Why is my tire pressure low every week?

There are Several Possibilities as to Why Your Tires Lose Air: a hole in the tread, probably from a nail or something sharp in the road. a poor seal where the tire attaches to the wheel, which lets air escape. a loose or improperly functioning tire valve.

Why does my brand new tire keep losing air?

Mounting Problems – This is a common reason why new tires leak air. Improper Seal – New tires can go flat if they don’t seal properly. A simple mistake such as not cleaning the seal properly or failing to remove a label can lead to an improper seal. Tires may not get a proper seal when there’s a problem with the rim.

Why does my tire keep going flat?

The most common cause of a flat tire is by a puncture due to a sharp object, such as nails or glass. Avoid puncture blowouts by driving around debris in the road or in parking lots whenever possible. Valve stem issues are another common cause of tire problems.

How much tire pressure loss is normal?

About 1-3 psi per month is normal for air loss, but you still should check inflation rates often, and re-inflate your tires. Neglecting tire inflation for 6 months may take out 6-18 psi, and with the most frequent recommended rate being 30-35 psi, this is a big loss.

How do I know if my tire valve stem is bad?

First, you need to determine if your valve stem is leaking or not. You can do this by rubbing a mixture of dish soap and water over the uncapped valve stem with your finger. If bubbles begin to form it means air is escaping and the valve is leaking.

What are the symptoms of worn valve stem seals?

Bad Valve Seals Symptoms

• Cold Engine. One of the most noticeable signs of worn or cracked valve stem seals will be just after a cold engine start.
• Idle and Stop and Go Driving.
• Off-Throttle Braking.
• Oil Consumption.
• Excessive Smoke.