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.
1985 Buick Skylark Custom, 2.8 W, StandardFACTORY OEM SERVICE PROCEDURE
Torque Specifications: V8
TORQUE SPECIFICATIONS (V8)
| Application | Ft. Lbs. (N.m) | |||
|---|---|---|---|---|
| 5.0L (307") | ||||
| All Models | ||||
| Drive Plate-to-Converter | 35 (47) | |||
| Starter-to-Engine | 30 (41) | |||
| Transmission-to-Engine | 35 (47) | |||
| FWD Models | ||||
| Motor Mount-to-Engine | 75 (102) | |||
| Motor Mount-to-Frame | 50 (68) | |||
| Final Drive-to-Engine Bolt | 75 (102) | |||
| Output Shaft Support-to-Engine | ||||
| Front | 80 (108) | |||
| Rear | 55 (75) | |||
| RWD Models | ||||
| Motor Mount-to-Engine | 75 (102) | |||
| Motor Mount-to-Frame | 35 (47) | |||
| Motor Mount Through Bolt | 55 (75) | |||
| 5.7L (350") Diesel | ||||
| All Models | ||||
| Drive Plate-to-Converter | 40 (54) | |||
| Starter-to-Engine | 35 (47) | |||
| Transmission-to-Engine | 35 (47) | |||
| FWD Models | ||||
| Motor Mount-to-Engine | 66 (89) | |||
| Motor Mount-to-Frame | 52 (71) | |||
| Final Drive-to-Engine Bolt | 66 (89) | |||
| Output Shaft Support-to-Engine | ||||
| Front | 80 (108) | |||
| Rear | 55 (75) | |||
| RWD Models | ||||
| Motor Mount-to-Engine | 74 (100) | |||
| Motor Mount-to-Frame | 37 (50) | |||
| Motor Mount Through Bolt | 55 (75) | |||
Factory Service Tools
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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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