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 causes the hard brake pedal and difficulty in pressing on the Haval H6?

1 Answers

McChristopher

07/29/25 8:44pm

Below are the specific reasons for the hard brake pedal and difficulty in pressing on the Haval H6: Failure of the vacuum brake pump: The vacuum brake pump has two chambers: one connected to the intake manifold and the other to the external atmosphere. When the engine is running, the intake manifold draws in air at a high velocity, creating a negative pressure in the negative pressure chamber. The positive pressure chamber is connected to the atmosphere. During braking, the pressure difference between the two chambers generates assistance by applying pressure to the brake fluid, causing the brake pads and discs to create friction and generate braking force. If this system fails, braking becomes difficult. Issue with the brake booster pump: The brake booster pump generates vacuum only when the engine is running. When the engine is off, it relies on the remaining vacuum assistance stored previously. Normal function resumes after restarting the engine, and this is not considered a fault.

Was this review help?

13

4

Share

More Forum Discussions

What brand is Copper?

Cooper is a luxury compact car under the BMW brand. Here are the specific details about it: Introduction: The Cooper features a unique appearance with large, round headlights and a distinctive design of a flat roof and short tail, inheriting the style of the MINI family. It offers a wide range of color combinations, allowing you to choose either a monochromatic body and roof or contrasting colors. Interior: The interior design is bold yet comfortable and practical. It includes a metallic silver casing, white dials, and orange needles, ensuring excellent visibility. The dials can adjust according to the steering wheel's position. The interior leaves a lasting impression, with a large speedometer flanked by two smaller dials symmetrically arranged on the dashboard, echoing the design of the tachometer. The space is predominantly adorned with metallic circular elements, creating a visually cohesive environment. The door panels have an unconventional design but are comfortable and functional. Although the space is not very spacious, the comfort level is excellent.

What type of oil should be used for the Cavalier 320?

The factory-recommended oil specification for the Cavalier is 5W-30 mineral oil. Engine oil is a critical factor affecting engine performance and service life. The Cavalier comes pre-filled with high-quality multi-viscosity oil at the factory, which can be used year-round except in extremely cold climates. Below are the primary functions of engine oil: Lubrication and wear reduction: There is rapid relative sliding between pistons and cylinders, as well as between crankshafts and bearing shells. To prevent excessive wear on components, an oil film must be established between these sliding surfaces. A sufficiently thick oil film separates the surfaces of relatively sliding parts, thereby reducing wear. Cooling: Engine oil carries heat back to the oil pan, where it is then dissipated into the air, assisting the radiator in cooling the engine. High-quality oil can transport carbon deposits, sludge, and worn metal particles from engine components back to the oil pan through circulation. The flow of lubricating oil also helps to clean contaminants generated on the surfaces of working parts.

What does B7 mean?

Mercedes-Benz maintenance B7 item means it is currently prompting that the maintenance is due, and the specific maintenance items need to be checked at the 4S store based on the mileage. The following are the related introductions of maintenance items: Oil filter: The replacement of oil and oil filter is mainly for the maintenance of the lubrication system. The main function of the lubrication system is to effectively lubricate various parts of the car engine to prevent excessive wear. The function of the oil filter is to remove various impurities in the oil to ensure the normal operation of the lubrication system. The oil filter should be replaced together with the oil when changing the oil. Under normal circumstances, the car needs to be maintained every 5000KM. Air filter: The function of the air filter is to filter the air before it enters the cylinder, removing impurities, dust, sand and other foreign objects contained in it. The cleaning and maintenance of the air filter depend on the usage environment. The gasoline filter is generally replaced when driving 20000-25000KM.

How Long Can You Drive with Worn Tire Treads?

Tires should not be driven when they are worn flat. Worn tire treads can lead to reduced grip and increased risk of skidding. At this point, the tires must be replaced as they no longer provide safe driving conditions. According to national standards, the wear limit for tread depth on passenger car radial tires is 1.6mm. When the tire tread wears down to this level, both the tire's water drainage capability and grip are significantly reduced. Additional information: 1. Hazards of worn tires: As the tread becomes shallower, water drainage is hindered, friction decreases, and the risk of skidding or rollover during normal driving or braking increases, potentially causing loss of vehicle control; braking distance lengthens; tires become more susceptible to punctures and blowouts. 2. Tire lifespan: The recommended lifespan for tires is 5 years or 80,000 kilometers. If either the time or mileage limit is reached, it is advisable to replace the tires. Tires older than this recommended lifespan begin to degrade and may deform or blow out if continued to be used.

What brand of car is FF?

FF is the acronym for FerrariFour, representing the most distinctive features of this Ferrari model, namely its four-seat design and four-wheel drive, making it Ferrari's latest four-seat, four-wheel-drive GT sports car. Below is an expanded introduction: 1. Power: It is reported that the new car will see a slight improvement, with the maximum power increasing from the current 485kW (660PS) to 515kW (700PS), and the peak torque also seeing an increase (the current model has 683Nm). In terms of the transmission system, a new 8-speed automatic transmission will replace the existing 7-speed dual-clutch transmission. Additionally, the new car will also receive updates to its four-wheel-drive system. 2. Configuration: The new car will be equipped with a new set of front headlights, along with some carbon fiber components, expected to be part of the aerodynamic kit, which will significantly enhance performance. Details such as the grille, taillights, and other features are also expected to be redesigned.

Where is the window lift control box located in the Dongfeng Fengjing X5?

The window lift control box in the Dongfeng Fengjing X5 is located on the left side of the driver. Below is additional information: 1. Introduction: The window lift is a device for raising and lowering car door windows, mainly divided into electric window lifts and manual window lifts. Nowadays, many car door windows generally use button-operated electric lifting mechanisms, utilizing electric window lifts. 2. Components: Electric window lifts for cars are mostly composed of a motor, reducer, guide rope, guide plate, and window mounting bracket. The master switch is controlled by the driver to open and close all door windows, while the individual switches on each door handle are operated by passengers to control the respective windows, making the operation very convenient. 3. Classification: Automobile window lifts can be structurally categorized into arm-type window lifts and flexible-type window lifts. Arm-type window lifts include single-arm and double-arm window lifts. Flexible-type window lifts include cable pulley window lifts, belt-type window lifts, and flexible shaft window lifts.

Trending Ranking

Does the 10th-generation Civic use 0w20 or 0w30?

How to Use the Remote Start Feature on the 10th Generation Civic?

What Causes the Squeaking Sound When Braking at Low Speed in a BMW 3 Series?

How to Cancel the Maintenance Reminder on the Tayron?

What is the fault code E15CA428 for Komatsu?

What are the dimensions of the BMW Mini?

What are the reasons for a manual transmission car stalling?

What are the causes of front shock absorber noise in the Honda Avancier?

What is the fencon car?

Why Does the Safety Lock Only Secure the Rear Seats?

More Forum Discussions

Where is the cabin air filter located in the Great Wall VV7?

What is the difference between the Mercedes-Benz A200 and A200L?

What is the fuel consumption of the Mercedes-Benz C-Class?

What is the reason for the BMW 5 Series electronic gear shift not lighting up?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.