Where to put brake fluid in Ford Explorer?

In a Ford Explorer, brake fluid is added to the brake master cylinder reservoir located in the engine bay near the brake booster. Use the correct DOT specification and avoid overfilling.

The brake fluid reservoir is a translucent plastic container attached to the brake master cylinder. It sits toward the rear of the engine bay, usually on the driver's side, and is capped with a symbol representing the braking system. The cap may list the required DOT grade (commonly DOT 3 or DOT 4). The reservoir has MIN and MAX marks to guide filling. Always ensure the engine is cold before opening the cap to prevent burns from hot fluid or pressure buildup.

Locating the brake fluid reservoir

To refill safely, first locate the reservoir and confirm the fluid specification by checking the cap and the owner's manual. On most Explorer models, you’ll find it mounted on the brake master cylinder, near the brake booster at the back of the engine bay.

Steps to safely add brake fluid

Follow these steps to refill safely:

1. Park on level ground, apply the parking brake, and turn off the engine. Allow everything to cool before opening the hood.


2. Open the hood and locate the brake fluid reservoir near the brake booster. The cap should show the brake symbol and the recommended DOT rating.


3. Wipe the cap and surrounding area to prevent dirt from entering the reservoir. Remove the cap carefully.


4. Check the fluid level against the MIN and MAX marks on the reservoir. If the level is at or below the MIN line, plan to top up.


5. Using a clean funnel, slowly add the correct DOT brake fluid until the level sits between the MIN and MAX marks. Do not fill past the MAX line, and avoid spilling onto painted surfaces.


6. Replace the cap securely, wipe away any spilled fluid, close the hood, and start the engine. If you notice leaks, a brake warning light, or a soft pedal, have the system inspected by a professional.

Note: Brake fluid is hygroscopic, meaning it absorbs moisture over time. If the fluid appears dark or contaminated, or if the level is frequently low, have the braking system inspected. Never mix different DOT grades in the same reservoir, and avoid mixing old and new fluid.

Summary

The brake fluid in a Ford Explorer is added to the brake master cylinder reservoir located in the engine bay near the brake booster. Check the cap for the correct DOT specification (usually DOT 3 or DOT 4), fill to the recommended level between MIN and MAX, and keep the area clean to prevent contamination. If in doubt or if you notice leaks or performance issues, consult a qualified mechanic.

Can I just add brake fluid?

Yes, you can add brake fluid, but only if the level is low and you don't have a leak or an underlying issue like worn-out brake pads. If the brake fluid is low, you should fill it to the "MAX" line, but avoid overfilling, and only use the correct type specified in your owner's manual. If the fluid has dropped significantly and air has entered the system, you may need to bleed the brakes. 
You can watch this video to learn how to check and add brake fluid: 1mehowautoYouTube · May 21, 2015
Before you add brake fluid 

• Check for leaks: Make sure there isn't a leak in the brake system, as brake fluid does not get consumed like other fluids. 
• Consider worn-out pads: If your brake pads are worn, the fluid from the reservoir will move into the calipers, causing the reservoir level to drop. If your pads are worn, you will need to replace them to fix the problem, and you should not just top off the fluid. 
• Consult your owner's manual: Check the manual to determine the correct type of brake fluid for your vehicle. Using the wrong type can be dangerous. 
• Check the current fluid level: If the fluid is at or above the "MIN" line, you do not need to add any more. 
• Clean the area: Wipe the area around the reservoir cap before opening it to prevent dirt from getting into the fluid. 

How to add brake fluid

1. Locate the reservoir: Find the brake fluid reservoir under the hood, which is usually a small, translucent or dark-colored container with a cap. 
2. Open the cap: Carefully pry the cap off. 
3. Add new fluid: Pour new, correct-type brake fluid into the reservoir until the level is just under the "MAX" line. Do not overfill. 
4. Replace the cap: Securely replace the cap on the reservoir. 

