why does my Volkswagen Golf MK7.5 (2020-Present) shake at idle

Solution

1. Preparation

• Gather the necessary tools and parts.
• Ensure the vehicle is on a flat surface and the engine is off before starting.
• Disconnect the battery to ensure safety while performing electrical checks.

2. Inspect and Replace Engine Mounts

• Tools Required: Socket set, torque wrench, pry bar
• Sub-steps:
  1. Lift the vehicle using a jack and secure it on jack stands.
  2. Locate the engine mounts and inspect for cracks or excessive wear.
  3. If damaged, remove the bolts securing the engine mount to the engine and the subframe.
  4. Replace with new engine mounts and torque to manufacturer specifications.

3. Clean or Replace Fuel Components

• Tools Required: Fuel line disconnect tool, cleaning solvent, wrench set
• Sub-steps:
  1. Disconnect the fuel line from the fuel filter and injectors.
  2. If the fuel filter is clogged, replace it according to manufacturer guidelines.
  3. Clean the fuel injectors using a cleaning solvent or replace if necessary.

4. Inspect and Clean the Air Intake System

• Tools Required: Screwdriver set, vacuum, cleaning brush
• Sub-steps:
  1. Remove the air intake duct and inspect for blockages or leaks.
  2. Clean the air filter and replace if dirty or damaged.
  3. Ensure all connections are secure and reassemble the intake system.

5. Inspect and Replace Ignition Components

• Tools Required: Socket set, pliers
• Sub-steps:
  1. Remove the ignition coil covers and inspect coils for cracks or signs of wear.
  2. Replace faulty ignition coils.
  3. Inspect spark plugs for wear; replace if necessary with the correct type and gap.

6. Test Idle Air Control Valve

• Tools Required: Multimeter
• Sub-steps:
  1. Locate the IAC valve and disconnect the electrical connector.
  2. Use a multimeter to test the IAC valve for proper resistance.
  3. If defective, replace the IAC valve and reconnect everything.