2002 Chevrolet Avalanche 1500 Q&A

2002 Chevrolet Avalanche 1500 Question: strange noise after replacing radiator fluid

Shortly after flushing out the radiator and replacing the fluid, i started hearing, what sounds like a fan running intermittently, while i'm driving. Could this be something I did wrong when flushing the radiator? any help would be greatly appreciated! -
Answer 1
ck your fluid level it may be low or have an air bubble in it -