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Post Info TOPIC: sound a cracked flexplate makes


PETERBOROUGH, ONT

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sound a cracked flexplate makes
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I am at my wits end with my camaro.

 

I finally got it running after 8 years of sitting. Still a bit more to go.

 

When i got it back. It ran great. Lots of power. Engine made no sound.

I had to move the car in the spring due to a impending seperation and when i started it. It sounded like something let go in the engine. It ran fine. Did not smoke. Lots of power still. Noise went away almost when it warmed up but i can still hear it.

Oil pressure is great. Fires up no problem. Im hoping for a flexplate issue as im almost done with this bs. Im on the verge of selling it and cut my losses. I have limited time due to work and im burnt out.

I have a short vid i need to upload of it as i know its hard to diagnose without hearing it.



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BROCKVILLE, ONT

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The noise can vary but in some cases it will sound similar to a rod knock.

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PETERBOROUGH, ONT

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New noise. Short vid: youtu.be/hdInoBPGOFU

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COBOURG, ONT

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seems noisy but the crank hitting the dipstick?  ive had that happen before.  should post another vid from over the engine.  a flex plate will make a tinny kind of snapping knock, at least the ones Ive heard before



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ST MARYS, ONTARIO

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With a flex plate..in neutral you probably will not hear it, but when you pull it down into drive with a low idle you will hear it..best thing I found with no chassis ears is to head back behind one of the mall stores good acustics..park along side the building passenger window down do an idle test in neutral..then pull it into drive..feather the throttle and see if the noise changes with rpm  and it's more common than you may think..other wise you can use a long piece of heater hose in your ear and just move it around the area your hearing the noise to help pin-point it..



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TORONTO, ONT

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Sounds like the starter drive is hanging up and not disengaging when the engine starts.

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PETERBOROUGH, ONT

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I will grab another vid this week.



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PETERBOROUGH, ONT

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What i would really like to do is drop the damn car off and pay someone to finish it. Between my hectic work scedule and current seperation. I cant find the time to do it.

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ST MARYS, ONTARIO

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I had not listened to the video on my last reply..That is not a cracked flex plate.. I think it.s more to do with starter shiming..I agree with bruce The starter is either not shimed correctly or the teeth on the fly wheel do not match the starter teeth..there are different starter gears and number of teeth on flywheels. I could not tell if the problem was on engagement or binding when the engine started before it released..But I believe it is a starter-flywheel issue// that noise is talking to you..



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PETERBOROUGH, ONT

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Its a bosch hi tourque mini starter. I have had it for years. Never had this issue. I see your point on the sound if its not dis engaging or the flywheel "not flexplate lol" teeth are chewed. I would think its not dis engaging.

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COBOURG, ONT

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I do pretty much all and any work car related and im in Cobourg.  what does it need done to it to finish it?



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PETERBOROUGH, ONT

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All weatherstripping installed including t roof. I have everything. Patch in floor welded in. Pinholes in floor filled. All my new interior installed and some wiring cleaned up and new fuse block mounted.

I need to order a few small clips and things but thats a non issue.

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ONTARIO

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Sounds like a Chev to me !!

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BADEN, ONT

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Indeed it does sound like a Chevy!...that the starter won't fully retract.

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ONTARIO

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Gazoo wrote:

Indeed it does sound like a Chevy!...that the starter won't fully retract.


 I guess Chev starters are designed to never retract because they never start.



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BADEN, ONT

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Do you think anyone's reading our replies, or...are they just looking at our avatars?

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PETERBOROUGH, ONT

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I will join your game with the pic of the new gf.

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FOXBORO, ONT

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Bruce Rossiter wrote:

Sounds like the starter drive is hanging up and not disengaging when the engine starts.


 x2



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PETERBOROUGH, ONT

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I wont be able to check it until next sunday. I habe my car at my buddys for safekeeping as the ex thinks shes entitled to half. And her new bf was scoping it out when he was at my house.

I will keep you updated.

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BADEN, ONT

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Hopefully all works out well for you.
And for the starter, maybe just the bendix.

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NIAGARA FALLS, ONT

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I have tried to follow your postings but the Avatars keep getting in the way. All i have been figure out so far is you got a noise. If you have an automotive stethescope you should be able to pin point it. If you don,t have one i,l keep following your Avatars,,,,,, er ,,, postings.

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WATERDOWN, ONT

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Got a buddy with a hotrod s10 383 and whoever put it together didnt torque or check the flexplate bolts found one hanging on two threads,,just sayin



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WATERDOWN, ONT

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I,m not changing my avitar,,,,just because,,

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S/W ONTARIO

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the cracked flex plate that I once had was cracked just out from the crank. It sounded just like a bird chirping
TMJ

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PETERBOROUGH, ONT

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I will have some time in the next few days to look at it. I got 1 more shift left before my 3 days off.

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OSHAWA, ONT

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I had a cracked plate in my 68. It ticked, or squeaked like toomuchjunk said, drove me fricken nuts trying to find out what it was.

It did not sound like that.

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MILTON, ONTARIO

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I would be checking out the torque converter. Sounds like the spragge is binding or the stator has separated.

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PETERBOROUGH, ONT

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I havent had time to check it out yet. I am gutting the house and into a storage locker.

To the guys i owe phone calls too. You are not forgotten, i just have more pressing issues at the immediate time. But you will be called!

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