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 MANUALSPONTIAC1991SUNBIRD SE, 3.1 T, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESPECIFICATIONSENGINE CONTROLS - SPECIFICATIONS - 4-CYLCAPACITIES

1991 Pontiac Sunbird SE, 3.1 T, Standard

Engine Controls - Specifications - 4-CYL: Capacities

1991 Pontiac Sunbird SE, 3.1 T, StandardSECTION Capacities

BATTERY SPECIFICATIONS

Application	Cold Crank Amps @ 0°F (-18°C)	Reserve Minutes
2.0L (VIN K)	630	90
2.2L (VIN G)	630	90
2.3L (VIN A & D)	630	90
2.5L (VIN R & U)	630	90

FLUID CAPACITIES

Application

⁽¹⁾ Quantity - Qts. (L)

Crankcase ⁽²⁾

2.0L (VIN K)

4.0 (3.8)

2.2L (VIN G)

4.0 (3.8)

2.3L (VIN A & D)

4.0 (3.8)

2.5L (VIN R & U)

4.0 (3.8)

Cooling System (Includes Heater)

2.0L (VIN K)

11.7 (11.1)

2.2L (VIN G)

11.7 (11.1)

2.3L (VIN A & D)

9.2 (8.7)

2.5L (VIN R)

9.9 (9.4)

2.5L (VIN U)

7.8 (7.4)

Automatic Transaxle/Transmission ⁽³⁾⁽⁴⁾

2.0L (VIN K)

4.0 (3.8)

2.2L (VIN G)

4.0 (3.8)

2.3L (VIN D)

3T40

7.0 (6.6)

4T60

6.0 (5.7)

2.5L (VIN R)

3T40

7.0 (6.6)

4T60

6.0 (5.7)

2.5L (VIN U)

4.0 (3.8)

Manual Transaxle/Transmission

2.0L (VIN K)

⁽⁵⁾ 2.0 (1.9)

2.2L (VIN G)

⁽⁵⁾ 2.0 (1.9)

2.3L (VIN A & D)

⁽⁵⁾ 2.0 (1.9)

2.5L (VIN U)

⁽⁵⁾ 2.0 (1.9)

⁽¹⁾	Fluid capacities listed are approximate. Always fill to FULL mark.

⁽²⁾	Does not include filter capacity.

⁽³⁾	Drain and refill capacity only. Does not include torque converter.

⁽⁴⁾

Dexron-II

⁽⁵⁾	Synchromesh Transmission Fluid (GM 12345349).

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.