my Toyota Highlander Third Generation (2014-2019) has a strong smell of burnt rubber

Solution

1. Preparation

• Tools Needed: OBD-II scanner, flashlight, gloves, safety glasses.
• Safety Warnings: Disconnect the battery before working on electrical systems and allow the engine to cool before inspecting components.

2. Inspect and Replace Worn Belts

• Step 1: Remove the engine cover if applicable.
• Step 2: Inspect the serpentine and accessory belts for wear. Look for cracks, frays, or signs of melting.
• Step 3: If damaged, loosen the tensioner using a socket wrench and remove the old belt.
• Step 4: Install the new belt, referring to the routing diagram under the hood.
• Step 5: Re-tighten the tensioner to the manufacturer’s specifications.

3. Address Oil Leaks

• Step 1: Identify the source of any oil leaks found during the inspection.
• Step 2: Clean the area around the leak and use a UV dye if necessary to trace the source.
• Step 3: Replace any gaskets or seals that are leaking, ensuring to torque them to manufacturer specifications.

4. Check and Replace Brake Components

• Step 1: Inspect brake pads and rotors for signs of excessive wear or overheating.
• Step 2: If the brake components are worn or damaged, replace them with new parts.
• Step 3: Ensure proper installation and torque all components to specification.