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 MANUALSPONTIAC19871000 2D HATCHBACK, AUTOMATICREPAIR AND DIAGNOSISENGINE MECHANICALMECHANICAL1.6L 4-CYL - VIN [C]ENGINE SPECIFICATIONSPISTON/PIN/RING SPECIFICATIONS
1987 Pontiac 1000 2D Hatchback, Automatic
Piston/Pin/Ring Specifications
1987 Pontiac 1000 2D Hatchback, AutomaticSECTION Piston/Pin/Ring Specifications
PISTONS, PINS, RINGS
| Application | In. (mm) | ||||
|---|---|---|---|---|---|
| Piston Clearance | .0017-.0027 (.043-.069) | ||||
| Pins | |||||
| Piston Fit | .0002-.0010 (.005-.025) | ||||
| Rod Fit | (1) .0007-.0020 (.019-.052) | ||||
| Rings | |||||
| Ring No. 1 | |||||
| End Gap | .010-.018 (.250-.460) | ||||
| Side Clearance | .001-.002 (.030-.068) | ||||
| Ring No. 2 | |||||
| End Gap | .008-.017 (.203-.452) | ||||
| Side Clearance | .001-.003 (.030-.082) | ||||
| Ring No. 3 | |||||
| End Gap | .010-.050 (.250-1.270) | ||||
| Side Clearance | .0003-.0085 (.009-.216) | ||||
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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.