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.
1989 Volvo 760 GLE, AW71FACTORY OEM SERVICE PROCEDURE
Compression Specifications
COMPRESSION SPECIFICATIONS - 4-CYLINDER
| Application | Specification | |
|---|---|---|
| Compression Ratio | ||
| 240 DL/GL, 740 GL | 9.8:1 | |
| 740 GLE | 10.0:1 | |
| 740 Turbo, 760 Turbo | 8.7:1 | |
| Compression Pressure (Minimum) | 128 psi (9 kg/cm2 ) | |
COMPRESSION SPECIFICATIONS - V6
| Application | Specification |
|---|---|
| Compression Ratio | 9.5:1 |
| Compression Pressure (Minimum) | 114-156 psi (8-11 kg/cm2 ) |
Factory Service Tools
Use the Manual With the Right Hardware
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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.