Why does my Subaru rattle when I accelerate?

Why does my Subaru rattle when I accelerate?

The most common source of rattles on Subaru’s are the exhaust heat shields. They can rattle under all sorts of random circumstances. Whenever you turn, accelerate, let off the gas or brake, the motor experiences torque that is dampened by the engine mounts so the passengers won’t feel these vibrations.

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.

Why is my car making a rattling noise in the front?

Many automotive noises are reminiscent of another sound. The rattling noise means that something isn’t right with the way your wheels are attached to the car. For example, a lug nut may have come loose and started rattling as the wheel turned around. Have your tires and wheels checked as soon as possible.

Is it safe to drive with a rattling exhaust?

If the loud muffler is due to a hole, the vehicle is dangerous to drive and should be inspected by a mechanic right away. It is possible that a broken piece of the muffler may have come off and is rattling in the exhaust system, which can cause the clunking sound.

Why does my car rattle when I step on the gas?

Most people call this a pinging or rattling sound. This noise is caused by an air/fuel mixture in the engine cylinder being ignited prematurely by the heat of compression as the piston is moving up on the compression stroke. Check your owner’s manual to make sure you’re using the right grade of fuel.

Can I remove catalytic converter heat shield?

The thing they removed–the heat shield–is a thin metal covering that surrounds the catalytic converter, which gets very hot when the engine is running. But we think it’s our moral obligation to tell you that removing any part of the heat shield is potentially dangerous.

How much does it cost to replace exhaust 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. So you might save half by shopping around, Liz.

Can a catalytic converter make a rattling noise?

Rattling Noises. Your catalytic converter consists of small, honeycomb-shaped components that can cause a rattling sound when broken. If your catalytic converter is broken, this rattling should be loudest when the car starts, and should get worse over time.