Help please...
#1
![Question](https://teamspeed.com/forums/images/icons/icon5.gif)
Help needed!!!
I have an issue with my GrayTT and the dealer here cannot seem to get there hands on it…
I have a knocking sound coming from the front and the back whenever I use my breaks. Say I am in N and change it into D and have it roll for a few feet, now as soon as I apply the brakes I hear the knock (as if something is loose and moved due to the forces developed by brakes). Now if I roll forward again the sound almost never repeats, but if I change the direction and place the transmetion into R and have it rolls, the knock is back.
The dealer changed the spring kit, lubed and adjusted a few things, and replaced the pads yet the problem persists.
Any thoughts?
I have an issue with my GrayTT and the dealer here cannot seem to get there hands on it…
I have a knocking sound coming from the front and the back whenever I use my breaks. Say I am in N and change it into D and have it roll for a few feet, now as soon as I apply the brakes I hear the knock (as if something is loose and moved due to the forces developed by brakes). Now if I roll forward again the sound almost never repeats, but if I change the direction and place the transmetion into R and have it rolls, the knock is back.
The dealer changed the spring kit, lubed and adjusted a few things, and replaced the pads yet the problem persists.
Any thoughts?
#2
Obviously a tech knows more than me but from my racing (MX) days it could be:
The shocks topping out? Maybe the rebound damping is shot?
Rotors? Hubs?
But I bet one of the shops on here could offer a pretty good idea what it is
The shocks topping out? Maybe the rebound damping is shot?
Rotors? Hubs?
But I bet one of the shops on here could offer a pretty good idea what it is
![Smile](https://teamspeed.com/forums/images/smilies/smile.gif)
#3
![Friends](https://teamspeed.com/forums/images/smilies/teamspeed/friends.gif)
i am trying to build a list of checks that i will pass on to my dealer
#6
I know this probably wont help... But did you look under the seat, or Trunk?
I had a Glass Bottle under my passenger seat, and whenever I would brake, it would hit the metal supports, and "clunk". When I accelerated, nothing *was hitting a piece of rubber. Drove me Crazy trying to figure it out (Checked the Coilovers & adjusted, Air Pressure in Tires/Alignment, Motor Mounts, Trans mount etc.) ... Went like a month before I was finally cleaning out the car and found the bottle.
I had a Glass Bottle under my passenger seat, and whenever I would brake, it would hit the metal supports, and "clunk". When I accelerated, nothing *was hitting a piece of rubber. Drove me Crazy trying to figure it out (Checked the Coilovers & adjusted, Air Pressure in Tires/Alignment, Motor Mounts, Trans mount etc.) ... Went like a month before I was finally cleaning out the car and found the bottle.
![Wall](https://teamspeed.com/forums/images/smilies/teamspeed/wall.gif)
Last edited by Fuel&Fire; 04-02-2009 at 07:36 PM.
#8
![Smilie](https://teamspeed.com/forums/images/smilies/teamspeed/smilie.gif)
I know this probably wont help... But did you look under the seat, or Trunk?
I had a Glass Bottle under my passenger seat, and whenever I would brake, it would hit the metal supports, and "clunk". When I accelerated, nothing *was hitting a piece of rubber. Drove me Crazy trying to figure it out (Checked the Coilovers & adjusted, Air Pressure in Tires/Alignment, Motor Mounts, Trans mount etc.) ... Went like a month before I was finally cleaning out the car and found the bottle.![Wall](https://teamspeed.com/forums/images/smilies/teamspeed/wall.gif)
I had a Glass Bottle under my passenger seat, and whenever I would brake, it would hit the metal supports, and "clunk". When I accelerated, nothing *was hitting a piece of rubber. Drove me Crazy trying to figure it out (Checked the Coilovers & adjusted, Air Pressure in Tires/Alignment, Motor Mounts, Trans mount etc.) ... Went like a month before I was finally cleaning out the car and found the bottle.
![Wall](https://teamspeed.com/forums/images/smilies/teamspeed/wall.gif)
![lol](https://teamspeed.com/forums/images/smilies/teamspeed/rofl.gif)
F&F you should really talk to someone about this drink'n and drive'n issue
![Yup](https://teamspeed.com/forums/images/smilies/teamspeed/yup.gif)
#10
![Nono](https://teamspeed.com/forums/images/smilies/teamspeed/nono.gif)
Turned out to be one of these -
![](http://www.teaviews.com/wp-content/tejava.jpg)
Anyway.... Hope you can figure it out!
Last edited by Fuel&Fire; 04-03-2009 at 12:02 PM.