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)

C15 Pickup with vacuum brakes. 7200 GVW

L35/LU3

LR4

LM7/L59

4.3L

4.8L

5.3L

10.9/12.4

2.9/3.3

9825/10514

1425/1525

K 15 Pickup with vacuum brakes, 7200 GVW

L35/LU3

LR4

LM7/L59

4.3L

4.8L

5.3L

10.2/11.7

2.7/3.1

9825/10514

1425/1525

K 15, Sierra Denali with vacuum brakes

LQ4

6.0L

1.32/14.7

3.5/3.9

9825/10514

1425/1525

C/K pickup 15HD/25/25HD/35 with hydroboost

LQ4

6.0L

13.2/14.7

3.5/3.9

9825/10514

1425/1525

C/K pickup 25/25HD/35

LB7

L18

6.6L Diesel

8.1L

13.2/14.7

3.5/3.9

9825/10514

1425/1525