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.
1995 Eagle Summit DLFACTORY OEM SERVICE PROCEDURE
Engine Compression
WARNING: This page is about a different car, the 1996 Mitsubishi Diamante, 1996 Mitsubishi 3000GT, and 1996 Dodge Stealth. However, it is still accessible from the selected car via links, so may be relevant.
Check engine compression with engine at normal operating temperature, all spark plugs removed and throttle wide open.
COMPRESSION SPECIFICATIONS
| Application (1) | Specification | ||||
|---|---|---|---|---|---|
| Compression Ratio | |||||
| 3.0L (VIN H) | |||||
| Diamante | 10.0:1 | ||||
| Stealth | 8.9:1 | ||||
| 3.0L (VIN J) | 10.0:1 | ||||
| 3.0L (VIN K) | 8.0:1 | ||||
| Compression Pressure | |||||
| 3.0L (VIN H) | |||||
| Diamante | 196 psi (13.8 kg/cm2 ) | ||||
| Except Diamante | 171 psi (12.0 kg/cm2 ) | ||||
| 3.0L (VIN J) | 185 psi (13.0 kg/cm2 ) | ||||
| 3.0L (VIN K) | 156 psi (10.9 kg/cm2 ) | ||||
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm2 ) | ||||
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Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.