To repair a plastic radiator tank, you need to melt a nylon rod onto the damaged area. This can be done with a heat gun and welding machine. The repair process may take an hour or more, depending on the extent of the radiator damage.Know More
Drain the radiator's coolant until the liquid in the radiator is well below the damaged area. Dispose of the coolant in accordance with local regulations.
Using a handheld grinder, smooth the area around the crack or hole to remove any jagged edges, and make a V-shaped indention over the damaged area.
Use a heat gun, if possible, to soften the plastic nylon rod before melting it with a welder. The nylon rod should be melted into the V-shaped indentation with a welding machine. Some of the surrounding plastic on the radiator tank is likely to also melt. Mix the nylon with the additional plastic to form a stronger patch.
After the patched area has cooled sufficiently, add the appropriate amount of coolant to the radiator, and test the patch by allowing the car's engine to run for several minutes.
A person can determine if the radiator needs flushed out by checking the color of the coolant inside. This is done by loosening the drain valve.Full Answer >
Flush your vehicle's radiator by draining the coolant, refilling it with chemical flush product and water, starting the vehicle and bringing it to operating temperature, draining a second time, and refilling the radiator with an antifreeze mix. This job completes in the span of an afternoon.Full Answer >
To replace a radiator, remove the coolant, disconnect and remove the old radiator from the engine compartment. Install the new radiator, and fill it with coolant.Full Answer >
To bleed a radiator, fill the radiator and the coolant reservoir with a mixture of water and antifreeze, and run the engine with the radiator cap off until the air in the radiator escapes. Finally, refill the radiator and the coolant reservoir to the top, and replace the radiator cap.Full Answer >