1. Rack and Pinion Assembly: The rack and pinion assembly itself, which includes the rack, pinion gear, and other related parts, can cost anywhere between $200 to $400.
2. Labor: Replacing a rack and pinion typically involves specialized knowledge and tools, so it's recommended to have a professional mechanic perform the installation. Labor costs can vary widely based on the mechanic's hourly rate and the complexity of the job, but you can expect to pay around $200 to $400 for labor.
3. Additional Parts: Depending on the condition of your vehicle, you may also need to replace additional parts such as steering boots, tie rods, or fluid hoses. These additional parts can add another $100 to $200 to the total cost.
4. Alignment: After installing the new rack and pinion, it's essential to get a wheel alignment performed to ensure proper handling and tire wear. Alignment costs can range from $50 to $100.
So, the total cost for a rack and pinion replacement on a 1988 Buick Park Avenue can range from approximately $550 to $1,100, including parts, labor, additional parts, and alignment. It's always advisable to get quotes from multiple mechanics or repair shops before making a decision.