Here's a general outline. Remember, this is a *summary* and you'll need a detailed repair manual specific to your vehicle's year and engine for precise instructions and torque specifications. Improper torque can lead to leaks or damage.
Tools You'll Likely Need:
* Repair Manual: Absolutely essential! A Haynes or Chilton manual specific to your 1995 Camaro Z28 is crucial.
* Jack and Jack Stands: Safety first! Secure the vehicle properly.
* Socket Set and Wrenches: A variety of sizes, including metric and possibly SAE.
* Ratchet and Extensions: To reach difficult-to-access bolts.
* Torque Wrench: Essential for proper tightening of bolts to prevent leaks and damage.
* New Water Pump: Make sure it's the correct one for your LT1 engine.
* New Gasket(s): The water pump will require a new gasket. Check for others that might be necessary (thermostat housing, etc.).
* New Thermostat (Optional but Recommended): While you're in there, replacing the thermostat is a good preventative measure.
* Coolant: The correct type for your vehicle.
* Drain Pan: To catch the coolant.
* Pliers: For various tasks.
* Screwdrivers: Phillips and possibly flathead.
* Clean Rags or Shop Towels: To keep things clean and dry.
General Steps (Consult your repair manual for specifics):
1. Safety First: Disconnect the negative battery cable.
2. Drain Coolant: Drain the engine coolant completely into a suitable drain pan. Locate the drain plug at the bottom of the radiator.
3. Remove Accessory Components: This is where the repair manual is critical. You'll likely need to remove the serpentine belt, fan, and possibly other components (like the pulley) to access the water pump.
4. Remove the Water Pump: Carefully remove the bolts securing the water pump to the engine block. The pump might be stubborn; use penetrating oil if needed.
5. Replace the Gasket: Remove the old gasket and thoroughly clean the mating surfaces on both the engine block and the new water pump.
6. Install the New Water Pump: Carefully install the new water pump with the new gasket, ensuring it's seated correctly. Tighten the bolts to the manufacturer's specifications using your torque wrench.
7. Reinstall Components: Reinstall the fan, serpentine belt, and any other components you removed in reverse order.
8. Refill Coolant: Carefully refill the cooling system with the correct type of coolant. Bleed the air from the system following the instructions in your repair manual. This is crucial to prevent overheating.
9. Start the Engine: Once the system is full and bled, start the engine and check for leaks. Let it run for a while to ensure the temperature gauge is stable.
10. Final Check: Inspect for leaks after the engine has cooled. Top off the coolant if necessary.
Important Considerations:
* Torque Specifications: Use a torque wrench and follow the specifications in your repair manual precisely. Over-tightening can crack the engine block or the water pump.
* Coolant Type: Use the correct type of coolant specified for your vehicle. Mixing different types can cause problems.
* Air Bubbles: Make sure you bleed the air out of the cooling system properly to prevent overheating.
This is a simplified overview. Always consult a detailed repair manual for your specific vehicle before attempting this repair. If you're uncomfortable with any part of this process, take your car to a qualified mechanic. A botched water pump replacement can lead to serious engine damage.