Why is my heater knocking in my car?
Why is my heater knocking in my car? If a clanging or knocking noise occurs only when your furnace first starts or right after it stops blowing hot air, the sound probably is caused by expansion and contraction. When steam radiators start emitting a loud knocking or banging sound, it's usually because there's condensed steam (water) trapped in the pipes. How to fix tapping or knocking noise behind the passenger? If you've started to hear a continuous clicking/tapping/knocking noise behind the passenger side of your dashboard on your Chrysler 200 then this is the fix. To temporarily stop the tapping...