GM Service Manual Online
For 1990-2009 cars only

These vehicles use the following two models of steering pumps:

    • The Isuzu Pump with hydraulic brakes
    • The Isuzu Pump with air brakes

The various pumps use remote reservoirs.

The Isuzu 7.8L pump is located on the right side of the engine and incorporates cross over pipes to the left side of the steering gear box.