gtate
LVC Member
Yesterday I replaced the water pump and thermostat. I filled everything up with coolant and started the car to begin the cooling system bleeding procedure. Initially (for the first 30 seconds) everything went as expected. Then I heard a really loud ticking from the front of the passenger side of the car. I cut the car off to see if I had dropped any tools on that side that I had missed that were being hit by a pulley or something. Nothing seen so I started the car again. I listened for a bit and localized to the front of the PS of the engine. The car was running fine and so I increased the RPMs a bit to see the effect on the sound. It smoothed out and got intermittent for a few seconds.... and then all hell broke loose. It sounded like a thousand ball bearings hitting the inside of the motor at 100 miles an hour... or maybe like a nut dropped into the intake that made it's way into the cylinder.
Now if I start it at all it still runs like it's on all 8 cylinders but it also sounds like something is trying to escape from inside. My first paranoid thought was that I actually did somehow drip a nut or screw into the throttle body but I really don't see how I could have done that. All screws were accounted for when I was done.
Do the timing chains make this type of a noise when something breaks? Maybe a tensioner?
Now if I start it at all it still runs like it's on all 8 cylinders but it also sounds like something is trying to escape from inside. My first paranoid thought was that I actually did somehow drip a nut or screw into the throttle body but I really don't see how I could have done that. All screws were accounted for when I was done.
Do the timing chains make this type of a noise when something breaks? Maybe a tensioner?
