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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1989G 30 VAN V8-379 6.2L DSLREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON RING, ENGINE
1989 Chevrolet G 30 Van V8-379 6.2L DSL
Piston Ring, Engine
1989 Chevrolet G 30 Van V8-379 6.2L DSLSECTION Piston Ring, Engine
| End Gap Note: Minimum | Compression | Top | 0.012 Inch (in) |
| Second | 0.029 Inch (in) | ||
| Oil | 0.01 Inch (in) | ||
| Side Clearance | Compression | Top | 0.003-0.039 Inch (in) |
| Second | 0.0015-0.0031 Inch (in) | ||
| Oil | 0.0016-0.0038 Inch (in) |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.