Hey guys so this really annoying knocking noise from under the dash has come back and it's driving me crazy. I got my mechanic to fix it the first time round and he said it was the a/c hose of something rattling against the firewall, I'm just going try to fix it myself this time, anyway does anyone know how I can get to the firewall on the passenger side of the car, I took the glove box out but there's a big black unit (I think it's got something to do with the air conditioner) blocking any access to the front of the car
Any help would be much appreciate thanks guys!!