Its important to note that the automobile windshield chip repair exterior trim and moldings that we can see on the outside of the glass are for looks only. The actual water seal comes from the "urethane" adhesive which is used to create the bond. Its in this urethane that the water leak is originating.

Windshield Repair: Many times while driving, especially behind a big truck, rocks and road debris fly up and hit our windshields. Most of the time there is no damage done, but occasionally your vehicle is left with a chip or crack in its windshield. This problem not only looks bad, but is extremely unsafe. If your windshield has a chip or crack in it, it is weakening and can burst at the littlest rock that hits it. Also the cracks spread and can impair your clear vision of the road ahead of you. If you get your windshield repaired quickly it will be quick and less expensive. If you wait it will be more time and money out of your wallet to pay for the replacement.
Now that you know what can and can't be repaired, there's one more thing to consider. Time!! Many factors like extreme heat or cold and even your air conditioning cooling down the windshield on a hot day can cause the damage to get worse. The longer you wait to repair the damage, it could spread and may turn a repairable situation into a full blown windshield replacement costing YOU more. Most insurance companies WILL cover a rock chip on the windshield at no cost to you. Speak with your insurance agent to get more information on what they will cover when it comes to windshield damage.
A windshield repair, when done correctly, is the safe choice. But not all damage is repairable. For as many types of debris that exist to damage your windshield, there are as many types of chips and cracks that can result. Some of the most common types of chips have been named.
Windshields, surprisingly, bear almost 70% of the roof's weight on itself. So it makes sense to keep the glass serviced and maintained. A small crack can cause an accident in the car. This is because the windshield is put under high stress when it is placed. Serious accidents can occur when driving at high speeds. Auto Glass Specialists suggest regular check up and maintenance of the windshield.
While there are many things that can go without fixing for a while these are just a few of the issues that should be addressed as soon as they arise. This type of automobile repair is crucial to keep vital systems running. So remember you may be able to make a couple hundred more miles with those worn out windshield wipers but when your tread runs low, or your windshield gets dinged get it to a mechanic right away.