Weight loss happens fast after gastric sleeve surgery: 1  Month 3: About 1/3 of excess weight is gone. 2  Month 6: About half of excess weight is gone.  Month 12: Up to 70% of excess weight is gone.
Allow your engine to cool for 3 to 4 hours before changing your spark plugs. They can be extremely hot if you do not allow enough cooling time. On most vehicles, you should replace your spark plug wires at the same time as your spark plugs.
Replace spark plug tubes. The replacement of your spark plugs and spark plug wires (where applicable) is a basic tune-up procedure for just about any car on the road. I recommend replacing your spark plugs every 10,000 miles, or about once a year.