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.
Coolant Specifications: Maintenance
Inspect cooling system every 12 months or 15,000 miles. Drain and flush cooling system every 24 months or 30,000 miles. Maintain coolant level with 50% mixture of ethylene glycol based anti-freeze and low mineral content water in all seasons.
| Application | Quarts (L) | ||
|---|---|---|---|
| 1.9L | 9.5 (9.0) | ||
| 2.2L Diesel | |||
| Standard | 11.5 (11.0) | ||
| Heavy Duty or A/C | 12.0 (11.5) | ||
| 2.5L | 10.0 (9.5) | ||
| 2.8L | 12.0 (11.5) | ||
| 4.3L | |||
| Astro/Safari Models | 13.5 (12.8) | ||
| "C" & "K" Models | 10.9 (10.3) | ||
| "G" Models | 11.1 (10.5) | ||
| 4.8L | |||
| "P" Models | 13.8 (13.1) | ||
| All Other Models | 15.5 (14.7) | ||
| 5.0L & 5.7L | |||
| "P" Models | 15.5 (14.6) | ||
| "G" Models | 17.0 (16.0) | ||
| All Other Models | |||
| With A/C | 18.0 (17.0) | ||
| Without A/C | 17.5 (16.6) | ||
| 6.2L Diesel | |||
| "C" & "K" Models | 25.0 (23.7) | ||
| "G" Models | |||
| VIN C | 24 (22.7) | ||
| VIN J | 25.6 (24.2) | ||
| "P" Models | |||
| Forward Control Chassis | 25 (23.7) | ||
| Motor Home Chassis | 24.7 (23.4) | ||
| 7.4L | |||
| "C" & "K" Models | |||
| With A/C | 24.5 (23.2) | ||
| Without A/C | 23.0 (21.8) | ||
| "P" Models | 22.5 (21.3) | ||
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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