The radiator is probably the most cardinal Component of the cooling method in the Pontiac Bonneville. In categorization to deposit it working at zenith efficiency, an owner must perform regularly scheduled continuation. Flushing the radiator is a prime for instance of this continuation. This bother doesn't wish any particular automotive experience, aloof supersede these child's play instructions.
Instructions
1. Deed the Pontiac Bonneville to a Apartment lodgings earth and engage the parking brake. Then, dehiscent the hood and verify the surface temperature of the radiator. Provided it's pleasant to the touch, wait for it to air-conditioned.
2. Turn the radiator cap one complete rotation, operation back and wait a unusual seconds, and then remove the cap completely. Any era you unbolted a radiator, you duty to be correct cautious, as it can spew close coolant and burn anyone in the earth.
3. Position a 2-gallon bucket underneath the radiator and below the void plug. In some year models of the Pontiac Bonneville, there may be no filter plug. In this occasion, you Testament need to remove the upper and lower radiator hoses and conduct the flush through them. Before you remove the hose, squeeze it. If the hose is tight, that means there is coolant in the hose and you need to be very careful.
4. Remove the drain plug or radiator hose and allow the old coolant to drain completely from the car. When it finishes, be sure to pour the coolant into a sealable container and put the bucket back into its original position.
5.8. Start the Pontiac Bonneville and turn the heater to high. Allow it to run for about Ten minutes or until the cooling fan turns on twice, whichever comes first. Replicate this procedure until the water runs debris free out the bottom of the radiator.
6. Replace the Pontiac Bonneville's drain plug or radiator hose and dispose of the coolant flush.
7. Refill the radiator with fresh coolant to within an inch of it overflowing. Check the drain plug and hoses for any possible coolant leaks.
Close the drain hose or plug. Fill the radiator with distilled water to start the flush. Next, open the plug or hose To admit the radiator to drain into the bucket. Then, switch the engine off and check the coolant level. If it is lower, then add more coolant. If not, put the radiator cap on and close the hood.
