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 GMC Sierra is available in 1500 and 2500 models. The spark plug replacement process on both of these GMC Sierra models is the same. GMC suggests that all spark plugs be replaced every 100,000 miles. When removing spark plugs, always remove one spark plug wire at a time to avoid mixing up the wires.ever force the spark plug into the bore. Connect the spark plug cable to the end of the spark plug and remove the next spark plug cable. Repeat the above process for the rest of the spark plugs. Connect the battery cable and replace the rubber flap, if removed in Step 2.