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Noise/clank when turning engine off?

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Old 06-02-2006, 11:53 PM
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Question Noise/clank when turning engine off?

Hey all, got a quick one for ya...and I searched it out and couldn't find anything really similar.

Since i've gotten the car, i've noticed that after the engine is warmed up and all, I'll drive to where i'm goin, and then go to turn the engine off. It almost sounds like something coming to a haltering/stammering stop, almost like a clanking stop. I'm not sure if it's transmission or engine, but I know that anytime I've got the windows down, it's definetely there. When I turn off the engine, i have the car in neutral with the clutch fully engaged.

If this normal, or have any of you noticed this? It's not enough to scare a person outside the car or anything, but it just sounds...abrupt for when you turn the engine off.

What do you all think?
Old 06-03-2006, 01:00 AM
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its like a clank when you turn the engine off? i get that too. you get to hear it a lot more when you do it inside the garage. it's fine.
Old 06-03-2006, 01:52 AM
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Come to think about it, I hear it a lot more often when I'm in the hospital's parking garage... that's definetely where it's most distinct.

Glad to see i'm not alone...not sure if it's the rotary by nature or the transmission finally resting, but it certainly had me a lil concerned when I first heard it. And yea, a stammering clank is the best way to describe it. thanx
Old 06-03-2006, 02:10 AM
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ignition turning off. that is all i believe. no biggie
Old 06-03-2006, 03:41 AM
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snakes on the transmission.
Old 06-03-2006, 03:58 AM
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Originally Posted by Crazy Rx-8 Driver
ignition turning off. that is all i believe. no biggie
Correct. It's an electrical relay or solenoid de-energizing.
Old 06-03-2006, 07:08 AM
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i'm rather suprised its electrical to be honest...i'd have defientely guessed it was mechanical. Reassuring nonetheless that it's nothing serious thanx all
Old 06-03-2006, 11:18 AM
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when you turn the engine off the SSV flaps open and closed to make sure its not stuck
Old 06-03-2006, 06:04 PM
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^Ahh thats what that is. Thanks Zoom44
Old 06-03-2006, 08:40 PM
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^^^ What he said. Great info. Is the SSV operated by vacuum, or electrically?
Old 06-03-2006, 08:46 PM
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Originally Posted by presequel
snakes on the transmission.
nope, its a unicorn in the muffler jumping up and down
Old 06-03-2006, 08:51 PM
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Originally Posted by presequel
snakes on the transmission.
It's a known fact that snakes are attracted to planes, not car transmissions.

Old 06-03-2006, 10:58 PM
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Whats the SSV?

And, it does it without you ever turning the engine on. Put it in accessory mode, right before the engine cranks - then turn it off. Clunk
Old 06-03-2006, 11:04 PM
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Originally Posted by Imidazole
Whats the SSV?

Secondary Shutter Valve
Old 06-05-2006, 02:26 PM
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I'd guessed that's what the "clack" (that's how *I'd* describe it) about a second after shutdown was, but, I couldn't guess why the SSV would've been opened while the car was at idle..... Makes perfect sense now. Thanks Zoom.
Old 06-05-2006, 02:28 PM
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or it could be the flywheel. It does the same on the G coupes and the 350 z's. Or it could really be the ssv thingy.
Old 06-05-2006, 02:55 PM
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Glad to see i'm not alone...just found it rather funny that the topic has never been covered before! Or maybe i'm just search deficient.
Old 06-05-2006, 03:03 PM
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Yah like previous poster posted. shouldnt worry bout
Attached Thumbnails Noise/clank when turning engine off?-dimsig.jpg  
Old 06-05-2006, 04:49 PM
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Originally Posted by Stavesacre21
Glad to see i'm not alone...just found it rather funny that the topic has never been covered before!

well

https://www.rx8club.com/showthread.p...ighlight=clank

https://www.rx8club.com/showthread.p...ighlight=clank



and i was wrong here- i forgot the actual source and as you'lll see in those threads it isnt the first time

if the test failed you would get a CEL with the following code

DTC P2119
Throttle actuator control throttle body range/performance problem
DETECTION CONDITION

* The PCM compares the TP with default TP when the ignition switch is turned off. If the TP is higher than the default TP, the PCM determines that there is a throttle actuator control throttle body range/performance problem.

* Diagnostic support note

This is a continuous monitor (CCM).

* The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.

* PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.

* FREEZE FRAME DATA is available.

* The DTC is stored in the PCM memory.
Old 06-06-2006, 09:38 AM
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So, just out of curiosity, are the aux. and secondary shutter valves tested anywhwere?
Old 06-06-2006, 08:49 PM
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Originally Posted by zoom44
well

https://www.rx8club.com/showthread.p...ighlight=clank

https://www.rx8club.com/showthread.p...ighlight=clank



and i was wrong here- i forgot the actual source and as you'lll see in those threads it isnt the first time

if the test failed you would get a CEL with the following code
Gosh dang it....I freakin knew someone would find this somewhere if they looked hard enough! I search under clank/bang/shimmy/bang/studder/shudder and lock. Of course it wouldn't be any of those words.

Blasphemy.

Old 06-06-2006, 09:20 PM
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clank was the search subject see highlight=clank

really i found it cause i knew it was there because i was in the thread
Old 06-07-2006, 06:08 PM
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I never hear any clank but the engine does say "ah ****, I wanted to do more" when I shut it off.
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