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 MANUALSHYUNDAI1990EXCEL BASE, 2D HATCHBACK, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICAL1.5L 4-CYL - VIN [J]ENGINE SPECIFICATIONSVALVES & VALVE SPRINGS SPECIFICATIONS
1990 Hyundai Excel Base, 2D Hatchback, Standard
Valves & Valve Springs Specifications
1990 Hyundai Excel Base, 2D Hatchback, StandardSECTION Valves & Valve Springs Specifications
VALVES & VALVE SPRINGS SPECIFICATIONS
| Application | Specification | |||||||
|---|---|---|---|---|---|---|---|---|
| Intake Valves | ||||||||
| Face Angle | 45Β° | |||||||
| Minimum Margin | (1) .039" (.99 mm) | |||||||
| Stem Diameter | .260" (6.60 mm) | |||||||
| Exhaust Valves | ||||||||
| Face Angle | 45Β° | |||||||
| Minimum Margin | (2) .028" (.71 mm) | |||||||
| Stem Diameter | .260" (6.60 mm) | |||||||
| Valve Springs | ||||||||
| Free Length | 1.756" (44.60 mm) | |||||||
| Installed Height | 1.417" (35.99 mm) | |||||||
| Out-of-Square | (3) 1.5Β° | |||||||
| Pressure: | Lbs. @ In. (kg @ mm) | |||||||
| Valve Closed | 53 @ 1.075 (24 @ 27.30) | |||||||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.