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 (new style flow control valve has "AA" stamped into the fitting)

L35

LR4

LM7

4.3L

4.8L

5.3L

10.9/12.4

2.9/3.3

9825/10514

1425/1525

C15 Pickup with vacuum brakes (old style flow control valve has "O" stamped into the fitting)

L35

LR4

LM7

4.3L

4.8L

5.3L

13.2/14.7

3.5/3.9

9825/10514

1425/1525

C15 Suburban with vacuum brakes

LM7

5.3L

10.2/11.7

2.7/3.1

9825/10514

1425/1525

C25 Pickup/Suburban with hydroboost

LM7

LQ4

5.3L

6.0L

13.2/14.7

3.5/3.9

9825/10514

1425/1525

C/K 25/35 Pickup

L18

8.1L

13.2/14.7

3.5/3.9

9825/10514

1425/1525

C/K 35 Pickup with hydroboost

LB7

6.6L Diesel

13.2/14.7

3.5/3.9

9825/10514

1425/1525

K15 Pickup with vacuum brakes

L35

LR4

LM7

LQ4

4.3L

4.8L

5.3L

6.0L

10.2/11.7

2.7/3.1

9825/10514

1425/1525

K15 Utility/Suburban with JC5

LR4

LM7

LQ4

4.8L

5.3L

6.0L

6.2/14.3

1.65/3.8

9308/9997

1425/1525

K15 Luxury Utility Export with hydroboost

LQ4

6.0L

6.8/14.3

1.8/3.8

9825/10514

1425/1525