Browse

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Pet Supplies Sporting Goods Ticket Toys Games Transportation Others

Used Cars New Cars Others

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

What is the reason for the occasional feeling of a loose brake pedal?

2 Answers

LeHarmony

07/29/25 2:35am

Occasionally feeling a loose brake pedal accompanied by a decrease in braking force indicates a malfunction in the brake system. Below is relevant information about brakes: Introduction: As the name suggests, it is a mechanical braking device that slows down the vehicle, also known as a decelerator. Structure: The car brake pedal is located below the steering wheel. Pressing the brake pedal causes the brake linkage to be pressurized and transmitted to the brake shoes on the brake drum, which then clamp the brake disc. Function: To slow down or stop the vehicle. The manual brake in a car is located beside the gear shift and is connected to the brake lever. Common examples also include bicycle brakes, which rely on rod-shaped brakes fixed to the frame or disc caliper brakes to decelerate.

Was this review help?

20

3

Share

GrahamAnn

08/12/25 6:32am

I've run a repair shop for many years and encountered numerous cases of brake pedal going soft. The most common causes are air bubbles in the brake fluid or low fluid level, possibly due to a leak in the brake system, such as aging hoses or failed master cylinder seals. Another possibility is a faulty brake booster with vacuum line leaks, making the pedal feel spongy when pressed. Worn components like thin brake pads or rotors can also cause this issue. I recommend first checking the brake fluid reservoir level - top it up if low, but don't attempt DIY fixes. It's best to visit a professional shop for proper air bleeding to avoid sudden brake failure on the road. Additionally, regular maintenance can prevent this situation, especially for older vehicles that require extra attention after prolonged use.

Was this review help?

12

5

Share

Expand All

More Forum Discussions

What is a minivan?

minivan is a station wagon, a vehicle that combines the characteristics of a van, a recreational vehicle, and an off-road vehicle. Here is some related information: Origin of minivan: minivan is a concept or vehicle classification that exists only in North America. The true history of North American minivans began in the mid-to-late 1980s with Chrysler. According to European specifications, minivans are classified as large MPVs. To this day, minivans remain essentially a North American concept, with no presence in the Asian or European markets. Introduction of minivan: The first model was called the Caravan. Later, Toyota, Honda, and others developed similar vehicles, positioning them for family use. Essential criteria include a vehicle length exceeding 5 meters and an engine displacement of at least 3.0 liters. This category includes a limited range of vehicles such as the Toyota Sienna, Honda Odyssey, Chrysler Caravan, Town & Country, Kia Sedona (known as the Jia Hua in China), and Nissan Quest. In China, only the original GL8 prototype meets these criteria. The GL8 prototype is indeed a minivan, with the earliest Chinese version featuring a 3.0-liter engine. To cater to the market and expand its appeal for family use, a 2.4-liter version was introduced, which proved very effective.

What is the function of the guide wheel?

The guide wheel has a flow guiding effect on the liquid and plays a torque-increasing role at low speeds. The guide wheel is the reaction element of the torque converter, a pulley used to guide the transmission belt through obstacles or change the direction of the transmission belt, located between the turbine and the pump wheel. Flow guiding effect on the liquid: The guide wheel of the torque converter has a flow guiding effect on the liquid, controlling the flow direction of the liquid. When the automatic transmission fluid flows from the turbine into the guide wheel, its direction changes, which enhances the rotational torque of the pump wheel, thereby increasing the output torque. Torque-increasing effect at low speeds: The guide wheel plays a torque-increasing role at low speeds. The principle is that the pump wheel, driven by the engine, causes the fluid to flow, forming a vortex that impacts the turbine to rotate, and then transmits the force to the turbine. Due to the guide vanes on the pump wheel and turbine, the fluid forms a circulating flow, moving cyclically between the pump wheel, turbine, and guide wheel. The force (FB) from the pump wheel fluid impacting the turbine is transmitted to the guide wheel, which cannot reverse or remains fixed, creating a reaction force (FD) acting on the turbine. The force received by the turbine (FT=FB+FD) is the torque-increasing effect of the guide wheel.

