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.
Oldsmobile: 1986
1986 OldsmobileSECTION 1986
- Calais FWD
- Ciera
- Ciera Cruiser
- Custom Cruiser RWD V8-307 5.0L
- Cutlass
- Delta 88
- Firenza
- Ninety-Eight V6-231 3.8L
- Toronado V6-231 3.8L
- Calais
- Base, 2D Coupe, 2.5 U, Automatic
- Base, 2D Coupe, 2.5 U, Standard
- Base, 2D Coupe, 3.0 L
- Base, 4D Sedan, 2.5 U, Automatic
- Base, 4D Sedan, 2.5 U, Standard
- Base, 4D Sedan, 3.0 L
- Supreme, 2D Coupe, 2.5 U, Automatic
- Supreme, 2D Coupe, 2.5 U, Standard
- Supreme, 2D Coupe, 3.0 L
- Supreme, 4D Sedan, 2.5 U, Automatic
- Supreme, 4D Sedan, 2.5 U, Standard
- Supreme, 4D Sedan, 3.0 L
- Custom Cruiser
- Cutlass
- 442
- Salon, 3.8 A
- Salon, 5.0 H, 200-4R/MW9
- Salon, 5.0 H, 200C/MV9
- Salon, 5.0 Y, 200-4R/MW9
- Salon, 5.0 Y, 200C/MV9
- Supreme Brougham, 2D Coupe, 3.8 A
- Supreme Brougham, 2D Coupe, 5.0 H, 200-4R/MW9
- Supreme Brougham, 2D Coupe, 5.0 H, 200C/MV9
- Supreme Brougham, 2D Coupe, 5.0 Y, 200-4R/MW9
- Supreme Brougham, 2D Coupe, 5.0 Y, 200C/MV9
- Supreme Brougham, 4D Sedan, 3.8 A
- Supreme Brougham, 4D Sedan, 5.0 H, 200-4R/MW9
- Supreme Brougham, 4D Sedan, 5.0 H, 200C/MV9
- Supreme Brougham, 4D Sedan, 5.0 Y, 200-4R/MW9
- Supreme Brougham, 4D Sedan, 5.0 Y, 200C/MV9
- Supreme, 2D Coupe, 3.8 A
- Supreme, 2D Coupe, 5.0 H, 200-4R/MW9
- Supreme, 2D Coupe, 5.0 H, 200C/MV9
- Supreme, 2D Coupe, 5.0 Y, 200-4R/MW9
- Supreme, 2D Coupe, 5.0 Y, 200C/MV9
- Supreme, 4D Sedan, 3.8 A
- Supreme, 4D Sedan, 5.0 H, 200-4R/MW9
- Supreme, 4D Sedan, 5.0 H, 200C/MV9
- Supreme, 4D Sedan, 5.0 Y, 200-4R/MW9
- Supreme, 4D Sedan, 5.0 Y, 200C/MV9
- Cutlass Ciera
- Brougham, 2D Coupe, 2.5 R
- Brougham, 2D Coupe, 2.8 W, 125C/MD9
- Brougham, 2D Coupe, 2.8 W, 440T4/ME9
- Brougham, 2D Coupe, 2.8 X, 125C/MD9
- Brougham, 2D Coupe, 2.8 X, 440T4/ME9
- Brougham, 2D Coupe, 3.8 3
- Brougham, 4D Sedan, 2.5 R
- Brougham, 4D Sedan, 2.8 W, 125C/MD9
- Brougham, 4D Sedan, 2.8 W, 440T4/ME9
- Brougham, 4D Sedan, 2.8 X, 125C/MD9
- Brougham, 4D Sedan, 2.8 X, 440T4/ME9
- Brougham, 4D Sedan, 3.8 3
- LS, 2D Coupe, 2.5 R
- LS, 2D Coupe, 2.8 W, 125C/MD9
- LS, 2D Coupe, 2.8 W, 440T4/ME9
- LS, 2D Coupe, 2.8 X, 125C/MD9
- LS, 2D Coupe, 2.8 X, 440T4/ME9
- LS, 2D Coupe, 3.8 3
- LS, 4D Sedan, 2.5 R
- LS, 4D Sedan, 2.8 W, 125C/MD9
- LS, 4D Sedan, 2.8 W, 440T4/ME9
- LS, 4D Sedan, 2.8 X, 125C/MD9
- LS, 4D Sedan, 2.8 X, 440T4/ME9
- LS, 4D Sedan, 3.8 3
- S, 2.5 R
- S, 2.8 W, 125C/MD9
- S, 2.8 W, 440T4/ME9
- S, 2.8 X, 125C/MD9
- S, 2.8 X, 440T4/ME9
- S, 3.8 3
- SL Brougham, 2.5 R
- SL Brougham, 2.8 W, 125C/MD9
- SL Brougham, 2.8 W, 440T4/ME9
- SL Brougham, 2.8 X, 125C/MD9
- SL Brougham, 2.8 X, 440T4/ME9
- SL Brougham, 3.8 3
- Cutlass Cruiser
- Delta 88
- Royale Brougham, 2D Coupe, 3.0 L
- Royale Brougham, 2D Coupe, 3.8 3
- Royale Brougham, 2D Coupe, 3.8 B
- Royale Brougham, 4D Sedan, 3.0 L
- Royale Brougham, 4D Sedan, 3.8 3
- Royale Brougham, 4D Sedan, 3.8 B
- Royale, 2D Coupe, 3.0 L
- Royale, 2D Coupe, 3.8 3
- Royale, 2D Coupe, 3.8 B
- Royale, 4D Sedan, 3.0 L
- Royale, 4D Sedan, 3.8 3
- Royale, 4D Sedan, 3.8 B
- Firenza
- Base, 2D Coupe, 1.8 0, Automatic
- Base, 2D Coupe, 1.8 0, Standard
- Base, 2D Coupe, 2.0 P, Automatic
- Base, 2D Coupe, 2.0 P, Standard
- Base, 4D Sedan, 1.8 0, Automatic
- Base, 4D Sedan, 1.8 0, Standard
- Base, 4D Sedan, 2.0 P, Automatic
- Base, 4D Sedan, 2.0 P, Standard
- Cruiser, 1.8 0, Automatic
- Cruiser, 1.8 0, Standard
- Cruiser, 2.0 P, Automatic
- Cruiser, 2.0 P, Standard
- GT, Automatic
- GT, Standard
- LC, 1.8 0, Automatic
- LC, 1.8 0, Standard
- LC, 2.0 P, Automatic
- LC, 2.0 P, Standard
- LX, 1.8 0, Automatic
- LX, 1.8 0, Standard
- LX, 2.0 P, Automatic
- LX, 2.0 P, Standard
- S, 1.8 0, Automatic
- S, 1.8 0, Standard
- S, 2.0 P, Automatic
- S, 2.0 P, Standard
- Ninety-Eight
- Toronado
Database: CHARM
CHARM manuals were retrieved from a set of DVDs released in late 2013. These manuals are usually the most detailed for the years in which they're available, but occasionally have missing or cut-off images.
Database: LEMON
LEMON manuals were retrieved in late 2025, so they have more up to date technical bulletins for example. However, they tend to be less detailed for older vehicles.
RENDER: 1.0x
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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.