GM Service Manual Online
For 1990-2009 cars only

Vehicle

Engine Code

Engine Size

High Flow (Liters per Minute)

High Flow (Gallons per Minute)

Pressure Relief (kPa)

Pressure Relief (PSI)

C/K 15/25 Utility

LR4

LM7

LQ4

L18

4.8L

5.3L

6.0L

8.1L

13.2/14.7

3.5/3.9

9825/10514

1425/1525