my Toyota Corolla E170 (2013-2019) is leaking coolant where should I look

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Ensure the engine is cool and disconnect the battery to prevent electrical issues.

2. Coolant Reservoir Replacement (if damaged)

1. Drain the coolant from the system using a drain pan.
2. Remove the bolts securing the coolant reservoir with a socket set.
3. Disconnect any hoses attached to the reservoir and remove it from the vehicle.
4. Install the new coolant reservoir by reversing the removal steps.
5. Refill the cooling system with the appropriate mixture of coolant.

3. Radiator Repair or Replacement (if leaking)

1. Drain the coolant completely from the radiator.
2. Remove the upper and lower radiator hoses using pliers to loosen clamps.
3. Disconnect the electrical connections for the radiator fan, if applicable.
4. Remove the bolts securing the radiator and lift it out of the vehicle.
5. Install the new or repaired radiator by reversing the removal steps.
6. Reconnect the hoses and refill the system with coolant.

4. Hose Replacement (if worn or leaking)

1. Remove the clamps on the affected hoses using pliers.
2. Slide the old hose off the fittings and discard it.
3. Install the new hose by pushing it onto the fitting and securing it with clamps.
4. Repeat for all leaking hoses.

5. Water Pump Replacement (if leaking)

1. Drain the coolant from the system.
2. Remove the serpentine belt by loosening the tensioner.
3. Remove the water pump bolts and carefully detach the water pump from the engine.
4. Clean the mounting surface to remove old gasket material.
5. Install the new water pump with a new gasket and torque bolts to manufacturer specifications.
6. Refill the cooling system with coolant.