How to Check the Tire Pressure? Need a tire pressure gauge?
Check the Tire Pressure your car. In order to check tire pressure you'll need a tire pressure gauge. Gauges can be purchased at auto parts stores and service stations.
Subject: Auto Maintenance - Sub Subject: Check the Tire PressureDate: 6/27/2019 Status: SOLVED
3 answered / 2 voted, 175 viewed.
How to Check the Tire Pressure
- Remove the valve cap of each tire
- Align the gauge up to the valve
- Press the gauge onto the valve with firm direct pressure and then release. You'll see the measuring stick get pushed out of the other side of the gauge (on a pen gauge).
- Fill the tire with air, recheck the pressure, then repeat as needed until the desired pressure is obtained.
- Replace the valve cap
Wheel Alignment
In order to understand these angles one must consider the planes of the vehicle, which are ways of dividing the vehicle in each of its three dimensions (length, width and height). The horizontal plane, often depicted in math as the X plane, divides the vehicle into top and bottom parts. The vertical plane, often depicted in math as the Y plane, divides the vehicle into right and left parts (or driver's side and passenger side). A second vertical plane which intersects the first vertical plane at 90 degrees is often depicted in math as the Z plane, and it divides the vehicle into front and rear parts.
The camber angle lies on the Z plane. (Imagine looking at the tires from the front of the vehicle). A camber angle of zero is when the wheel is vertical. If there is any camber, then the wheel is deviating from the vertical plane, or the Y plane. In many vehicles the camber should be zero, but some may deviate by 2-3 degrees.
The toe angle lies on the X plane and deviates from the Y and Z planes. (Imagine the vehicle from a bird's eye view or a top view). A toe angle of zero is when the wheels are parallel on the Z and Y planes. This isn't quite how the wheels should be, at least not the front wheels. When thinking of toe, consider either the front wheels as a pair or the rear wheels as a pair. The distance between the front of each pair of wheels is measured and the rear of each pair (i.e. the distance between the front of the front wheels and the rear of the front wheels when considering the pair of front wheels). When the front wheels are properly aligned the front of the front wheels will actually be slightly closer together than the back of the front wheels, meaning the front wheels should have a slight inward toe. When the rear wheels are properly aligned they will be parallel (i.e. the distance between the front of the rear wheels is the same as the distance between the rear of the rear wheels).
If a right wheel is turned inward while the left wheel is straight, or if both wheels are turned too far inward, or both are turned outward, etc., then there is an abnormal toe angle present and the wheels are not aligned. (Technically when you steer the vehicle and the front wheels turn to the left or right, they are deviating from the Y and Z planes, but they stay parallel to each other with only a slight variation to account for the fact that one wheel is on the outside and one is on the inside while turning).
The caster angle is an angle which lies on the Y plane and deviates from the Z plane. (Imagine looking at the vehicle from the side). Most devices with steering capability do not have a caster angle of zero. When the deviation is towards the rear, the caster is considered positive. When the deviation is towards the front, the caster is considered negative. On motor vehicles the caster is usually positive, (the higher ball joint will be closer to the rear than the lower ball joint). This helps the vehicle to drive straight even when the steering wheel is hands-free. Since the view of the caster is blocked by the wheel on vehicles with four wheels, it is most easily visible on motorcycles and bicycles. Think of the two braces that come down on both sides of the front wheel. Notice how the handlebars are closer to the rear than the center point (fulcrum) of the front wheel. This is a clearly visible positive caster. The front wheels of shopping carts have a negative caster. The physics of a negative caster allows for the front wheels to turn counter clockwise as the cart is turning clockwise so that the cart is easier to maneuver throughout the store.
Wear Bar
How to Change a Tire
Here are some general guidelines for changing a tire (in order):
- Make sure the vehicle is on level ground
- Apply the parking brake
- Remove the spare tire and tools from the vehicle
- Use wheel chocks to block the wheels opposite of the wheel you're changing (i.e. if you're changing a rear tire, then put the chocks in front of the front wheels).
Wheel chocks are similar to triangle-shaped door stoppers. When chocks are included with the tire changing kit, then they should be used. However, they are not present with every vehicle. Cases where they're not present may include vehicles with a rear parking brake and front wheel drive. When changing a rear wheel in these vehicles the front wheel drive keeps the vehicle stable, and when changing a front wheel in these vehicles the rear parking brake keeps the vehicle stable.
- Loosen the lug nuts before lifting the vehicle, but do not remove
- Pump or crank the jack to lift the vehicle using the proper lift points
- Remove the lug nuts
- Remove the flat tire
- Place the spare tire
- Replace the lug nuts snug
- Lower the vehicle
- Torque the lug nuts (tighten them as much as possible after the vehicle has been lowered)
- Replace the tools in the appropriate location for future use.
- Carry the flat full-size tire to the tire shop with you.
Tire Disposal
ANSWERS Write an Answer
❝How to Check the Tire Pressure? Need a tire pressure gauge?❞ answers. technician asked first. Total 3 replies.
🔥 Chandler, AZ?
- Tire pressure check
- Tire pressure gauge
- Measuring tire pressure
- Proper tire inflation
- Tire pressure monitoring
- Tire maintenance tips
- Checking tire air pressure
- Recommended tire PSI
- Tire inflation guidelines
- Tire pressure monitoring system
- Tire pressure levels
- Safe tire pressure range
- Tire pressure measurement tool
- Ideal tire pressure
- Tire pressure inspection
- Maintaining correct tire pressure
- Checking tire PSI
- Tire pressure monitoring device
- Tire pressure safety
- Tire pressure specifications
- Importance of tire pressure
- Tire pressure monitoring procedure
- Correct tire inflation
- Using a tire pressure gauge
- Tire pressure maintenance
- Checking tire pressure regularly
- Safe tire pressure levels
- Optimal tire inflation
- Tire pressure safety precautions
- Tire pressure monitoring importance
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