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Catalytic converter heat shield fell off… Drive home or call tow truck?

Catalytic converter heat shield fell off… Drive home or call tow truck?
  • 845
  • Mark Baldwin
  1. Can you drive without a catalytic converter heat shield?
  2. Do you need catalytic converter heat shield?
  3. What happens if my heat shield falls off?
  4. How much does it cost to fix a heat shield?
  5. Is it OK to remove heat shield?
  6. What does a loose heat shield sound like?
  7. How do I fix a rattling noise when I accelerate?
  8. Is a missing heat shield an MOT failure?
  9. Is a heat shield covered under warranty?
  10. How much energy does a heat shield need to prevent against?

Can you drive without a catalytic converter heat shield?

Heat shields are important.

Don't just rip off a rattling heat shield. Although you can technically still drive your car or truck without a heat shield, it's a needed safety feature that was put on your car for a reason.

Do you need catalytic converter heat shield?

Rule of thumb: If the manufacturer put it in, it's needed. Not only can the catalytic converter's heat warm up the interior of the car, it can cause a fire if you park on dry grass or leaves.

What happens if my heat shield falls off?

Tom: On top, the heat shield prevents the heat of the exhaust from going upward, toward the floor of your car. And depending on which piece of the heat shield is missing, that could cause the bushings in your shifter to dry out, or the bottom of your sneakers to melt and become one with the carpet.

How much does it cost to fix a heat shield?

The parts, which are just pieces of sheet metal and a few bolts, should cost about $160 from a Honda parts department. And the job takes about an hour of labor. That means you should pay somewhere between $250 and $300 to have this done.

Is it OK to remove heat shield?

Because the heat shields are designed to protect other car parts from the extreme heat of the exhaust, removing them completely could cause premature failure of other components or even fire. The best way to fix a rattling heat shield is to replace it or reaffix it.

What does a loose heat shield sound like?

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.

How do I fix a rattling noise when I accelerate?

Rattling noises when accelerating can be caused by low fluid levels in the A/T. Open the hood and check the fluid level. If the car is running low on transmission fluid, refill the reservoir to the proper level. After doing this, start the car and take a short test drive to see if the problem goes away.

Is a missing heat shield an MOT failure?

Missing heat shields

Only fail a vehicle for missing heat shields if there's a risk of fire with other fuel system components. Use failure item: 6.1. 3 e - Fire risk due to fuel tank shield or exhaust shield missing where fitted as original equipment.

Is a heat shield covered under warranty?

The heat shield does not sound like it is covered under the corrosion portion of the warranty however since it is not a "outer-body sheet metal panel... that someone can see when walking around the vehicle".

How much energy does a heat shield need to prevent against?

But that wasn't going to be good enough anymore. The shield for the Mars Science Laboratory (MSL) would need to withstand about 250 watts of energy per square centimeter—about 10 times the heat experienced by the Viking, America's first Mars lander, which touched down on the planet in 1976.

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