Wheels are usually mounted on the wheel hub. They prevent friction between the car body and the wheel. In a vehicles suspension, the hub is a central component. It holds the shock and oil assembly together. The hub also holds the upper and lower control arms together. The caliper and brake rotor are located in the hub which holds the wheel in place. Faulty hubs are dangerous and could lead to the wheel separating from the vehicle. A number of tests can be carried out to know when your wheel hub is going bad.
Tongue and groove pliers-This type of pliers are also known as channel- locks. This type of pliers allows you to tighten or loosen bolts and nuts of varying sizes.
If you’re raising your vehicle, always use jack stands. Resist the temptation to rely on the baldosas hidraulicas. It’s not sturdy enough. It should not be counted upon to support the weight of your car.
The first thing you do is park your car on the side of the road. This is to ensure that you do not block other vehicles on the race. It is also good for your safety. The ground should be level to ensure the vehicle is balanced. After parking, you should light the hazard lights to alert other coming cars that an activity is taking place. This you do if its at night. If its during the day, you do not have to put on the lights. All you have to do is put the accident sign board in front of your vehicle and at the back.
If you don’t have any spilled coolant, than start the engine and let the engine reach its normal operating temperature, in order to get the thermostat to open. Continuously watch the bleeder hole as you pour coolant in the radiator. Stop when you see leaking coolant and then tighten the bleeder bolt.
Do a hand rotation to check for ‘play’ on the wheel. ‘Play’ is the wiggling capacity your wheel has. Your hands at 3 and 9 o’clock on the wheel, turn it while pushing and pulling at the same time. Shake the wheel while holding it at 6 and 12 o’clock. The hub should not have any play. Play on the wheels means that the hub is faulty.
A hydraulic jack has several parts including the pump, reservoir, check valve, cylinder, piston and the release valve. The hydraulic fluid is found on the reservoir and pump is used to get the water up. This will then create a pressure as it pushes the liquid on the check valve. The fluid will go to the main cylinder and it will power the piston. One of the most common jacks is found in the car which is used when changing tires. They are very easy to use as compared to the screw jacks. The thoery of hydraulics have made a lasting impact on the life of people.
While the above automotive specialty tools are immensely functional for both mechanics and do-it-yourselfers, manuals must be read and instructions followed to avoid accidents while tinkering with the car.