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▷▷ 2021 ▷ How to clean the gas cap of a car

7 julio, 2021

by Carole Ellis

Car gas caps are just as susceptible to dirt and grease as anything else in a car. This can make it difficult to insert and remove the cap, but perhaps the biggest danger is the fact that a dirty or dirty gas cap can leave some of that residue, which can get into the gas itself. If that happens often enough, you could go from just having a dirty gas cap to a clogged gas filter or fuel pump. Replacing those items will cost a lot more money than just keeping your gas cap clean.

Step 1

Unscrew the gas cap from your car’s gas tank. Place it on a surface that you don’t mind getting dirty, like your driveway or some old newspapers.

Step 2

Spray petroleum-based lubricant all over the gas cap screw mechanism. Using your rag as if you were washing dishes, wipe off all the lubricant, using a scrubbing motion. This lubricant is a great cleaner and will dissolve any grease or dirt on the gas cap. Wipe it off and if there are still stains that look dirty, spray them again with the petroleum-based lubricant and wipe it off.

Step 3

Cover the cap completely with a silicone-based spray. The petroleum-based lubricant will eventually degrade the plastic if it is not removed. Covering the cap with a silicone spray lubricant will protect it from wear.

Reinsert the gas cap. Make sure it screws on easily.


  • Do not do this with the car running. Work in a well ventilated area.

Articles will need

  • Petroleum Based Spray Lubricant
  • Silicone based spray lubricant
  • Rag

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