my Toyota Corolla E140 (2006-2013) is leaking coolant what should I do

Solution

1. Preparation

• Tools Required:
  • Socket set
  • Screwdrivers
  • Cooling system pressure tester
  • Drain pan
• Safety Warnings: Ensure the engine is cool before starting work to prevent burns.

2. Identify and Repair Leak

• Step 1: Drain Coolant

  • Place a drain pan under the radiator.
  • Open the drain valve at the bottom of the radiator and allow the coolant to drain completely.

• Step 2: Repair or Replace Damaged Components

  • If a hose is leaking, remove the damaged hose using a screwdriver to loosen clamps and replace it with a new hose.
  • For a cracked reservoir, replace it with a new part.
  • If the water pump is leaking, remove the pump by disconnecting the drive belt and the bolts securing it, then replace it with a new pump.
  • In case of a damaged radiator, remove the old radiator by disconnecting hoses and mounting bolts, then install a new radiator.

3. Reassemble and Refill

• Step 1: Reinstall Components

  • Reinstall any hoses, ensuring clamps are secure.
  • If applicable, reattach the water pump and any necessary belts.

• Step 2: Refill Coolant

  • Refill the cooling system with the appropriate type of coolant (usually a 50/50 mix of antifreeze and water).
  • Start the engine and allow it to reach operating temperature while monitoring for leaks.