GM Service Manual Online
For 1990-2009 cars only

Engine Code

Engine Size

High Flow

Pressure Relief

LPM

GPM

kPa

PSI

L37

4.6L

7.0/8.9

1.8/2.4

11722/12411

1700/1800

LZ9/LGD

3.9L

9.1/10.6

2.4/2.8

9653/10342

1400/1500