why does my Volkswagen Passat B8 (2015-2022) have a burning smell

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface, and the engine is cool.
• Disconnect the battery to prevent electrical shorts.

2. Fluid Level and Leak Check

• Sub-step 1: Remove the engine cover (if applicable) using a socket set.
• Sub-step 2: Check the engine oil level with the dipstick. If low, add the correct oil type as specified in the owner’s manual.
• Sub-step 3: Inspect the oil filter and oil pan for leaks. Replace the oil filter if it is damaged.
• Sub-step 4: Inspect the coolant reservoir and hoses for leaks. Replace any damaged hoses.

3. Serpentine Belt Inspection and Replacement

• Sub-step 1: Locate the serpentine belt tensioner and relieve tension using a wrench.
• Sub-step 2: Remove the serpentine belt and inspect for cracks, fraying, or glazing.
• Sub-step 3: Replace the belt if any damage is found.
• Sub-step 4: Reinstall the new serpentine belt according to the routing diagram.

4. Electrical System Check

• Sub-step 1: Inspect wiring harnesses for frayed or burnt wires and repair or replace as necessary.
• Sub-step 2: Check the alternator and starter for signs of burning or damage. Replace if faulty.
• Sub-step 3: Reconnect the battery once all electrical components are inspected and repaired.