The radiator cap is more than a cap for your radiator; it keeps your engine cool by sealing and pressurizing the coolant inside it. It is designed to hold the coolant in the radiator under a ...

We may receive a commission on purchases made from links. Whenever I get my hands on a newly bought used car, my checklist includes inspecting a few underhood items as part of the "getting-to-know-the ...

Q–My ’89 Plymouth Voyager was overheating so I took it to a radiator shop where they pressure-tested it and replaced the radiator. Three radiators later (I only paid for one and they apologized for ...