This video demonstrates how to check the brake fluid level and top it up: 29sEvansHalshawTVYouTube · Jun 23, 2023
When to get professional help

• If the fluid dropped too low: If air has entered the brake lines, the brakes may feel spongy or weak. This is a serious safety issue, and you will need to have the brake system bled by a professional. 
• If you have a leak: If you see a leak, or if the fluid continues to drop after topping it off, get the vehicle inspected immediately. 
• If your brakes feel spongy: This is a sign of air in the brake lines, and you should not drive the vehicle. It needs to be serviced by a professional. 

Where do I insert brake fluid?

You put brake fluid in the brake fluid reservoir, a small, semi-transparent container typically located in the back of the engine bay on the driver's side, in line with the brake pedal. To add fluid, clean the reservoir cap and area, open the cap, and pour in the specified type of brake fluid until it reaches just below the "MAX" line, being careful to avoid spills on your vehicle's paint.
 
How to add brake fluid
This video demonstrates how to check and add brake fluid: 59sEvansHalshawTVYouTube · Jun 23, 2023

1. Locate the reservoir: Find the brake fluid reservoir, usually a plastic container on the driver's side in the engine bay, near the firewall. 
2. Clean the area: Before opening, clean the reservoir's cap and the surrounding area to prevent dirt or water from getting in. 
3. Check the level: Look for the "MIN" and "MAX" lines on the side of the reservoir. If the fluid is at or above the "MIN" line, you don't need to add any. 
4. Add the fluid: If the level is below the "MIN" line, remove the cap and use a funnel to carefully add the correct type of brake fluid until the level is between the "MIN" and "MAX" marks. Do not overfill. Consult the reservoir cap or owner's manual to confirm the correct fluid type (e.g., DOT 3 or DOT 4). 
5. Secure the cap: Tightly replace the cap once you are finished. Clean up any spills immediately, as brake fluid can damage paint. 

Important considerations

• Never use the wrong fluid: Always use the exact type of brake fluid your vehicle requires, as specified by the manufacturer. 
• Avoid spills: Brake fluid can damage paint, so take care to avoid spills and clean them up immediately. 
• Check your brake pads: A low brake fluid level can indicate that your brake pads are worn. If you frequently need to add fluid, it could signal a leak in the system and you should have it inspected by a professional. 
• When to seek professional help: While topping off is a simple task, replacing the fluid entirely (flushing the system) is more complicated and is best left to a professional mechanic. 

How do I know if brake fluid is low?

You can tell if your brake fluid is low by a spongy or soft brake pedal, the brake warning light on your dashboard, visible fluid leaks under your car, or if your brakes feel less responsive or have a longer stopping distance. 
This video explains how to check your brake fluid level: 1mAdvance Auto PartsYouTube · Feb 1, 2013
Signs to look for

• Soft or spongy brake pedal: The pedal may go down farther than usual before the brakes engage, or feel mushy. 
• Illuminated brake warning light: The brake light on your dashboard will turn on, which can also indicate a problem with your anti-lock braking system (ABS). 
• Fluid leaks: Check for puddles of clear or brownish fluid under your car, especially near the wheels. 
• Increased stopping distance: You may notice it takes longer than usual for your car to come to a complete stop. 
• Unusual noises or smells: A burning smell or grinding/squealing noises when braking can be a sign of a brake fluid issue. 

What to do

• Visually inspect the reservoir: The brake fluid reservoir is usually a translucent plastic container under the hood. Check the side of the reservoir for minimum and maximum fill lines. If the fluid is below the minimum line, it's low. 
• Do not drive if brakes are compromised: If you experience any of the symptoms above, it is safest to have your vehicle inspected by a professional immediately. Driving with low brake fluid is a serious safety risk. 

Where does brake fluid go in a Ford Explorer?

And topping off the brake fluid in this 2018 Ford Explorer through the driver side. Door. We want to locate the hood release latch.