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heat shields

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Symptoms of a Bad or Failing Heat Shield
Common signs include a burning smell, a hood that is hot to the touch, scraping noises, and melted parts under the hood.
How Long Does a Heat Shield Last?
The heat that is produced by the exhaust system of an engine is much higher than most people realize. With all of the vital and sensitive components that are on your engine,...
How to Buy a Good Quality Heat Shield
Heat shields are used to keep everything cool and under wraps when you are heating it up on the track or just on the road in a hot part of...

Related questions

Question
My engine is vibrating and making a knocking sound at idle, which grows intensely when I accelerate but it all goes away at times
This seems to be a torque converter issue. The bolts are probably loose between the converter and the flex plate. To get to the torque converter bolts, you will need to remove the starter from the engine and then you...
Question
Center colum under console/armrest gets very hot at times. AC and heat work fine. It gets so he that I feel it's unsafe.
This is common due to the fact that just underneath this area is where the transmission and drive train is located which generates a lot of heat. I would recommend having a certified expert, like one from YourMechanic, come to...
Question
Car rattles after accelerating
Yes, a loose heat shield, exhaust leak, damaged muffler or catalytic converter, or even a faulty engine mount may all contribute to a rattling noise. The exhaust system and motor mounts need to be inspected for contact issues. You may...
Question
Sounds like something is loose
If this all occurred right after the brakes were done, then it may be a backing plate hitting the rotor. This will cause the noise and can also cause some odor. It may also be a failing bearing which can...
Question
I hear a tiny sound, like a loose heat shield when I start up the car in the morning...it goes away as the truck warms up.
You may have a heat shield that has a broken weld or bent and vibrating until the heat changes the shape of the metal and it stops. I have see catalyst also rattle inside and then stop within a few...
Question
Shield rattling on a 2012 VW Passat
No, it's not necessary. It's a shield that keeps your oil pan from getting hot. Those Volkswagens are so squirrely, if you want to talk about over-engineered German nonsense. Their oil pans are two-part oil pans on most of...
Question
Rattling by the front passenger side to the muffler area.
Hi there. Check the exhaust system for any heat shields that are loose. If the heat shields are loose, you can try to tighten them up. Some heat shields are welded in place. If there is no loose heat shields,...
Question
There is a rattling noise coming from my exhaust when my car is idling.
Hello, the exhaust system noise can be created from a heat shield (light tin type sound). Rattling could be from a hanger which support the system. A muffler and catalytic convertor can internally make a rattle type noise. The vehicle...
Question
plastic splash shield under car broken
Under engine shields keep water, dirt, and debris off of engine electrical components and also keep combustible debris from roadways, such as paper and plastic, from being drawn up into the engine compartment possibly contacting the hot exhaust manifold. So,...
Question
Strange rattling sound from the engine when RPM goes down from 3,000.
Hi there. The noise that you are hearing is heat shields on the exhaust system are loose causing a rattling noise. Either the shield on the manifolds are loose or the shields on the catalytic converter are loose. If you...
Question
loud, vibrating noise coming from underneath.
Hi there. Sounds like the exhaust heat shields are loose on the exhaust system and rattling underneath the vehicle. Go under the vehicle and check to see which shield is vibrating and tighten them up. If the heat shield is...
Question
Rattling Sound coming from underneath the car.
Hi there. Sounds like one of the heat shields on the exhaust system has broken a weld and is vibrating as the engine is revved up. Jack the vehicle up and put on jack stands. Go under the vehicle and...
Question
When staring the car and when it is idling, it makes the loudest rattling sound. The sound is not like a rod knock but more like something is loose.
Hi there. The noise could be a heat shield that is loose on your engine causing the loud vibration noise and it will appear to be a rattling noise. If the rattling noise is more choppy and not fast and...
Question
My car has been making a rattle noise.
The heat shield is designed to keep the engine at a specific temperature. I recommend leaving the heat shield on but fixing it to where it does not vibrate. Look for any cracks or broken bolts to see if the...
Question
O2 sensor replacement help needed.
The part that is covering the oxygen sensor is the heat shield on the exhaust manifold. You will have to remove the heat shield first to get the O2 sensor off. If you need further assistance with removing the heat...
Question
Hello my car had its steering rack replaced 5 months ago the garage never put the heat shield back on and now the steering rack is
Hello, thank you for writing in. The shields that are mounted on the bottom of the car provide the most protection from water and road debris. While they do provide this protection, failure of the rack and pinion should not...

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