Power Steering Hose Quick Connect Fitting Replacement for GMC Truck TopKick C-Series (Conventional) C4/C5 2003

Tools Required

J 42971 Quick Connect Release Tool

Notice: Do not start the vehicle with any power steering gear inlet or outlet hoses disconnected. When disconnected, plug or cap all openings of components. Failure to do so could result in contamination or loss of power steering fluid and damage to the system.

Important: If leakage is observed, the fitting must be replaced.

Important: Clean the release collar and surrounding area before disconnecting the fitting.

1. Always lubricate the tool end in power steering fluid when inserting the tool end into the coupling.

Place a container under the vehicle in order to catch the fluid when disconnecting the hose.




2. Lubricate and carefully insert the appropriate end of J 42971 behind the release collar.



3. Pull the hose assembly (1) out of the mating connector (3).
4. Inspect the male fitting (1), the female fitting (3), and the release collar (2) for the following conditions:

•

Nicks

•

Scratches

•	Flat spots

•	Damaged O-rings

•	Damaged release collar

5. Replace the fitting assembly if any of the above conditions exist.

1. Align the male fitting (1) with the female fitting (3).

Important: Check the quick connections by trying to pull the hose assembly out of the fitting. Use a firm hand tug. Repeat the step if the connector is pulled apart. If the problem continues, replace the necessary components.

2. Push the fittings together until a definite snap and a solid stop are felt.
3. Fill the power steering system. Refer to Fluid and Lubricant Recommendations .
4. Bleed the power steering system. Refer to Power Steering System Bleeding .
5. Remove the drain pan and check the power steering system for leaks.