1. Disconnect the Battery:
- Disconnect the negative terminal of your vehicle's battery to avoid any electrical accidents during the process.
2. Drain the Coolant:
- Place a drain pan under the vehicle and locate the drain plug or petcock on the radiator or engine block.
- Open the drain plug and allow the coolant to drain completely.
3. Locate the Heater Pipe:
- Follow the heater pipe from the back of the water pump to where it connects to the heater core.
4. Disconnect the Heater Pipe:
- Use a wrench to loosen the clamp that secures the heater pipe to the water pump.
- Carefully remove the heater pipe by pulling it off the pump. Be cautious as some residual coolant may spill.
5. Remove the Water Pump Bolts:
- Locate the bolts that hold the water pump to the engine block. These are typically found around the perimeter of the pump.
- Use a wrench or socket set to loosen and remove these bolts.
6. Separate the Water Pump:
- Once all the bolts are removed, gently pry the water pump away from the engine block using a pry bar or a flat-head screwdriver.
- Be careful not to damage the gasket between the pump and the engine block.
7. Remove the Gasket:
- Remove the old gasket that is stuck to the engine block and the water pump.
- Clean the mating surfaces thoroughly to ensure a proper seal for the new gasket.
8. Prepare for Installation:
- Apply a thin coat of gasket sealant to both sides of the new water pump gasket.
- Position the new gasket on the engine block and make sure it aligns correctly.
9. Install the Water Pump:
- Place the water pump over the gasket and align it with the mounting holes.
- Secure the water pump by reinstalling the bolts that you removed earlier. Tighten the bolts in a crisscross pattern to ensure even pressure.
10. Reconnect the Heater Pipe:
- Reinstall the heater pipe by sliding it onto the water pump and securing it with the clamp. Tighten the clamp firmly to prevent any leaks.
11. Refill the Coolant:
- With the water pump installed, refill the coolant system with a 50/50 mixture of coolant and water.
- Refer to your vehicle's owner's manual for the proper type of coolant and the correct filling procedure.
12. Reconnect the Battery:
- Reconnect the negative terminal of your vehicle's battery.
13. Test for Leaks:
- Start your vehicle and let it warm up to operating temperature.
- Check for any leaks around the water pump and the heater pipe connections. If you notice any leaks, tighten the connections or replace the necessary components.
Note:
- Refer to your vehicle's repair manual or a trusted mechanic for specific instructions related to your 1983 KB Ford Laser.
- Always consult a qualified mechanic if you are unsure about any part of the process or lack the necessary tools or experience.
