You have several options to stop your heat shield from rattling, here are the options we recommend:
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Remove the heat shield
Replace the heat shield
Use hose clamps
Option 1: Remove the Heat Shield Completely (Not Recommended)
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Some vehicle owners are inclined to just throw away a heat shield once it gets loose or cracked. Although this technically may stop the rattle, we do not recommend this solution. The California Department of Forestry and Fire Protection reported 100 wildfires caused by vehicles in 2015 alone. Hot catalytic converters are the biggest culprit. When you park your car on grass, hot exhaust elements can cause fires. Heat shields help prevent those accidents from happening. A gas tank heat shield especially should not be removed permanently, car manufacturers put them on your vehicle for a reason.
The heat shield is there to protect your vehicle's underbody components and make the car comfortable and safe. Heat shields protect in both directions. We recommend replacing it or tightening the heat shield with hose clamps.
Option 2: Replace the Heat Shield
Another option you have is to completely replace your heat shields. This is doable, but can be tricky if you haven’t done it before. You’ll need to buy new heat shields ($40 or more per) and be prepared to remove the old parts and reinstall new ones. It’s just a couple bolts and some sheet metal, but can become a headache. If you take your car to the shop, the parts will be closer to $150 and it should take about an hour of labor. The total bill should be about $300.
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