why did my Volkswagen Golf MK7 (2015-2019) start consuming oil suddenly

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 avoid electrical mishaps.

2. Inspect and Replace PCV Valve

1. Locate the PCV valve, which is typically situated on the valve cover.
2. Disconnect any hoses attached to the PCV valve.
3. Remove the old PCV valve and inspect for clogging or damage.
4. Install a new PCV valve, ensuring it is seated properly.
5. Reconnect the hoses securely.

3. Perform an Engine Compression Test

1. Remove the spark plugs for easier access to the cylinders.
2. Insert a compression gauge into the first cylinder and crank the engine.
3. Record the reading and repeat for each cylinder.
4. Compare the readings; significant variance may indicate worn piston rings or valves.

4. Check and Replace Oil Filter

1. Locate the oil filter, typically accessible from underneath the vehicle.
2. Use an oil filter wrench to remove the old filter.
3. Lubricate the rubber gasket of the new filter with fresh oil.
4. Install the new oil filter, ensuring it is tightened according to manufacturer specifications.
5. Refill the engine with the appropriate grade of oil as specified in the owner's manual.

5. Inspect for External Leaks

1. Clean the engine area using an engine degreaser to identify leaks.
2. Check around the valve cover, oil pan, and oil seals for signs of oil seepage.
3. Replace any faulty seals or gaskets found during inspection.