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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 Cadillac Eldorado car and truck
repair procedures including Cadillac engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1993 Cadillac Eldorado automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1993 Cadillac Eldorado
- 1993 Cadillac Eldorado 4.9 V8 GAS, CID:300, Fuel Injection, Aspiration:300, Engine VIN:, Desg:B
- 1993 Cadillac Eldorado Sport 4.6 V8 GAS, CID:281, Fuel Injection, Aspiration:281, Engine VIN:, Desg:Y
- 1993 Cadillac Eldorado Touring 4.6 V8 GAS, CID:281, Fuel Injection, Aspiration:281, Engine VIN:, Desg:9
A/C & HEATER SERVICE PROCEDURES FOR 1993 Cadillac Eldorado AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Cadillac Eldorado cars and light trucks from 1990+
Cooling Fans -> Passenger Cars Except Saturn -> CAVALIER -> 3.1L Engine -> COMPONENT REPLACEMENT -> Coolant Fan Does Not Turn Off With Engine Cool, A/C Mode Selector Off & Ignition Switch In RUN -> Coolant Fan Does Not Turn On -> COOLANT FAN, REPLACE -> DESCRIPTION -> Except 3.1L Engine -> System Check -> System Diagnosis -> SYSTEM DIAGNOSIS & TESTING -> TROUBLESHOOTING
Vehicle: 1993 Cadillac Eldorado 4.9 V8 GAS
DESCRIPTION
The coolant fan is turned on and off by the ECM based on inputs from the coolant temperature sensor, vehicle speed sensor and the A/C system, if equipped. Battery voltage is applied at all times to terminal 1 of the coolant fan relay and, when the ignition switch is in RUN position, battery voltage is applied to terminal 5 of the relay. The ECM energizes the coolant fan relay by grounding circuit 335. The relay energizes and battery voltage is applied to the coolant fan.
TROUBLESHOOTING
- If coolant fan does not operate, check fusible link L and H...
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A/C & HEATER SERVICE PROCEDURES FOR 1993 Cadillac Eldorado AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Cadillac Eldorado cars and light trucks from 1990+
General Service Domestic Vehicles -> 1992-93 -> System Inspection -> COMPRESSOR -> CONDENSER -> EVAPORATOR -> RECEIVER-DRIER -> REFRIGERANT LINE RESTRICTIONS -> THERMOSTATIC EXPANSION VALVE
Vehicle: 1993 Cadillac Eldorado 4.9 V8 GAS
While a detailed diagnostic procedure for all air conditioning systems would be impractical due to the many variations in construction and operation, there are three fundamental components of a total diagnosis:
- Refrigerant systems must have an adequate, but not excessive charge.
- Determination must be made whether the refrigerant system is governed by a cycling clutch compressor or by valves which control evaporator pressure.
- The air distribution system (blower motor, switches, vacuum lines and air ducts) must be operational before checking the refrigera...
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A/C & HEATER SERVICE PROCEDURES FOR 1993 Cadillac Eldorado AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Cadillac Eldorado cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 1993 Cadillac Eldorado Sport 4.6 V8 GAS
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A/C & HEATER SERVICE PROCEDURES FOR 1993 Cadillac Eldorado AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Cadillac Eldorado cars and light trucks from 1990+
Compressor Service -> Harrison HR-6 Compressor -> SHAFT SEAL, REPLACE -> INSTALLATION -> REMOVAL
Vehicle: 1993 Cadillac Eldorado Touring 4.6 V8 GAS
REMOVAL
- Discharge A/C system and loosen and reposition compressor in brackets.
- Remove clutch plate and hub as outlined under "Clutch Plate & Hub, Replace."
- Remove shaft seal retaining ring.
- Clean inside of compressor neck area around shaft, seal seat and shaft to prevent damage to compressor from entry of dirt.
- Place seal protector J-33021 over end of shaft to avoid chipping ceramic seat. Engage knurled tangs of seal seat remover/installer J-23128-A into recessed portion of seal seat by turning handle clockwise. Remove seal seat from compr...
CLICK HERE TO GET FULL ACCESS TO 1993 Cadillac Eldorado A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Cadillac Eldorado AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Cadillac Eldorado cars and light trucks from 1990+
Cooling Fans -> Passenger Cars Except Saturn -> LEMANS -> COMPONENT REPLACEMENT -> Coolant Fan Does Not Run -> Coolant Fan Does Not Run At Low Speed -> Coolant Fan Runs Constantly When Ignition Switch Is In Run -> Cooling Fan, Replace -> DESCRIPTION -> LESS A/C -> System Diagnosis -> SYSTEM DIAGNOSIS & TESTING -> With A/C
Vehicle: 1993 Cadillac Eldorado Sport 4.6 V8 GAS
DESCRIPTION
Less A/C
Cooling fan operation is controlled by an engine temperature switch. When engine temperature reaches 221°F, the switch closes and the fan is energized. As the engine cools, the engine temperature switch opens and the cooling fan stops.
With A/C
Operation of the two-speed cooling fan is controlled by high and low speed cooling fan relays. When the A/C system is turned on, voltage is supplied to the A/C compressor relay, the ECM grounds the compressor relay coil and the low speed fan relay is energized. Voltage is then transferred from fu...
CLICK HERE TO GET FULL ACCESS TO 1993 Cadillac Eldorado A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Cadillac Eldorado AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Cadillac Eldorado cars and light trucks from 1990+
Component Replacement & Adjustment -> Eldorado, Riviera, Seville, Toronado & Trofeo -> PRECAUTIONS -> OIL CHARGE
Vehicle: 1993 Cadillac Eldorado Touring 4.6 V8 GAS
OIL CHARGE
When replacing certain components of an air conditioning system a oil charge must be add...
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