why is there a strong vinegar smell coming from my Volkswagen Golf Eighth Generation (2020-present)

Solution

1. Preparation

• Tools Required: OBD-II scanner, coolant, funnel, safety gloves, rags.
• Safety Warnings: Allow the engine to cool before opening the coolant reservoir. Wear safety gloves to protect against coolant.

2. Address Coolant Leak

• Sub-steps:
  1. If the coolant is low, fill it to the proper level with the recommended coolant type.
  2. Inspect hoses and connections for any cracks or leaks; replace any damaged hoses.
  3. If a leak is found at the radiator or water pump, replace the affected component.

3. Clean HVAC System

• Sub-steps:
  1. Remove the cabin air filter.
  2. Clean any debris from the filter housing.
  3. Replace the cabin air filter with a new one to ensure proper air quality.

4. Repair or Replace Components

• Sub-steps:
  1. If a malfunctioning air conditioning component is identified (e.g., compressor, evaporator), replace it as needed.
  2. Recharge the air conditioning system with the appropriate refrigerant if necessary.