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Creaking roof issue has a simple official fix

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Old 08-19-2015, 05:36 PM
  #21  
Casey VP26
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Hey Speednet Thanks for the headsup, We will get to the bottom of this washer.
Old 08-19-2015, 07:34 PM
  #22  
gbjerke
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Default Armor-All

Have not had this issue but do remember comment on the C6 venue that a number of those owners used to use Armor-All on the rubber over the roof panel and that took care of it.
As I recall, this "fix" lasted a few weeks/months(?). Merely re-apply for another period of time.
Sort of a PITA, but certainly a quicky fix.
Old 08-19-2015, 08:23 PM
  #23  
MikeyTX
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Default Wave washers

Wondering if it's 4 wave washers that are placed under the 4 guide pins. When the top is snugged down, the pins fit into the recessed holes. This would allow the wave washers to compress against the rear frame as well as the windshield header, providing just enough tension to stop the roof creaking.
Old 08-19-2015, 08:42 PM
  #24  
BradSW
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I just talked to my service manager yesterday about my extreme creaking and popping. I have tried silicon grease and adding two o-rings to the front posts to no avail. The only thing that makes it silent is pulling out the handles just a bit so there is no pressure. Then completely silent.

Took him for a ride to hear it all. He called GM and apparently they are working on a fix and I'll be the first one. Interesting that this washer thing didn't come up so will see what happens.....and will be interested in more info on this fix.
Old 08-19-2015, 08:57 PM
  #25  
Walt White Coupe
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Have them drop the full up position of the windows.
Old 08-19-2015, 11:20 PM
  #26  
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Old 08-19-2015, 11:24 PM
  #27  
motomanvette
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Does the roof creak when it's on or stowed in the hatch???
Old 08-20-2015, 01:30 AM
  #28  
wjresq
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See the attached diagram. The washers must be at 14 or 15. I suspect 14, as that would allow the handle 12 to move up and down a bit against the underside of bolt 13.
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Old 08-20-2015, 06:54 AM
  #29  
JerryU
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Originally Posted by BradSW
I just talked to my service manager yesterday about my extreme creaking and popping. I have tried silicon grease and adding two o-rings to the front posts to no avail. The only thing that makes it silent is pulling out the handles just a bit so there is no pressure. Then completely silent.

Took him for a ride to hear it all. He called GM and apparently they are working on a fix and I'll be the first one. Interesting that this washer thing didn't come up so will see what happens.....and will be interested in more info on this fix.
Originally Posted by wjresq
See the attached diagram. The washers must be at 14 or 15. I suspect 14, as that would allow the handle 12 to move up and down a bit against the underside of bolt 13.
These two posts sound like the washers were found! As I recall my C6 "popping" there is a ramp on the lever. Sounds like a "bent washer" or a "Belleville washer" would keep tension on the assembly. Actually a Belleville washer of the proper size and thickness would make the most sense.

Last edited by JerryU; 08-20-2015 at 07:24 AM.
Old 08-20-2015, 07:46 AM
  #30  
ElSpa
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number 14 washer is the bent one, but it's the same in all 14-16 (mine is a 2014 and it's bent)
Old 08-20-2015, 08:01 AM
  #31  
Speednet
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Yes, it looked like #14. So I guess that one is on the rear latch, and the bent washer keeps pressure on the latch.
Old 08-20-2015, 08:13 AM
  #32  
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Its on the front latch, it goes on the bolt the secures the latch
Old 08-20-2015, 08:22 AM
  #33  
Speednet
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Originally Posted by ElSpa
Its on the front latch, it goes on the bolt the secures the latch
lol, I am terrible at reading those diagrams.
Old 08-20-2015, 10:13 AM
  #34  
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Still wondering if this "washer fix" applies to 2014. Make sure you have grommet/shim - #5 in the diagram. Mine was squashed out of shape.

Last edited by fredmills; 08-20-2015 at 10:19 AM. Reason: addedtext
Old 08-20-2015, 10:58 AM
  #35  
JerryU
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Originally Posted by fredmills
Still wondering if this "washer fix" applies to 2014. Make sure you have grommet/shim - #5 in the diagram. Mine was squashed out of shape.
Hmm. Not clear from the diagram, does the #5 grommet fit over pin #3?
Old 08-20-2015, 12:31 PM
  #36  
triodes
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Originally Posted by JerryU
Hmm. Not clear from the diagram, does the #5 grommet fit over pin #3?
All I know is I have tried the grease bit, the o-ring bit, tightened the back latch, and the top creaks like mad when warm. Enough that if it does not get fixed, I will sell the car. Its maddening.
Old 08-20-2015, 01:01 PM
  #37  
gsgold
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Default Rear Clamp Noise

Originally Posted by bob guzzy
Mine was quiet up until this year about 2500 miles then it only made a slight noise when the car was cold.

I lubed the seals and tightened the rear clamp that stopped the noise, I do think most tops would stop making noise by tightening the rear clamp.

I would tighten the rear clamp before doing anything else, you do not need to remove the roof panel to tighten this clamp but you will need a small allen wrench 15/64 do not move the hook without turning out the allen screw.
How did you tighten the rear clamp. I have a 2016 and it has a cover that fits over the clamp. Mine is loose and when I hit bumps I can hear it move.

Thanks

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Old 08-20-2015, 01:08 PM
  #38  
mike96ss
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Originally Posted by JerryU
Hmm. Not clear from the diagram, does the #5 grommet fit over pin #3?
Yes it does. I have even added a thick flat rubber washer on Pin 3 1st and then put the beveled washer #5 on. This created more pressure when latching the front latches. Made a little bit of difference but the creaking noise is not completely gone.
Old 08-20-2015, 01:36 PM
  #39  
JerryU
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Originally Posted by mike96ss
Yes it does. I have even added a thick flat rubber washer on Pin 3 1st and then put the beveled washer #5 on. This created more pressure when latching the front latches. Made a little bit of difference but the creaking noise is not completely gone.
Thanks, good info. With my '08 C6 they replaced both from locking levers with a "new design" that was supposed to solve the problem. Did for a while! Mine is not very bad and currently solving it like road noise by having the radio play loud enough to mask it!
Old 08-20-2015, 03:43 PM
  #40  
fredmills
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Originally Posted by JerryU
Hmm. Not clear from the diagram, does the #5 grommet fit over pin #3?
Yes. With identical situation on other side.


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