Volkswagen Golf MK7 (2015-2019) how to fix the oil consumption issue

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery negative terminal to ensure safety.

2. Replace PCV Valve

• Tools Required: Socket set, wrench set, pliers.
• Sub-steps:
  1. Locate the PCV valve; it is usually found on the valve cover.
  2. Remove any hoses connected to the PCV valve using pliers.
  3. Unscrew and remove the old PCV valve.
  4. Install the new PCV valve, ensuring it is seated properly.
  5. Reattach the hoses securely.

3. Replace Valve Cover Gasket

• Tools Required: Socket set, torque wrench, gasket scraper, RTV silicone (if required).
• Sub-steps:
  1. Remove components obstructing access to the valve cover (e.g., air intake, coils).
  2. Unscrew the valve cover bolts using a socket set.
  3. Carefully lift the valve cover and scrape off the old gasket material.
  4. Clean the mating surfaces with a solvent.
  5. Place the new gasket onto the valve cover, applying RTV silicone if specified by the manufacturer.
  6. Reinstall the valve cover and torque the bolts to the manufacturer’s specifications.

4. Inspect and Replace Oil Control Rings (if necessary)

• Tools Required: Engine hoist (for engine removal), complete engine rebuild kit.
• Sub-steps:
  1. If the engine has significant oil consumption post-PCV and gasket replacement, remove the engine.
  2. Disassemble the engine to access the pistons and oil control rings.
  3. Replace the oil control rings with new parts from the rebuild kit.
  4. Reassemble the engine, ensuring all components are torqued to specifications.