Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK1980REGAL BASE, 3.8L ENG VIN AREPAIR AND DIAGNOSISGENERAL INFORMATIONSPECIFICATIONS INDEXGENERAL SERVICINGSERVICE SPECIFICATIONS
1980 Buick Regal Base, 3.8L Eng VIN A
Service Specifications
1980 Buick Regal Base, 3.8L Eng VIN ASECTION Service Specifications
O.E.M. REFRIGERANT CAPACITIES
| Application | Capacity (Lbs.) | ||
|---|---|---|---|
| American Motors | |||
| AMX, Concord, Eagle & Spirit | 2 | ||
| Pacer | 2 1/8 | ||
| Chrysler Corp. | |||
| Horizon & Omni | 2 1/8 | ||
| All Other Models | 2 5/8 | ||
| Ford Motor Co. | |||
| Bobcat & Pinto | 2 1/4 | ||
| Continental, Ford, Mercury & Mark VI | 3 1/4 | ||
| Granada, Monarch & Versailles | 4 | ||
| All Other Models | 3 1/2 | ||
| General Motors | |||
| Buick | |||
| Century & Riviera | 3 1/2 | ||
| Electra & LeSabre | 3 3/4 | ||
| Skyhawk | 2 1/2 | ||
| Skylark | 2 3/4 | ||
| Cadillac | 3 3/4 | ||
| Chevrolet | |||
| Camaro | 3 1/4 | ||
| Chevette | 2 1/4 | ||
| Citation | 2 3/4 | ||
| Corvette | 3 | ||
| Monza | 3 1/2 | ||
| All Other Models | 3 3/4 | ||
| Oldsmobile | |||
| Omega | 2 3/4 | ||
| Starfire | 2 1/2 | ||
| Toronado | 3 1/2 | ||
| All Other Models | 3 3/4 | ||
| Pontiac | |||
| Bonneville & Catalina | 3 3/4 | ||
| Firebird | 3 1/4 | ||
| Phoenix | 2 3/4 | ||
| Sunbird | 2 1/2 | ||
| All Other Models | 3 1/2 | ||
COMPRESSOR OIL CHARGE (TOTAL SYSTEM CAPACITY)
| Compressor | Capacity | |||
|---|---|---|---|---|
| Frigidaire | ||||
| 4 Cyl. | 5.5-6.5 oz. | |||
| 6 Cyl. | 10.5 oz. | |||
| Nippondenso 6 Cyl. | ||||
| Chrysler Corp. Systems | 9-10 oz. | |||
| Ford Motor Co. Systems | 13 oz. | |||
| York 2 Cyl. | ||||
| American Motors Systems | (1)7 oz. | |||
| Ford Motor Co. Systems | (1)10 oz. | |||
|
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COMPRESSOR BELT TENSION
| Application | (1)Tension (Lbs.) | ||||||
|---|---|---|---|---|---|---|---|
| New Belt | Used Belt | ||||||
| American Motors | 125-155 | 90-115 | |||||
| Chrysler Corp. | 120 | 65 | |||||
| Ford Motor Co. | 140 | 110 | |||||
| General Motors | |||||||
| Buick | |||||||
| Skylark | |||||||
| 4 Cyl. Engine | 135-165 | 80 | |||||
| V6 Engine | 170 | 95 | |||||
| All Other Models | |||||||
| 5/16" Belt | 80 | 50 | |||||
| 3/8" Belt | 140 | 70 | |||||
| 15/16" Belt | 165 | 90 | |||||
| Cadillac | 110-140 | 60-120 | |||||
| Chevrolet | |||||||
| Chevette & Corvette | 140 | 95 | |||||
| Citation | |||||||
| 4 Cyl. Engine | 135-165 | 80 | |||||
| V6 Engine | 170 | 95 | |||||
| All Other Models | |||||||
| 229" V6 Engine | 140 | 90 | |||||
| All Other Engines | 165 | 95 | |||||
| Oldsmobile | |||||||
| Omega | |||||||
| 4 Cyl. Engine | 135-165 | 80 | |||||
| V6 Engine | 170 | 95 | |||||
| All Other Models | |||||||
| 5/16" Belt | 80 | 50 | |||||
| 3/8" Belt | 140 | 70 | |||||
| 15/16" Belt | 165 | 90 | |||||
| Pontiac | |||||||
| Phoenix | |||||||
| 4 Cyl. Engine | 135-165 | 80 | |||||
| V6 Engine | 170 | 95 | |||||
| All Other Models | |||||||
| 4 Cyl. Engine | 120-130 | 70-80 | |||||
| V6 & V8 Engines | 135-145 | 90-100 | |||||
|
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COMPONENT OIL REPLACEMENT QUANTITIES
| Component | Quantity | |||
|---|---|---|---|---|
| Accumulator | (1) | |||
| Condenser | 1 oz. | |||
| Evaporator | ||||
| American Motors Systems | 1 oz. | |||
| Chrysler Corp. Systems | 2 oz. | |||
| All Other Systems | 3 oz. | |||
| Receiver-Drier | 1 oz. | |||
|
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AMBIENT TEMPERATURE-PRESSURE
| Ambient Temperature(1) | High Side Pressure (PSI) | ||
|---|---|---|---|
| 60 | 95-115 | ||
| 55 | 105-125 | ||
| 70 | 115-135 | ||
| 75 | 130-150 | ||
| 80 | 150-170 | ||
| 85 | 165-185 | ||
| 90 | 175-195 | ||
| 95 | 185-205 | ||
| 100 | 210-230 | ||
| 105 | 230-250 | ||
| 110 | 250-270 | ||
| 115 | 265-285 | ||
| 120 | 280-310 | ||
|
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NORMAL SYSTEM OPERATING PRESSURES(1)
| Application | Low Side Gauge (Evap. Suction) | High Side Gauge (Discharge) | |||
|---|---|---|---|---|---|
| American Motors | 15-24 | 208-250 | |||
| Chrysler Corp. | 20-30 | 140-240 | |||
| Ford Motor Co. | |||||
| Accumulator System | 24-52 | 160-200 | |||
| STV System | 72.5-30.5 | 175-195 | |||
| General Motors | 24-35 | 150-220 | |||
|
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EVAPORATOR TEMPERATURE-PRESSURE
| Evap. Temp.(1) | Low Side Pressure (PSI) | ||
|---|---|---|---|
| 2 | 10 | ||
| 6 | 12 | ||
| 10 | 14 | ||
| 14 | 16 | ||
| 18 | 18 | ||
| 20 | 20 | ||
| 22 | 22 | ||
| 24 | 24 | ||
| 27 | 26 | ||
| 29 | 28 | ||
| 32 | 30 | ||
| 36 | 35 | ||
| 42 | 40 | ||
| 48 | 45 | ||
| 53 | 50 | ||
| 58 | 55 | ||
| 62 | 60 | ||
| 66 | 65 | ||
| 70 | 70 | ||
|
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.