What is the wading depth of the Model 3?

The wading depth of the Model 3 should not exceed half the height of the tires. Definition of vehicle wading depth: The wading depth of a vehicle is determined by the height of the engine air intake. For most compact and small cars with low ground clearance, the air intake position serves as the benchmark when driving through flooded roads. The function of the air intake is to draw in air. If the water level exceeds the height of the air intake, a large amount of water can be sucked into the engine, causing severe damage to the vehicle. Symptoms of water entering the engine air intake: When the engine air filter element gets soaked in water, it increases intake resistance and allows water to enter the combustion chamber. This prevents the spark plugs from igniting properly. Additionally, if water enters the distributor cap, it disrupts the normal ignition function of the distributor, leading to engine stalling while driving.

Model Y Black or Gray?

For practicality and safety, choose gray; for a more imposing look, opt for black. Below are the relevant details: Vehicle Specifications: The Tesla Model Y measures 4750mm in length, 1921mm in width, and 1624mm in height, with a wheelbase of 2890mm. Vehicle Positioning: The Tesla Model Y is a mid-size SUV introduced by Tesla China, equipped with either a pure electric 431-horsepower motor or a pure electric 461-horsepower motor, with total power outputs of 317kW and 339kW respectively, paired with a single-speed electric transmission. Drivetrain: The Tesla Model Y features a dual-motor all-wheel-drive system, with a front suspension type of double-wishbone independent suspension and a rear suspension type of multi-link independent suspension. The steering assistance is electric power steering, and the body structure is unibody.

Is the first maintenance mileage 5,000 kilometers or 3,000 kilometers?

Under normal circumstances, the maximum duration for the first maintenance is six months or 5,000 kilometers. If there are special instructions in the vehicle's manual, follow the time specified in the manual. First maintenance content: Replace engine oil and oil filter; Check the operation of the braking system, such as the gap and wear of brake pads and discs; Tighten bolts of various systems; Check and adjust the drive belt; Check and adjust tire balance and alignment; Check and replenish various fluids; Check the operation of components such as lights, battery, and shock absorbers. First maintenance precautions: During the first maintenance of a new car, pay attention to the inspection of tire tread and pressure, which is related to driving safety. Additionally, remove small stones and other debris stuck on the tires, ensuring the front and rear tire pressure is uniformly inflated to 2.4 kg/cm². Also, perform a four-wheel alignment check, inspect tire pressure and wear condition, and rotate the tires if necessary due to wear.

How to Open the Rear Part of a Panoramic Sunroof?

Panoramic sunroof opening method: To tilt open, press the sunroof switch button, and the sunroof will tilt open. Below is extended information about panoramic sunroofs: 1. Panoramic sunroofs offer a wide field of vision and excellent ventilation, making them a highlight in mid-to-high-end vehicles. With a larger area compared to standard car sunroofs, they better maintain fresh air inside the car. At high speeds, they are more effective than side windows in reducing interior noise and can quickly lower the cabin temperature, making them an excellent cooling solution for cars exposed to the sun. 2. Panoramic sunroofs are categorized into three types based on their opening mechanism: sealed, segmented opening, and full opening, each with distinct features. Essentially, panoramic sunroofs are larger in area compared to regular sunroofs, often featuring an entire glass roof that provides an unobstructed view of the sky above. Currently, many panoramic sunroofs consist of two separate glass panels, front and rear, giving both front and rear seat passengers the experience of having a sunroof.

Trending Ranking

How is the quality of the JLE-4G18TDC engine?

How is the jl476zqcf engine?

Is the JL473ZQ2 Engine a Blue Whale Engine?

What does the i warning light indicate?

What car is the mblo key for?

What brand of tire is MileagePlus?

What kind of car is the mctaren sports car?

What is the MKC car?

Which country does the Mini Cooper belong to?

In which year was the mini born?

More Forum Discussions

What does the MBUX system mean?

What brand is MKT?

What is the range of the Model 3?

Model Y Ground Clearance?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.