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Discussion Starter #1
Sooooooooooo, it finally has a problem.

Her volt makes a clicking noise when you apply the brakes and when you sit in it the first time after a cold soak (Like a handful of hours).

I work out of town a lot, so I haven't had a chance to pop off a wheel and look (I suspect calipers hanging up?) but I thought why not ask here and see if theres a "See it all the time, you need a *****" answer.

Thanks!
 

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Discussion Starter #3
Maybe the loose axle shaft nut issue? The aftermarket caliper kits hardware kits have also stopped some of those noises.
WOT
"The" loose axle nut issue? First I've heard of it, please school me.
 

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I had this problem in the ELR. It was obvious at low speeds in stop and go traffic. For example, sitting in line with ten other cars at a stop sign. It was a soft click but definitely discernible when the brake was pressed and released.The fix was to replace both nuts, which is the Rx called for by the protocol.

My Bolt now makes a similar noise when going up a slight incline at slow speed when the brake is depressed and released. I don't think this is a caliper issue, mostly because my dealer looked at it and told me it wasn't. I plan on taking it in when I need my next oil change but at the moment I'm not doing anything about it.
 

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On my 2013 it turned out to be a pin on the calipers. They removed both front wheels to expose the calipers and lubed the pin's and all was well.
 

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Sooooooooooo, it finally has a problem.

Her volt makes a clicking noise when you apply the brakes and when you sit in it the first time after a cold soak (Like a handful of hours).

I work out of town a lot, so I haven't had a chance to pop off a wheel and look (I suspect calipers hanging up?) but I thought why not ask here and see if theres a "See it all the time, you need a *****" answer.

Thanks!
Elemental, I was going to suggest the same thing what you mentioned...pop off a tire and check the pads. My mazda3 does that all the time....clicking....really annoying. When/if you find out...can you do a final post in this thread stating what it was?....curious
Ps...have you tried Kokanee beer yet? Like I mentioned?...good beer man :)
 

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Discussion Starter #9
WONDERFUL! This "sounds" like exactly what I have going on. Looks like the test is easy - Tighten existing nut and see if it goes away... If so, order $20 of new parts.

Love it!

Haven't had a chance to try KoKanee. :( I'm just on the road too often lately.

In fact, not that I am a Clooney fan, but this I can relate to his character in this movie. :)

http://www.imdb.com/title/tt1193138/trivia?ref_=tt_trv_trv
 

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Sooooooooooo, it finally has a problem.

Her volt makes a clicking noise when you apply the brakes and when you sit in it the first time after a cold soak (Like a handful of hours).

I work out of town a lot, so I haven't had a chance to pop off a wheel and look (I suspect calipers hanging up?) but I thought why not ask here and see if theres a "See it all the time, you need a *****" answer.

Thanks!
I had the exact same problem on my 2013, the passenger side axle nut. It's definitely the axle nut. Many 2013 models weren't torqued correctly... My mechanic just gave it a quick tighten! The click is gone and all is good!
 

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Sooooooooooo, it finally has a problem.

Her volt makes a clicking noise when you apply the brakes and when you sit in it the first time after a cold soak (Like a handful of hours).

I work out of town a lot, so I haven't had a chance to pop off a wheel and look (I suspect calipers hanging up?) but I thought why not ask here and see if theres a "See it all the time, you need a *****" answer.

Thanks!
Since I have 2 2013s I think I may have an answer. Believe it or not there is a firmware update that fixes that. Found the work order. Bulletin # PIC 5734A or B Corrected by (0103) (6573) Electronic Brake Control Module Reprogramming with SPS
 

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I had this problem and tried replacing the axle nuts myself. It did not help. The dealer ended up replacing both axles under warranty.
 

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I had the accel/decel click/pop issue for about 6 months. I even bought the nut and tension washer needed to fix it. But, ended up not having time to pull the axle to install the washer.


Finally got tired of listening to it and brought it to the dealer. They ended up changing the axle half-shaft (total overkill). It was covered by the powertrain warranty, so all good!
 

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Happened to me. Cost me $168 because I was too stupid to take the wheels off an attempt to torque my nuts missing opportunity to add yet another tool to my tool collection. I read forum posts and was thinking I must have some complex bearing problem, surely it's not a problem with my nuts. Mine was out of warranty on the bumper to bumper and I probably should have argued that this was part of the powertrain, but my service advisor Paula was so sweet that I couldn't help but pay her (or maybe I just needed an excuse to visit her - my wife is actually jealous about how often I see Paula).

Then after it was fixed, there was a time in this forum where we concluded that this only happened to white diamond tricoats.

So Elemental, you must go torque your nuts.
 

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an attempt to torque my nuts ....Paula was so sweet that I couldn't help but pay her (or maybe I just needed an excuse to visit her - my wife is actually jealous about how often I see Paula).

So Elemental, you must go torque your nuts.
I think I would let Paula do it.
 

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The problem is usually a worn or missing tension washer between the axle halfshaft and wheel hub. Torqueing the axle nut may quiet it for a while, but it'll return. I have seen some cases where the axle nut was very loose, and torqueing it properly fixed the issue. But, if you try torqueing the nut and it's already close to spec, then that washer has to be changed.


For some reason GM does not have a TSB for this issue for the Volt (though they do for other cars), so the dealer techs don't know what to do and end up changing the axle halfshaft. That fixes the issue because the new halfshaft requires a new tension washer. It should be covered under powertrain warranty.
 

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Discussion Starter #19
OK. Elemental, you must have Paula torque your nuts!!!
Done! Where can I find her!?

Maybe in return I can lube her chassis?
 

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