Why is my heat shield rattling?
If the heat shield becomes loose due to poor hardware or rust damage, it will cause the heat shield to vibrate and produce a rattling sound. The sound will be most prominent at lower engine speeds and may change in pitch or tone as your speed changes.
How do I get my Subaru heat shield to stop rattling?
The hose clamp solution is pretty easy once you’ve identified the part that’s rattling. Simply open your steel hose clamp and wrap it completely around the heat shields surrounding your loose component, sandwiching it inside. Tighten the clamp until the component is locked in place.
How do you test a heat shield rattle?
Rattling noises from the engine bay Another, more audible, symptom of a bad or failing heat shield is rattling noises from the engine bay. If the heat shield becomes loose, damaged or broken, perhaps due to loose hardware or damage from rust, it will cause the heat shield to vibrate and produce a rattling sound.
Why does my heat shield Rattle at low speeds?
The rattling will be most prominent at low engine speeds, and may change in pitch or tone according to engine speed. A close inspection would be required to determine if the rattling noises are from a broken, or simply loose, heat shield.
How can I fix heat shield rattle on my car?
Wait until the car cools off (you don’t want to be touching the exhaust while it’s still hot). Jack the car up and slide yourself beneath the exhaust components. Push the palm of your hand against the catalytic converter, exhaust manifold, and other exhaust components. Try to get a feel for any loose elements.
What happens if the heat shield on my car fails?
If the heat shield fails to protect the engine bay from the exhaust heat it may eventually lead to a burning smell from the engine bay. If the heat reaches any plastic, or especially sensitive components it may cause them to overheat and burn up. This will produce a burning smell, and in some cases even smoke,…
When did the heat shield fall off my Honda Civic?
Dear Tom and Ray: One of the exhaust heat shields fell off my Honda Civic Hatchback (2001) awhile ago. The dealer told me not to bother putting it back on or replacing it, because I don’t need it, anyway.