Cylinder Compression Pressure
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2003 Hummer H2, 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 GMC Sierra, and 2003 GMC Savana Special. However, it is still accessible from the selected car via links, so may be relevant.
Check engine mechanical condition with compression gauge, vacuum gauge, or engine analyzer. See engine analyzer manual for specific instructions. For compression specifications, see ENGINE COMPRESSION SPECIFICATIONS table. Install and tighten spark plugs to 11 ft. lbs. (15 N.m).
ENGINE COMPRESSION SPECIFICATIONS
| Application | Specification - psi (kPa) | ||||
|---|---|---|---|---|---|
| Normal Compression Pressure | (1) | ||||
| Minimum Compression Pressure | (1) | ||||
| Compression Variance | (2) | ||||
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