 1) - Dynamic tensioner automatically adjusts belt. Tension is okay if
indicator is within marked limits on belt tensioner.
( 2) - Use SP-20 PAG refrigerant oil.
( 3) - Measured at ambient air temperature of 80
F (27C).\
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WARNING: To avoid injury from accidental air bag deployment, read and
carefully follow all SERVICE PRECAUTIONS and DISABLING &
ACTIVATING AIR BAG SYSTEM procedures in AIR BAG SYSTEM SAFETY
article.
CAUTION: When battery is disconnected, radio will go into anti-theft
protection mode. Obtain radio anti-theft protection code from
owner prior to servicing vehicle.
DESCRIPTION
These systems are a blend-air type. Outside air enters
through a cowl at base of the windshield and flows through a plenum
chamber into blower housing. Airflow velocity is controlled by blower
speed selector switch. Air flows across evaporator and is directed by
a blend-air door to go either through or by-pass the heater core.
On Dakota and Durango, temperature control cable operates
blend-air door and allows immediate control of outlet air temperature.
It also controls operation of recirculation door. On Ram Pickup,
temperature is regulated by a blend-air servo motor controlled from
A/C-heater control panel rotary temperature dial. On all models, mode
selector switch controls vacuum-operated doors to direct conditioned
air to selected outlets.
Durango may also be equipped with an optional rear A/C unit.
The rear A/C unit consists of a blower motor and evaporator. It will
only operate while the front A/C is on. The optional rear A/C-heater
unit is controlled using fan and temperature switches.

Page 1053 of 1691

  Model 248 (4WD)  7.3 Pts. (3.4L) 


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 Model 267 (2WD)  7 Pts. (3.3L) 


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 Model 267 (4WD)  7.8 Pts. (3.6L) 


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 Model 286 (2WD)  6.8.Pts. (3.2L) 


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 Model 286 (4WD)  10.1 Pts. (4.8L) 

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Rear Axle  Model 248 (2WD)  6.3 Pts. (3L) 

Limited Slip 
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Differential  Model 248 (4WD)  7.3 Pts. (3.4L) 


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 Model 267 (2WD)  7 Pts. (3.3L) 


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 Model 267 (4WD)  7.8 Pts. (3.6L) 


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 Model 286 (2WD)  6.8 Pts. (3.2L) 


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 Model 286 (4WD)  10.1 Pts. (4.8L) 

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Front Axle  Model 216  6.8 Pts. (3.6L) 

Lubricant 
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 Model 248  7.6 Pts. (3.6L) 

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Transfer Case NV231 HD  2.5 Pts. (1.2L) 

Fluid   

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Power Take  NV021  4.6 Pts. (2.1L) 

Off Adapter   

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Power  Drained  2.7 Pts. (1.3L) 

Steering   

Fluid   

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A/C  Charge Capacity  32 Oz. (.9Kg) 

Refrigerant   

  

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Refrigerant  A/C System Capacity  7.75 Oz. (230ML) 

Oil   

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Fuel Tank 119" & 139" Wheelbase Vehicles 26 Gal. (98L) 


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 All Others  35 Gal. (132L) 

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1) - Capacities are recommended or calculated levels. Always use 

dipstick (if available) to measure level. 
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MISCELLANEOUS NOTES
* Once a month, check tire pressure and look for unusual wear
or damage.
* Once a month, Inspect battery and clean and tighten
terminals as required.
* Once a month, check fluid levels of coolant reservoir,
brake master cylinder, power steering & transmission.
Add fluids as required.
* Once a month, check all lights and all other electrical items
for correct operation

Page 1113 of 1691

 Lubricant   

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Transfer Case NV241 HD  6.5 Pts. (3.1L) 

Fluid   

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Power Take  NV021  4.6 Pts. (2.1L) 

Off Adapter   

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Power  Drained  2.7 Pts. (1.3L) 

Steering   

Fluid   

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A/C  Charge Capacity  32 Oz. (.9Kg) 

Refrigerant   

  

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Refrigerant  A/C System Capacity  7.75 Oz. (230ML) 

Oil   

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Fuel Tank  Capacity  35 Gal. (132L) 

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(
1) - Capacities are recommended or calculated levels. Always use 

dipstick (if available) to measure level. 
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MISCELLANEOUS NOTES
* Once a month, check tire pressure and look for unusual wear
or damage.
* Once a month, inspect battery and clean and tighten
terminals as required.
* Once a month, check fluid levels of coolant reservoir,
brake master cylinder, power steering & transmission.
Add fluids as required.
* Once a month, check all lights and all other electrical items
for correct operation
* Once a month, drain water from fuel filter.
* Once a month, check Filter Minder.
* Once a month, inspect and clean wiper blades as required.

Page 1174 of 1691

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 Model 286 (4WD)  10.1 Pts. (4.8L) 

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Rear Axle  Model 248 (2WD)  6.3 Pts. (3L) 

Limited Slip 
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Differential  Model 248 (4WD)  7.3 Pts. (3.4L) 


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 Model 267 (2WD)  7 Pts. (3.3L) 


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 Model 267 (4WD)  7.8 Pts. (3.6L) 


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 Model 286 (2WD)  6.8 Pts. (3.2L) 


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 Model 286 (4WD)  10.1 Pts. (4.8L) 

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Front Axle  Model 216  6.8 Pts. (3.6L) 

Lubricant 
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 Model 248  7.6 Pts. (3.6L) 

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Transfer Case NV241  5 Pts. (2.7L) 

Fluid 
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 NV241 HD  6.5 Pts. (3.5L) 


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 NV241 HD W/PTO  9 Pts. (4.9L) 

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Power Take  NV021  4.6 Pts. (2.1L) 

Off Adapter   

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Power  Drained  2.7 Pts. (1.3L) 

Steering   

Fluid   

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A/C  Charge Capacity  32 Oz. (.9Kg) 

Refrigerant   

  

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Refrigerant  A/C System Capacity  7.75 Oz. (230ML) 

Oil   

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Fuel Tank 119" & 139" Wheelbase Vehicles 26 Gal. (98L) 


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 All Others  35 Gal. (132L) 

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(
1) - Capacities are recommended or calculated levels. Always use 

dipstick (if available) to measure level. 
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MISCELLANEOUS NOTES
* Once a month, check tire pressure and look for unusual wear
or damage.
* Once a month, Inspect battery and clean and tighten
terminals as required.
* Once a month, check fluid levels of coolant reservoir,
brake master cylinder, power steering & transmission.
Add fluids as required.
* Once a month, check all lights and all other electrical items
for correct operation
* Once a month, Inspect and clean wiper blades as required.
* Twice a year, lubricate the external lock cylinders.