Vehicle Questions and Answers
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The Toyota Matrix is notorious for heat shields becoming loose over time due to wear, vibrations, or corrosion. These shields are usually attached with plastic clips and can be replaced by DIY enthusiasts for under $50 in parts. Taking the car to a repair shop or muffler center could result in costs ranging from $100 to $150 for parts and labor. If the heat shield above the Matrix's muffler comes off, it's crucial to replace it promptly. This shield acts as a barrier to protect the rear hatchback's carpet from extreme heat and combustible exhaust fumes. Most exhaust components deteriorate from rust or loosened bolts, so if the shield is still intact but making noise, consider securing it using stainless clamps, ties, bolts, or welding.