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 MANUALSGMC1984SUBURBAN K2500, 5.7 M, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 19 (SERVICING - M/T)LUBRICATIONRECOMMENDED FLUID
1984 GMC Suburban K2500, 5.7 M, Standard
Recommended Fluid
1984 GMC Suburban K2500, 5.7 M, StandardSECTION Recommended Fluid
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1992 GMC Yukon, 1992 GMC Vandura Special, 1992 GMC Vandura, 1992 GMC Value Van, and 1992 GMC Sonoma. However, it is still accessible from the selected car via links, so may be relevant.
RECOMMENDED FLUID
| Application | Fluid Type | ||
|---|---|---|---|
| Borg-Warner T5 77mm 5-Speed | (1) Dexron-IIE ATF | ||
| NVG 5LM60 85mm 5-Speed O/D | API GL5 (SAE 80W-90) | ||
| NVG 4500 109mm 5-Speed O/D | GM M/T Synthetic Fluid (12345871) | ||
| Transfer Cases | (1) Dexron-IIE ATF | ||
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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.