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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 Pontiac Grand Prix car and truck
repair procedures including Pontiac 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 Pontiac Grand Prix automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1993 Pontiac Grand Prix
- 1993 Pontiac Grand Prix LE 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T
- 1993 Pontiac Grand Prix LE 3.4 V6 GAS, CID:207, Fuel Injection, Aspiration:207, Engine VIN:, Desg:X
- 1993 Pontiac Grand Prix SE 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T
- 1993 Pontiac Grand Prix SE 3.4 V6 GAS, CID:207, Fuel Injection, Aspiration:207, Engine VIN:, Desg:X
- 1993 Pontiac Grand Prix STE 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T
- 1993 Pontiac Grand Prix STE 3.4 V6 GAS, CID:207, Fuel Injection, Aspiration:207, Engine VIN:, Desg:X
- 1993 Pontiac Grand Prix GT 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T
- 1993 Pontiac Grand Prix GT 3.4 V6 GAS, CID:207, Fuel Injection, Aspiration:207, Engine VIN:, Desg:X
- 1993 Pontiac Grand Prix 3.4 V6 GAS, CID:207, Fuel Injection, Aspiration:207, Engine VIN:, Desg:X
A/C & HEATER SERVICE PROCEDURES FOR 1993 Pontiac Grand Prix 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 Pontiac Grand Prix cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 1993 Pontiac Grand Prix STE 3.1 V6 GAS
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A/C & HEATER SERVICE PROCEDURES FOR 1993 Pontiac Grand Prix 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 Pontiac Grand Prix cars and light trucks from 1990+
Cooling Fans -> Passenger Cars Except Saturn -> BONNEVILLE -> COMPONENT REPLACEMENT -> Coolant Fan Input Test -> Coolant Fan, Replace -> DESCRIPTION -> High Speed Coolant Fan Input Test -> Lefthand Coolant Fan Does Not Operate In High Speed w/A/C Head Pressure Above 210 psi -> Lefthand Coolant Fan Runs Continuously In High Speed w/Ignition Switch At Run, Engine Coolant Cool & A/C Off -> Lefthand Coolant Fan Runs Continuously In Low Speed w/Ignition Switch At Run, Engine Coolant Cool & A/C Off -> Low Speed Coolant Fan Input Test -> System Check -> System Diagnosis -> SYSTEM DIAGNOSIS & TESTING -> TROUBLESHOOTING
Vehicle: 1993 Pontiac Grand Prix LE 3.1 V6 GAS
DESCRIPTION
Two coolant fans, wired in parallel, operate whenever cooling is required.
The Powertrain Control Module (PCM) has two coolant fan control terminals, one for high speed and one for low speed. When the PCM's low speed control closes at connector C3, terminal C4, it grounds the low speed coolant fan relay coil. When the ignition switch is in the run position and relay contacts close, voltage is supplied to the coolant fans. The coolant fan resistors drop the voltage to the lefthand coolant fan, causing it to run in low speed. The righthand coolant fan runs a...
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A/C & HEATER SERVICE PROCEDURES FOR 1993 Pontiac Grand Prix 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 Pontiac Grand Prix cars and light trucks from 1990+
Cooling Fans -> Passenger Cars Except Saturn -> ACHIEVA -> 2.3L Engine -> 3.3L Engine -> COMPONENT REPLACEMENT -> Coolant Fan Does Not Turn Off w/Engine Coolant Cool, A/C Mode Selector Off And Ignition Switch In Run -> Coolant Fan Does Not Turn On -> COOLANT FAN, REPLACE -> DESCRIPTION -> System Check -> System Diagnosis -> SYSTEM DIAGNOSIS & TESTING -> TROUBLESHOOTING
Vehicle: 1993 Pontiac Grand Prix SE 3.1 V6 GAS
DESCRIPTION
The coolant fan is controlled by the engine control module (ECM) via the coolant fan relay. The ECM receives input signals from the coolant temperature sensor (CTS), vehicle speed sensor and the A/C mode selector. The ECM activates the coolant fan relay when the engine coolant temperature exceeds 227°F, the air conditioning is turned on or if the coolant temperature sensor fails when vehicle speed is below 35 mph by grounding circuit 535 or 536. When circuit 535 or 536 is grounded, the coolant fan relay energizes, applying battery voltage to the coolant fan. The ...
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A/C & HEATER SERVICE PROCEDURES FOR 1993 Pontiac Grand Prix 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 Pontiac Grand Prix 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 Pontiac Grand Prix LE 3.1 V6 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...
CLICK HERE TO GET FULL ACCESS TO 1993 Pontiac Grand Prix A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Pontiac Grand Prix 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 Pontiac Grand Prix cars and light trucks from 1990+
General Service Domestic Vehicles -> 1992-93 -> Evacuate System -> Using Charging Station -> With Vacuum Pump
Vehicle: 1993 Pontiac Grand Prix 3.4 V6 GAS
With Vacuum Pump
Vacuum pumps suitable for removing air and moisture from A/C systems are commercially available. A specification for system pumpdown used here is 28-291/2 inches vacuum. This reading can be attained at or near sea level only. For each 1000 feet of altitude this operation is performed, the reading will be 1 inch vacuum higher. For example, at 5000 feet elevation, only 23-241/2 inches of vacuum can be obtained. The system must be completely discharged before it can be evacuated. Damage to the vacuum pump will result if pressurized refrigerant is allowe...
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A/C & HEATER SERVICE PROCEDURES FOR 1993 Pontiac Grand Prix 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 Pontiac Grand Prix cars and light trucks from 1990+
General Service Domestic Vehicles -> 1992-93 -> Oil Charge -> 1992 Colt & Summit -> 1992 Colt Vista & Summit Wagon Compressor -> 1993 Colt & Summit -> 1993 Probe -> Abrupt Loss Of Refrigerant -> Capri -> Cherokee, Comanche & Wrangler -> Chrysler Corp. -> Concorde, Intrepid & Vision -> D/W 150-350 & Ramcharger -> Dakota & Rear Wheel Drive Van -> Except Capri, Festiva & 1993 Probe -> Except Colt, Colt Vista, Concorde, Intrepid, Laser, Monaco, Premier, Stealth, Summit, Summit Wagon, Talon & Vision -> Festiva -> Ford FX-15 Axial 10 Cylinder Compressor -> Ford Motor Company -> Front Wheel Drive Van -> General Motors Corp. -> Grand Cherokee -> Laser & Talon -> Light Trucks & Vans -> Monaco & Premier -> Nippondenso 10P13 Compressor -> Nippondenso 10P15 Series Compressors -> Nippondenso 6P148 Compressors -> Non Leak Condition -> Passenger Cars -> Ram 50 -> Saturn -> Stealth
Vehicle: 1993 Pontiac Grand Prix SE 3.4 V6 GAS
General Motors Corp.
Passenger Cars
Non Leak Condition
- Discharge system, then measure amount of oil collected in discharge container. If more than 1/2 ounce of oil is collected when discharging system, an equal amount of new refrigeration oil must be added to the system.
- Remove defective components. Drain and measure oil remaining in compressor or accumulator, if removed.
- Add the proper amount of oil to each replacement component as follows:
- On HR-6, HR100T/HR110T, R-4, V5 and Prizm compressors, drain oil from old compresso...
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