Hello everyone. I'm new to the forum and pretty new to the world of cars. I have a C4 Corvette with a LT1 engine and I love the car. Here are some noises that worry me. There are 2 noises, 1 video for each
FIRST a "wob wob wob" Took the video at about 150 F a couple minutes after start up.
https://www.youtube.com/watch?v=3Jwc46iGiYo
SECOND is like a fast "tih-tih-tih" and first noise is gone from what I can tell. I took it after a 12 minute drive, cars fully warm at about 205F - C4s run pretty warm
https://www.youtube.com/watch?v=hn936t7Qv78
I spent 4 to 5 hours researching this but I'm still trying to narrow it down. It could be dirty oil, dirty or bad lifters, dirty or bad injectors a bent rod or worn cam lobe?? The oil was changed 500 miles ago from 5W30 to 5W30 synthetic. Engine performance is good, start up is good.
The second noise seems to be coming from where I mostly had the camera. I just learned how to change brakes and I also just learned what a lifter is so I will end up taking it to a shop but Im hoping you guys can help me understand this potential problem better. I am learning as much about the C4 as I can and want to take very good car of this car.
Last thing. IS THIS TRUE? If its a bad lifter, the lifter roller bearings can fail or even disintegrate which will obviously cause engine damage. Thank you for the help.
FIRST a "wob wob wob" Took the video at about 150 F a couple minutes after start up.
https://www.youtube.com/watch?v=3Jwc46iGiYo
SECOND is like a fast "tih-tih-tih" and first noise is gone from what I can tell. I took it after a 12 minute drive, cars fully warm at about 205F - C4s run pretty warm
https://www.youtube.com/watch?v=hn936t7Qv78
I spent 4 to 5 hours researching this but I'm still trying to narrow it down. It could be dirty oil, dirty or bad lifters, dirty or bad injectors a bent rod or worn cam lobe?? The oil was changed 500 miles ago from 5W30 to 5W30 synthetic. Engine performance is good, start up is good.
The second noise seems to be coming from where I mostly had the camera. I just learned how to change brakes and I also just learned what a lifter is so I will end up taking it to a shop but Im hoping you guys can help me understand this potential problem better. I am learning as much about the C4 as I can and want to take very good car of this car.
Last thing. IS THIS TRUE? If its a bad lifter, the lifter roller bearings can fail or even disintegrate which will obviously cause engine damage. Thank you for the help.