It’s a question that has been asked by car owners for years – can you use brake cleaner as starting fluid? The answer is yes, you can. Brake cleaner is a great substitute for starting fluid, and it’s a lot cheaper too!
In this article, I will be talking about how to use brake cleaner as a starting fluid. Keep in mind that this should be only done in case of an emergency.
Can You Use Brake Cleaner As Starting Fluid?

Brake cleaner is an effective solvent used to clean brake components and repair brake fluid leaks. It can also serve as a starting fluid for gasoline engines, improving engine starting by up to 50% when used as such.
However, caution should be exercised when using brake cleaner as a starting fluid; too much spraying could potentially harm certain engine components.
If your car won’t start, a starting fluid may be in order. But, if you don’t have one in your vehicle and no nearby shop carries it, consider using brake cleaner as a starter fluid instead. Yes, this is perfectly legal; brake cleaner can be used as a starting fluid.
Before you grab that can of brake cleaner, it’s essential to understand how to use it safely. Brake cleaners can be highly flammable, so take precautions when handling this product.
First, ensure the area around the engine is clear of all combustible materials. Afterward, open the hood and locate the air intake – usually near the carburetor or throttle body. Once located, remove its cap and point a can of brake cleaner toward its opening.
Squeeze the trigger on a can to dispense a small amount of brake cleaner into your engine. Be careful not to overdose – too much brake cleaner could damage your engine. Finally, replace the cap on your air intake and try starting your car; if it still won’t start, consult a mechanic.
(See also: Why A Car Won’t Start After Overheating)
Where Do You Spray Brake Cleaner To Start a Car?

Brake cleaner is a solvent designed to thoroughly clean brake parts and wipe away brake fluid, grease, and other impurities. It typically consists of petroleum-based solvents but may also include alcohols, ketones, or chlorinated solvents. Brake cleaners come in the aerosolized form or pressurized cans for ease of application.
Brake cleaner is a widely-used product that can double as starting fluid for vehicles. Usually used to clean brake parts and eliminate grime, brake cleaners can also help jump-start cars with issues with their fuel systems.
When starting a car with brake cleaner, you must spray some into the throttle body and crank the engine. This requires taking off the air hose, manually opening the throttle body (on older vehicles), or having someone press on the gas pedal while spraying brake cleaner into place.
Brake cleaner’s chemicals will help kick-start an engine and get it running smoothly, but it should only be used as a temporary solution when there are no other options for starting the vehicle. Regular usage of brake cleaner can damage the engine and lead to other issues.
Will Brake Cleaner Hurt Your Engine?

Brake cleaners are an integral part of vehicle maintenance. By eliminating brake fluid, grease, and other debris from the system, brake cleaners ensure that brakes are functioning optimally.
They come in both aerosolized and non-consolized forms for both hydraulic and pneumatic brakes; furthermore, their cleaning action also protects against corrosion and wear.
One of the most frequently asked mechanics questions is whether brake cleaner is bad for your engine. Unfortunately, the answer to this one-dimensional dilemma is: it depends.
Brake cleaner itself is not toxic to your engine, but it can harm certain sensitive parts if used incorrectly. For instance, spraying brake cleaner directly onto an electrical component could result in a short circuit.
Additionally, using brake cleaner on a hot engine can cause the chemicals in the cleaner to vaporize and enter the engine oil, leading to oil contamination and reduced lubrication – potentially damaging engine bearings and other moving parts.
Therefore, it’s essential to use brake cleaner with caution and only on cold engines or parts that aren’t part of the electrical system. When used properly, brake cleaner can be a beneficial asset in keeping your engine clean and running efficiently.
Is Carb and Brake Cleaner The Same?

Garage mechanics will tell you that brake cleaner and carburetor cleaner are two distinct products. Brake cleaner is used to eliminate grease, oil, and other contaminants from brake components while carburetor cleaner is specifically tailored for cleaning carburetors and other engine parts. While both cleaners work effectively, they should never be used interchangeably.
Brake cleaner is much harsher than carburetor cleaner and can damage delicate engine parts if used incorrectly. Furthermore, brake cleaner often contains volatile organic compounds (VOCs), which have the potential to be hazardous to respiratory health if inhaled.
Carburetor cleaner is a powerful cleaning agent designed to eliminate stubborn deposits from carburetors. The active ingredient in carburetor cleaner typically consists of petroleum-based solvents which can dissolve grease, oil, and varnish. When used correctly, carburetor cleaner can help keep your engine running optimally.
Brake cleaners are typically composed of hydrocarbon solvents such as toluene and xylene. While these solvents are effective at eliminating brake dust, grease, and oil from brake pads and discs, they can also have environmental negative effects if not handled properly.
Both carb cleaners and brake cleaners are designed to remove built-up deposits from your car’s engine and other parts. Carb cleaners tend to work better on larger deposits while brake cleaners are better at dealing with smaller ones.
Furthermore, carb cleaners typically contain stronger chemicals that can break down tougher deposits more effectively.
Is Brake Cleaner Just Alcohol?
A brake cleaner is an effective solvent used to clean brake parts. It usually consists of petroleum-based solvents and alcohol, with the former dissolving grease and oil while the latter helps evaporate them. Brake cleaner is available in aerosol forms like wipes or sprays as well.
However, these products typically contain a higher percentage of alcohol which may cause skin irritation. Brake cleaner is an efficient way to remove brake fluid, grease, and oil from brake parts; however, it should only be used in well-ventilated spaces and avoided contact with skin.