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 MANUALSBUICK1996ROADMASTER BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALCOOLING SYSTEM (MECHANICAL)ENGINE COOLING SYSTEM SPECIFICATIONSSPECIFICATIONS
1996 Buick Roadmaster Base
Cooling System Specifications
1996 Buick Roadmaster BaseSECTION Specifications
COOLING SYSTEM SPECIFICATIONS
| Application | Specification | |||
|---|---|---|---|---|
| Coolant Replacement Interval | ||||
| 1996 | 100,000 Miles | |||
| 1997 | 150,000 Miles | |||
| Coolant Capacity (1) | ||||
| 1.9L | 7.0 Qts. (6.6L) | |||
| 2.2L "A" Body | 8.7 Qts. (8.3L) | |||
| 2.2L "L" & "N" Bodies | 13.1 Qts. (12.4L) | |||
| 2.2L All Others | 10.5 Qts. (10.0L) | |||
| 2.4L "J" Body | 10.5 Qts. (10.0L) | |||
| 2.4L "N" Body | 11.3 Qts. (10.7L) | |||
| 3.0L | 10.6 Qts. (10.0L) | |||
| 3.1L "A" Body | 11.6 Qts. (11.0L) | |||
| 3.1L "L" & "N" Bodies | 13.6 Qts. (12.9L) | |||
| 3.1L "W" Body (1996) W/3T40 A/T | 12.7 Qts. (12.0L) | |||
| 3.1L "W" Body (1996) W/4T60-E A/T | 12.5 Qts. (11.8L) | |||
| 3.1L "W" Body (1997) Century | 11.0 Qts. (10.4L) | |||
| 3.1L "W" Body (1997) Grand Prix & Regal | 11.0 Qts. (10.4L) | |||
| 3.1L "W" Body (1997) Cutlass Supreme, Lumina | 13.6 Qts. (12.9L) | |||
| 3.1L "W" Body (1997) Monte Carlo | 13.6 Qts. (12.9L) | |||
| 3.4L | 12.3 Qts. (11.6L) | |||
| 3.8L (1996) Except "W" Body | 13.0 Qts. (12.3L) | |||
| 3.8L (1996) "W" Body | 10.7 Qts. (10.1L) | |||
| 3.8L (1997) "C", "G" & "H" Bodies | 13.0 Qts. (12.3L) | |||
| 3.8L (1997) "F" Body A/T | 12.3 Qts. (11.6L) | |||
| 3.8L (1997) "F" Body M/T | 12.5 Qts. (11.8L) | |||
| 3.8L (1997) "W" Body | 10.2 Qts. (9.6L) | |||
| 4.0L | 13.0 Qts. (12.3L) | |||
| 4.6L | 12.5 Qts. (11.8L) | |||
| 4.3L (1996) With Heavy Duty Cooling | 18.1 Qts. (17.1L) | |||
| 4.3L (1996) Without Heavy Duty Cooling | 17.9 Qts. (16.8L) | |||
| 4.6L (1996) | 12.5 Qts. (11.8L) | |||
| 5.7L "B" Body (1996) W/Heavy Duty Cooling | 16.9 Qts. (15.9L) | |||
| 5.7L "B" Body (1996) W/O Heavy Duty Cooling | 16.4 Qts. (15.5L) | |||
| 5.7L "D" Body (1996) W/Heavy Duty Cooling | 17.2 Qts. (16.3L) | |||
| 5.7L "D" Body (1996) W/O Heavy Duty Cooling | 16.8 Qts. (15.9L) | |||
| 5.7L "F" Body A/T | 15.1 Qts. (14.3L) | |||
| 5.7L "F" Body M/T | 15.3 Qts. (14.5L) | |||
| 5.7L "Y" Body (1996) | 17.8 Qts. (16.9L) | |||
| 5.7L "Y" Body (1997) A/T | 12.0 Qts. (11.4L) | |||
| 5.7L "Y" Body (1997) M/T | 12.4 Qts. (11.7L) | |||
| Pressure Cap | ||||
| "L" Body | 18 psi | |||
| Saturn | 18 psi All | |||
| Others | 15 psi | |||
| Thermostat | ||||
| Bonneville, Eighty Eight Starts To Open | 196°F (91°C) | |||
| Bonneville, Eighty Eight Fully Opens | 223°F (106°C) | |||
| LeSabre Starts To Open | 196°F (91°C) | |||
| LeSabre Fully Opens | 223°F (106°C) | |||
| Ninety Eight & Park Avenue Starts To Open | 196°F (91°C) | |||
| Ninety Eight & Park Avenue Fully Opens | 223°F (106°C) | |||
| Corvette Starts To Open | 185°F (85°C) | |||
| Corvette Fully Opens | 217°F (103°C) | |||
| All Others Starts To Open | 189°F (87°C) | |||
| All Others Fully Opens | 207°F (97°C) | |||
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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.