Here's a general outline. Always consult a repair manual specific to your 1999 Pontiac Venture for detailed instructions, torque specifications, and diagrams. This information is for guidance only and may not be perfectly accurate for your specific vehicle's configuration.
1. Preparation:
* Safety First: Wear safety glasses and gloves. Power steering fluid is messy and can irritate skin and eyes.
* Gather Tools: You'll need wrenches (metric), possibly a socket set, pliers, a drain pan, rags or shop towels, a new power steering hose (get the correct part number from a parts store – providing your VIN is helpful!), possibly hose clamps, and a funnel. A power steering fluid flush kit might be a good idea to refresh the system afterward.
* Identify the Hose: Pinpoint the *specific* hose that needs replacing. There are usually several hoses in the power steering system.
* Vehicle Support: Secure the vehicle safely on jack stands. Never work under a vehicle supported only by a jack.
2. Draining Fluid:
* Locate the Power Steering Reservoir: It's usually a plastic tank.
* Drain Some Fluid: Open the reservoir cap carefully and drain some fluid into your drain pan. This reduces the mess and pressure when you disconnect the hose.
3. Hose Removal:
* Disconnect the Hose: Locate the hose clamps securing the damaged hose. Use the appropriate pliers to loosen and remove the clamps. You'll likely need to carefully pry the hose from its fittings. Be prepared for fluid spillage.
* Note the Routing: Pay close attention to how the hose is routed. Take pictures or make notes; this will be crucial for reassembly.
4. Hose Installation:
* Install the New Hose: Carefully slide the new hose onto the fittings, making sure it's correctly seated.
* Secure with Clamps: Replace the hose clamps and tighten them securely (but don't overtighten).
* Check for Leaks: Inspect all connections for leaks.
5. Refill and Bleed:
* Refill the Reservoir: Add new power steering fluid to the reservoir, checking the fluid level frequently. Use the recommended type of fluid for your vehicle.
* Bleed the System (Very Important): This step removes air bubbles from the system. The bleeding procedure varies by vehicle. Your repair manual is crucial here. It often involves turning the steering wheel lock-to-lock several times while someone keeps the reservoir topped off.
6. Test and Final Inspection:
* Start the Engine: With the engine running, check for leaks around the hose connections.
* Test Steering: Check the power steering operation. It should feel smooth and responsive.
* Top Off Fluid: If necessary, top off the power steering fluid to the correct level.
Important Considerations:
* High-Pressure Lines: Some power steering lines are high-pressure lines. These are more difficult to work with and require extra caution. If you are unsure, consider seeking professional help.
* Professional Help: If you are not comfortable working on your vehicle's power steering system, take it to a qualified mechanic. Improper repair could lead to further damage or injury.
This is a simplified overview. Always refer to your vehicle's repair manual for detailed instructions specific to your 1999 Pontiac Venture. The manual will have diagrams, torque specifications, and specific procedures for bleeding the power steering system. Safety is paramount; if you are unsure, get professional help.