GM Service Manual Online
For 1990-2009 cars only

Engine Code

Engine Size

High Flow (Liters Per Minute)

High Flow (Gallons Per Minute)

Pressure Relief (kPa)

Pressure Relief (PSI)

L18

L65

8.1L

6.5L Diesel

13.2/14.7

3.5/3.9

10101/10445

1465/1515