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 MANUALSBUICK1988SKYHAWK BASE, 4D WAGON, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEADJUSTMENTTUNE-UP - 4-CYLSPARK PLUGS
1988 Buick Skyhawk Base, 4D Wagon, Automatic
Spark Plugs
1988 Buick Skyhawk Base, 4D Wagon, AutomaticSECTION Spark Plugs
SPARK PLUG TYPE
| Application | AC No. |
|---|---|
| 2.0L (VIN K & M) | R44XLS6 |
| 2.0L (VIN 1) | R44LTSM |
| 2.3L (VIN D) | FR3LS |
| 2.5L | R44TSX |
SPARK PLUG INSTALLATION
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|---|---|
| 2.0L (VIN 1) | .035 (.9) | 15 (20) |
| 2.0L (VIN K & M) | .060 (1.5) | 15 (20) |
| 2.3L (VIN D) | .035 (.9) | 15 (20) |
| 2.5L | .060 (1.5) | 15 (20) |
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.