GM Service Manual Online
For 1990-2009 cars only

Engine Code

Engine Size

High Flow

Pressure Relief

Liters Per Minute

Gallons Per Minute

kPa

PSI

L43

2.2L

9.1/10.6

2.4/2.8

7585/8619

1100/1250

LU3 - RWD

4.3L

9.5/11

2.5/2.9

7585/8619

1100/1250

LU3 - 4WD

4.3L

11/12.5

2.9/3.3

9308/10343

1350/1500