What To Do About A Cracked Radiator Cause' title='What To Do About A Cracked Radiator Cause' />When we talk about a vehicle overheating, its worth having a basic understanding of how an automotive cooling system works. The heart of the system is the engine and. An earlier construction method was the honeycomb radiator. Round tubes were swaged into hexagons at their ends, then stacked together and soldered. Defective Radiator Caps A bad radiator cap can cause a lot of cooling system problems. You may think, the only purpose of your truck radiator cap is for adding. However, the most discouraging discovery that can be made in that direction, and which is the Instant Recognition of a Cracked Engine Block is also the very. What To Do About A Cracked Radiator Cause' title='What To Do About A Cracked Radiator Cause' />Volkswagen Jetta Radiator, 2. With all the heat and pressure that your vehicles radiator has to take, its no wonder youre your Volkswagen Jetta radiator eventually gives in to wear and tear. A faulty radiator can lead to overheating problems that cause major damage to other vital components of your vehicle, so its very important to ensure that your radiator is in tiptop shape. Keeping your engine cool is a tough job for your Volkswagen Jetta radiator, but you can help it perform better for longer by following these maintenance tips Keep your coolant at the proper level. Since one of the main causes of overheating is a low coolant level, it is very important that you keep your coolant and fluid mixture topped up. Check your Volkswagen Jettas service manual for the correct coolant level and make sure that you only use the type of coolant that is approved for your Jetta. Take your vehicle for a radiator check up every two years. Macro Scheduler 13 there. Most mechanics agree that bringing in your radiator for professional maintenance every two years can extend the components serviceable life. A professional radiator service usually takes care of the most common causes of radiator problems. This service usually involves flushing out the coolant, checking the thermostat, fans, and radiator cap, and fixing any radiator leaks. Replace your damaged radiator cap. A defective radiator cap will not be able to release excess pressure from your radiator, so make sure that you replace the cap if it cant perform its job properly anymore. Replace the radiator cap if it has worn out seals, a faulty spring, or corroded parts. It is also advisable to replace the radiator cap each time you drain and refill the coolant in your radiator. Visually inspect your radiator for signs of damage. Many external factors can take their toll on your radiator as well, so its important to give your radiator a visual inspection from time to time to check for any physical damage. Look for rusted radiator fins, cracked tanks, and brittle hoses and replace them when necessary. Replacing these worn out components as soon as possible can keep you from having to replace your entire radiator.