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.
The coils are held in place by a 7mm screw. To remove the coils, remove the 7mm screw and pull the coil up. To remove the 7mm screws, I used a 7mm socket, a universal, and several extensions. If you are just changing the spark plugs, you can change the plug at this time.