Engine Compression

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2002 Saturn Vue, 2002 Pontiac Montana, 2002 Pontiac Aztek, 2002 Oldsmobile Silhouette, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.

ENGINE COMPRESSION SPECIFICATIONS

Application

Specification - psi (kPa)

Normal Compression Pressure

2.0L

199 (1372.1)

2.2L

Sonoma & S10 Pickup

⁽¹⁾

VUE

185-225 (1275.6-1551.4)

2.5L

199-227 (1372.1-1565.2)

3.0L

180-190 (1241.1-1310.1)

4.2L

215 (1482.4)

4.3L

⁽²⁾

4.8L, 5.3L & 6.0L

Except Sierra & Silverado

⁽¹⁾

Sierra & Silverado

⁽²⁾

5.0L & 5.7L

⁽²⁾

6.5L

⁽²⁾

6.6L

⁽²⁾

All Others

⁽¹⁾

Minimum Compression Pressure

2.0L

170 (1172.2)

2.2L

Sonoma & S10 Pickup

⁽¹⁾

VUE

185 (1275.6)

2.5L

185 (1275.6)

3.0L

100 (689.5)

4.2L

⁽³⁾

4.3L

⁽²⁾

4.8L, 5.3L & 6.0L

Except Sierra & Silverado

⁽¹⁾

Sierra & Silverado

⁽²⁾

5.0L & 5.7L

⁽²⁾

6.5L

⁽⁴⁾ 370 (2551.2)

6.6L

300 (2068.5)

All Others

⁽¹⁾

Compression Variance

2.0L & 2.5L

15 (103.4)

6.6L

50 (344.8)

All Others

⁽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.

⁽³⁾	Lowest compression reading should not be less than 70 percent of highest compression reading.

⁽⁴⁾	Subtract 8 psi (55.2 kPa) for every 1000 ft. (304.8 M) of elevation above seal level. Measurement is taken with cold engine speed of at least 100 RPM, or hot engine speed of at least 180 RPM.