LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (Engine Controls - Basic Diagnostic Procedures - 8.1L) >> Preliminary Inspection & Adjustments >> Mechanical Inspection >> Cylinder Compression Pressure

Cylinder Compression Pressure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Suburban, and 2003 Chevrolet Silverado. 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)
(1) Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi (689.5 kPa).
(2) Information is not available from manufacturer.