Connect the manifold gauge set as discussed above. Connect the yellow hose to the can tap valve and car auto glass repair seat (turn clockwise) the valve. Close the blue gauge on the manifold gauge set. Open the valve on the can tap valve. Slowly open the valve on the blue or "low-side" gauge and let the refrigerant flow from the refrigerant can into the system until you see a reading of 60psi on the "low-side" gauge. TIP: Placing the refrigerant can in a pan of hot water will allow the vapor refrigerant to enter the A/C system quicker. WARNING: Do not invert the refrigerant can. Doing so will allow liquid refrigerant to enter the system resulting in a ruined compressor.
When your A/C system has a LOW CHARGE, a refrigerant charge will have to added to check for the leak. Refrigerant that contains a dye for leak checking a system is used for this purpose. The manifold gauge set, refrigerant, and a can tap valve will be needed to add refrigerant to check for a leak in the system.
Even if you only drive on surface streets, the occasional rock or piece of debris can hit your vehicle's windshield and leave a mark. If you travel often on the freeways, it can happen much more frequently. If a piece of debris creates a minor chip in the glass, it may not cause a serious problem. However, if a crack develops, it can travel and grow larger. Eventually, it may even become a safety issue. Contact a windshield repair specialist and have the damage fixed.
This is true only if you want to overpay. There are windshield crack repair specialists that offer fast and affordable service, and they often come to your home or office to fix auto glass repair your windshield while you work.
Your windshield is what protects you and your passengers from any debris from the road that could come into your vehicle and harm you. For example some things that may hit your windshield are rocks, trash, cigarette butts, and other things that hit your windshield. It is important to keep your windshield in good condition so it can do its job and protect you. If you windshield is cracked, chipped or broken in any other such way it will not be able to do its job. Also it can actually significantly decrease your safety. Having a broken, chipped or cracked windshield can make it easier for debris to come through your windshield and actually send the glass flying your way as well.
Professional A/C technicians use an electronic leak detector to find leaks in an system. Use a battery-powered UV leak detector kit and special UV glasses. This kit can be purchased at auto supply stores and Internet A/C supply store fronts.
Ignore the damage. While small chips or cracks might not seem like a big deal at first, they can spread or otherwise sacrifice your vehicle's structural integrity. For maximum safety and compliance with the rules of the road, get your windshield repairs done right away.