Cadillac CTS-V 2004-2007 (Gen I) The Caddy with an Attitude...

Am I the first to bust a trailing arm?

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Old 06-10-2012, 05:21 PM
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Originally Posted by tommycompton
Thanks man. I figured the bolt would need to be trimmed; good to know.
MAP sucks...I think i better get mine beefed up b/4 they break...and Tommy if u spend about 5 min. with the small cutting disc and make a 3" sq incision the bolt will be just an inch away without doing any structual damage.. the same goes with the fuel pump...No need to pull the tank either....These V's are built solid and where u cut does not jepordize the ridiginess of the car.
good luck on the freakin MAP failure....
Old 06-10-2012, 07:32 PM
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Originally Posted by VeryWhiteDevil
Looks like I will be checking the welds on mine.
Wow, no ****! That's some pretty ****-poor fabrication if the tubing isn't even recessed into the knuckle clevis. I guess I should've noticed that before I installed them. Ah well... I'll have to find someone to strengthen mine, too.
Old 06-11-2012, 07:21 AM
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Good as new!!!
Old 06-11-2012, 08:36 AM
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Wow its a good thing you didn't have to reverse prior to stopping for any reason.
Old 06-11-2012, 08:48 AM
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The weld penetration was not very good or it wouldn't have broke like that.
Old 06-11-2012, 10:27 AM
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I trust the welding on their now. My friends dad that did it builds top fuel drag cars; chassis and rollcages.
Old 06-11-2012, 10:29 AM
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Originally Posted by Onefast V
Wow its a good thing you didn't have to reverse prior to stopping for any reason.
Yes I made sure not to reverse. Wouldn't have been pretty.
Old 06-11-2012, 11:35 AM
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Here's a pic of the aluminium bronze bushing a friend of mine made.
They supposedly have the same wear properties as poly but are more rigid.
Maybe too rigid?
There is no sign of them binding during suspension travel. I do have a set of poly bushings from TIC; I could use them instead.
I do think that the weld breaking was just from a shitty job; I figure the weld should be the strongest point if done properly?
Old 06-11-2012, 11:36 AM
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Originally Posted by tommycompton
I trust the welding on their now. My friends dad that did it builds top fuel drag cars; chassis and rollcages.
Yes, the new weld job looks great. 10x better than it was
Old 12-20-2012, 07:34 AM
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Originally Posted by 9t8z28
The weld penetration was not very good or it wouldn't have broke like that.
I was going to say the same thing.
Old 12-20-2012, 11:49 AM
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Originally Posted by 9t8z28
The weld penetration was not very good or it wouldn't have broke like that.
I can't agree more, there was absolutely no penetration in that weld whatsoever. I am trying to get our R&D guys to redesign our trailing arms to allow more clearance for a bigger real wheel/tire so I hopefully I can make things happen for all you CTS-V guys here soon.
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Old 12-20-2012, 12:26 PM
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Originally Posted by BMR Sales2
I can't agree more, there was absolutely no penetration in that weld whatsoever. I am trying to get our R&D guys to redesign our trailing arms to allow more clearance for a bigger real wheel/tire so I hopefully I can make things happen for all you CTS-V guys here soon.
Glad to hear that after the initial set of products you guys have not forgot about us.

Have you considered redoing the toe-rods to make them easier to adjust as well? This has been the biggest thing keeping me away from them
Old 12-20-2012, 12:50 PM
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If you aren't going to re-design the toe rods, at least make a tool (sawed off deep socket with a lever welded to it) available to grab the inside nut.

Also, recheck the dimensioning of your parts (spacers).

I had to add fender washer shims to get the trailing arms to torque down without bending the frame.

Same goes for the tie rods.



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