Help! Random rattle from engine

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Jun 12, 2016 | 10:17 AM

#21

extrapilot

Melting Slicks

Joined: Dec 2013

Posts: 2,232

Likes: 315

From: Bridgewater New Jersey

Quote:

Originally Posted by sevinn

It's not quite as rhythmic as the one here but it really could be the cam bolts. I think you can get to the sensor so I'd definitely check.

https://www.corvetteforum.com/forums...ine-knock.html

Take that sensor out and go from there.
Like I said before, you'll probably see that the sensor is scored on the face, or if not, you maybe able to wiggle the cam sprocket through the hole to confirm looseness there.

Jun 12, 2016 | 03:50 PM

#22

psxer989

Thread Starter

Racer

Joined: May 2009

Posts: 470

Likes: 15

From: Corona CA

I took the sensor out but didn't see any marks or metal. Still could be a cam bolt but couldn't confirm it with the cam sensor.

Jun 12, 2016 | 05:32 PM

#23

extrapilot

Melting Slicks

Joined: Dec 2013

Posts: 2,232

Likes: 315

From: Bridgewater New Jersey

Quote:

Originally Posted by psxer989

I took the sensor out but didn't see any marks or metal. Still could be a cam bolt but couldn't confirm it with the cam sensor.

Sounds like you going to have to dive into this more, but the only other thing that I could see happening is possibly the center crankshaft bolt coming loose, allowing the HB to release pressure to the oil pump drive and crank sprocket which could make some rattling noise...
Barring that, pulling the front timing cover is next, if your pretty sure the noise is at the front. Good luck..

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