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Old 12-05-2018, 04:19 PM   #1
Pinchlite
 
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Clinkling,tinkling metallic sound.

It only makes this noise when in the higher revs just before you would gear up.Lets say I have it in third going up a hill and stay in the higher end of third I hear this tinkling sound,could be comming from passenger side of engine?.As soon as I change gear the noise dissapears because of lower rpm.Just curious if any others have heard same noise?

From a bit of research this could be the timing chain?
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Old 12-05-2018, 04:55 PM   #2
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My best guess is that the heat shield around the exhaust manifold has rusted in one or several locations and is rattling. The easiest fix is just rip it off.
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Old 12-05-2018, 04:58 PM   #3
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My best guess is that the heat shield around the exhaust manifold has rusted in one or several locations and is rattling. The easiest fix is just rip it off.
+1

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Old 12-05-2018, 04:58 PM   #4
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I do not think the sound is related to vibration.The higher rpm is not causing vibration/s

I will remove shield and see,but...
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Old 12-05-2018, 05:01 PM   #5
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Easy enough to check it. Just reach in over the valve cover and grab it. If it moves, then there is your answer. Chances are one or both of the attachment points near where the exhaust pipe meets the manifold are shot. I ripped mine out last year.

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Old 12-05-2018, 05:02 PM   #6
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+1

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Have you heard what Iam describing only higher rpm?

If it is the shield which one.The one closer to the gas tank was resecured with self taping screws when I did Ebrake cable.You say manifold so it would be inside the engine compartment?
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Old 12-05-2018, 05:04 PM   #7
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Easy enough to check it. Just reach in over the valve cover and grab it. If it moves, then there is your answer. Chances are one or both of the attachment points near where the exhaust pipe meets the manifold are shot. I ripped mine out last year.

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Will check in the morning.Appreciate everyones help and post back with update.
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Old 12-05-2018, 05:44 PM   #8
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Oh oh oh check your water pump/ water pump seal.
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Old 12-06-2018, 09:54 AM   #9
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Solved!

Quote:
Originally Posted by WeeYari View Post
Easy enough to check it. Just reach in over the valve cover and grab it. If it moves, then there is your answer. Chances are one or both of the attachment points near where the exhaust pipe meets the manifold are shot. I ripped mine out last year.

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You were correct as usual.I reached back and sure enough loose and makes exact noise I heard when moved.Its not quite tear offable but will remove in the spring.
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Old 12-06-2018, 09:56 AM   #10
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Solved: weeyari and the barber were 100% correct.
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Old 12-06-2018, 03:13 PM   #11
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huzzah!
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Old 12-06-2018, 03:17 PM   #12
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Its actually still attached fairly good.Looks to be one of the 3 screws that has come undone.I may try to rescrew the one.

Tight fit and may need to remove black engine cover thing and cowling.Just glad the noise is cosmetic so to speak.
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Old 12-06-2018, 06:33 PM   #13
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Its actually still attached fairly good.Looks to be one of the 3 screws that has come undone.I may try to rescrew the one.

Tight fit and may need to remove black engine cover thing and cowling.Just glad the noise is cosmetic so to speak.
They probably rusted and broke off.

My 2 bottom bolts have completely broken off, so if anything, I'm just going to remove the shield. My exhaust manifold had a hole where it meets the cat,so it might just be a new exhaust manifold at that point.

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Old 02-03-2019, 05:44 AM   #14
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heat shield - is it like an aluminum sheet covering the exhaust pipe and held by 3 bolts? i think my heat shield also moves and make a sound, it looks like it has a washer made of rubber???? there is slight play but you can hear it metal to metal hitting the bolts..

i think i need to replace the washers but i dont know the part number... can you pls tell me the part number of the washers used for this?

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Old 02-04-2019, 06:46 AM   #15
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Originally Posted by rayfloyd170 View Post
heat shield - is it like an aluminum sheet covering the exhaust pipe and held by 3 bolts? i think my heat shield also moves and make a sound, it looks like it has a washer made of rubber???? there is slight play but you can hear it metal to metal hitting the bolts..

i think i need to replace the washers but i dont know the part number... can you pls tell me the part number of the washers used for this?

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Yes, it’s just an aluminum sheet

Just take it off. It’s so much easier than messing around with it to keep it
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Old 03-27-2019, 02:45 PM   #16
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rattle

Quote:
Originally Posted by thebarber View Post
My best guess is that the heat shield around the exhaust manifold has rusted in one or several locations and is rattling. The easiest fix is just rip it off.
I got the loose shield off.Still tinkling metallic sound higher revs.Cant see anything else loose.

Could it just be the engine showing its age?

Its annoying whatever it is.I have heard identical sound on older beat up cars.
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Old 03-27-2019, 02:53 PM   #17
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There are six heat shields in total. The other 5 are all under the car. You'll have to get under there and check them all for corroded connection points. I've had to deal with 3 underbody shields over the past few years.

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Old 03-27-2019, 02:57 PM   #18
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There are six heat shields in total. The other 5 are all under the car. You'll have to get under there and check them all for corroded connection points. I've had to deal with 3 underbody shields over the past few years.

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Will do.

Currently looking around and came across this.He describes what I have pretty near spot on.

https://www.rx8club.com/rx-8-discuss...-makes-218482/

I know these are rotary engines and they have a metallic sound but thats not what he is talking about.(I used to have a RX7 BTW)

This post aswell.Heatshields.

I will check it out tomorrow.

https://itstillruns.com/car-problems...g-5522072.html
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