Loud click when breaking
Thread Starter
Safety Car
Joined: Sep 2006
Posts: 3,846
Likes: 0
From: Boca Raton Inlet, Atlantic Ocean (Floridas east coast)
Loud click when breaking
Hey everyone, I have this really annoying click sound every time my 06 auto comes to a near stop. It does it almost every time I hit the breaks, slowing to around 8mph. Its a click like a snapping carrot and seems to come from the center of the car, more towards the rear.
Its not associated with the breaks because it will still do it if I coast and slow to around 8-10mph.
Just wonding if someone else expierienced this with a solution before I take it to the stealership, its driving me craaaazy
Its not associated with the breaks because it will still do it if I coast and slow to around 8-10mph.
Just wonding if someone else expierienced this with a solution before I take it to the stealership, its driving me craaaazy
Advanced
Joined: May 2010
Posts: 56
Likes: 1
From: Ozark Alabama
Agreed. I hear the relay coming ffrom the vicinity of the fuse box area anytime I step on the brake. I assume it is what releases the locking mechanism for the auto shifter. Might be wrong though.
Safety Car
Joined: Aug 2004
Posts: 4,194
Likes: 7
From: Euless Texas
99% sure it's the brake relay in the fuse box under the passenger footwell. There was a TSB for it a few years ago, but I don't remember '06s being affected by it. It could be that yours just went bad. No biggie, take it to the dealer an have them replace it, it's cheap.
Le Mans Master
Joined: Oct 2004
Posts: 6,813
Likes: 287
From: Toronto Ontario Canada
99% sure it's the brake relay in the fuse box under the passenger footwell. There was a TSB for it a few years ago, but I don't remember '06s being affected by it. It could be that yours just went bad. No biggie, take it to the dealer an have them replace it, it's cheap.
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Le Mans Master
Joined: Dec 2004
Posts: 5,492
Likes: 808
From: West coast CA
It's not the brake light relay. The OP says right in his post "Its not associated with the breaks because it will still do it if I coast and slow to around 8-10mph."
Does it happen when the auto gearbox downshifts?
Does it happen when the auto gearbox downshifts?
Melting Slicks
Joined: Oct 2004
Posts: 2,340
Likes: 176
From: Kernersville NC
If it doesn't do it by pushing on the break but still does it at 8mph it might be something happeningint when the transmission goes in first. Try manually putting it into first or second and doing the same thing.
Thread Starter
Safety Car
Joined: Sep 2006
Posts: 3,846
Likes: 0
From: Boca Raton Inlet, Atlantic Ocean (Floridas east coast)
Thanks everyone for the possible solutions. Ill try GMANS transmission test and see what happens.
Its def not the relay because it comes from under the car and passangers agree its an area behind our seats. Plus the noise isnt associated with the breaks.
Gotta be the transmission GULP!
BTW, I couldnt find anything loose under the car.
Its def not the relay because it comes from under the car and passangers agree its an area behind our seats. Plus the noise isnt associated with the breaks.
Gotta be the transmission GULP!
BTW, I couldnt find anything loose under the car.
Last edited by LMB 4 ME; Jun 22, 2011 at 06:38 AM.
Go Canes!
Joined: Dec 2009
Posts: 5,975
Likes: 329
From: Boca Raton FL
St. Jude Donor '11-'12-'13-'14-'15-'16-'17-'18-'19-'20-'21
Thanks everyone for the possible solutions. Ill try GMANS transmission test and see what happens.
Its def not the relay because it comes from under the car and passangers agree its an area behind our seats. Plus the noise isnt associated with the breaks.
Gotta be the transmission GULP!
BTW, I couldnt find anything loose under the car.
Its def not the relay because it comes from under the car and passangers agree its an area behind our seats. Plus the noise isnt associated with the breaks.
Gotta be the transmission GULP!
BTW, I couldnt find anything loose under the car.
Le Mans Master
Joined: Dec 2004
Posts: 5,492
Likes: 808
From: West coast CA
Thanks everyone for the possible solutions. Ill try GMANS transmission test and see what happens.
Its def not the relay because it comes from under the car and passangers agree its an area behind our seats. Plus the noise isnt associated with the breaks.
Gotta be the transmission GULP!
BTW, I couldnt find anything loose under the car.
Its def not the relay because it comes from under the car and passangers agree its an area behind our seats. Plus the noise isnt associated with the breaks.
Gotta be the transmission GULP!
BTW, I couldnt find anything loose under the car.
If it does, it sounds like the splined interface between the half-shafts and the rear wheel hubs is dry and needs to be greased.
Thread Starter
Safety Car
Joined: Sep 2006
Posts: 3,846
Likes: 0
From: Boca Raton Inlet, Atlantic Ocean (Floridas east coast)
TT, I will try your suggestion today. Heres what I learned from last drive
1-Does it sometimes when coasting down to around 4-8mph
2-Does it sometimes when applying the brakes and the car hits 4-8mph
3-does it in all modes. Sport, regular auto or using the paddles manually
4-Tranny goes in 1st gear around 8-10 so its not a 1st gear thing (and hopefully not the tranny!)
Sometimes its a single loud POP and sometimes its a quick double pop.
1-Does it sometimes when coasting down to around 4-8mph
2-Does it sometimes when applying the brakes and the car hits 4-8mph
3-does it in all modes. Sport, regular auto or using the paddles manually
4-Tranny goes in 1st gear around 8-10 so its not a 1st gear thing (and hopefully not the tranny!)
Sometimes its a single loud POP and sometimes its a quick double pop.
Go Canes!
Joined: Dec 2009
Posts: 5,975
Likes: 329
From: Boca Raton FL
St. Jude Donor '11-'12-'13-'14-'15-'16-'17-'18-'19-'20-'21
When I spoke to hp sales he said there was a GM Service bulletin about this. take it to Jeremy or wait for me next week and I will let you know.
Go Canes!
Joined: Dec 2009
Posts: 5,975
Likes: 329
From: Boca Raton FL
St. Jude Donor '11-'12-'13-'14-'15-'16-'17-'18-'19-'20-'21
Exactly what I was told, but HP sales said that they have replacement bolts in stock because of it. He just needs to hear the car in person and see if that is indeed the problem. I will know more in 2 weeks.