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Discussion Starter #1
Just got home from a Tucson to LA to San Diego to Tucson trip this weekend. Fun driving on the southern Cali freeways, people like to drive FAST there! And I met Andy Milonakis in Hollywood, what a funny guy! Well anyway onto my problem. So I am driving on the freeway and all of a sudden I notice that when I get on the throttle the car is pulling very, very noticeably to the right; as soon as I get off the throttle the entire car pulls hard back to the left WTF!?. I was going around 110 when this happened and almost shit myself when my V pulled about half a lane hard to the left when I let off the gas :eek:. I assumed it may be a tire issue, possibly a flat. No dice. All tires are fine, perfect pressure (~35 psi on my BFG KDW2's). This happened on the way to LA, so I was forced to drive (VERY carefully mind you) another 500 or so miles with the V acting up in this way. Another thing: when just cruising at freeway speeds the V kind of has a "wiggle" going on, almost seems like the rear of the car is floating around a bit (its weird, this sympton comes and goes since this whole issue reared its ugly head).

Any advice on what this could be? Its going straight to Cadillac in the morning. I'm thinking it may be a broken rear suspension part of some kind, but didn't see or hear anything unusual driving or when inspecting it on the side of the road.
 

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Discussion Starter #2
Oh ya, my newish 4th rear diff is whining like a lil biatch at freeway speeds now. This car is a love/hate relationship that I am beginning to hate more than love. If it wasn't so sexy and ridiculously powerful I would get rid of it.
 

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Hope it works out for you bro!
I'm almost at 7000 miles and still going strong with the 1st diff. Although i have been hearing a slight wine on deceleration -- but it might not be a big deal!

Make sure they give you a badass loaner!
 

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LV_V said:
So I am driving on the freeway and all of a sudden I notice that when I get on the throttle the car is pulling very, very noticeably to the right; as soon as I get off the throttle the entire car pulls hard back to the left. Another thing: when just cruising at freeway speeds the V kind of has a "wiggle" going on, almost seems like the rear of the car is floating around a bit.
Any advice on what this could be? Its going straight to Cadillac in the morning.
This is indicative of something going on in the differential...like one wheel is pulling harder than the other and/or one rear wheel is dragging real hard...depending on what direction it's pulling as to what wheel is pulling or dragging. As to the "wiggle", this indicates one rear wheel has come loose and/or is broken and can move around...like forward or backwards. Please let us know what you find.

Best luck to you,

Jack
 

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That is a torque steer. Something in the suspension is loose. Have them check the rear cradle bolts, shock mounts and control arm steering connections.
 

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Good luck!! Don't tell the dealer how fast you were going when you experienced it and let us know what they find. Hopefully, it's the differential and you can get the new version installed.
 

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lasstss said:
That is a torque steer. Something in the suspension is loose. Have them check the rear cradle bolts, shock mounts and control arm steering connections.
:yeah:

It's a bummer when your rear suspension tucks up like landing gear...It's just scary when whatever is loose lets go!
 

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LV_V said:
Just got home from a Tucson to LA to San Diego to Tucson trip this weekend. Fun driving on the southern Cali freeways, people like to drive FAST there! And I met Andy Milonakis in Hollywood, what a funny guy! Well anyway onto my problem. So I am driving on the freeway and all of a sudden I notice that when I get on the throttle the car is pulling very, very noticeably to the right; as soon as I get off the throttle the entire car pulls hard back to the left WTF!?. I was going around 110 when this happened and almost shit myself when my V pulled about half a lane hard to the left when I let off the gas :eek:. I assumed it may be a tire issue, possibly a flat. No dice. All tires are fine, perfect pressure (~35 psi on my BFG KDW2's). This happened on the way to LA, so I was forced to drive (VERY carefully mind you) another 500 or so miles with the V acting up in this way. Another thing: when just cruising at freeway speeds the V kind of has a "wiggle" going on, almost seems like the rear of the car is floating around a bit (its weird, this sympton comes and goes since this whole issue reared its ugly head).

Any advice on what this could be? Its going straight to Cadillac in the morning. I'm thinking it may be a broken rear suspension part of some kind, but didn't see or hear anything unusual driving or when inspecting it on the side of the road.

The Freeways in L.A. are pitched to almost three degrees (2.77, I'm an ex-Cal Trans engineer) as compared to two degrees on most interstates because they have so many more lanes and have a requirement to get them drained efficiently when they are wet. I live here and am constantly aggravated as to how much pressure I have to the keep on the wheel to the left just to keep going straight. I've been thinking it might even have something to do with the premature wearing out of the runcraps. It might be some kind of mechanical problem with you car but, think about the road conditions before you get to concerned.
 

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Discussion Starter #10
Its doing it on any street not just the freeway, but at 80 mph it is MUCH worse. Hopefully I will hear from Cadi tomorrow as to whats going on with it. I'll let you all know.
 

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Discussion Starter #11
Cadillac just called me and said they were able to reproduce the hard pull to the right and the rear end "floating around slightly at highway speeds". The tech says it is NORMAL for the CTS-V!!! WTF!! They said they checked the diff, all fluids, and all bolts and could find nothing wrong. They said it is normal! They recommend a 4-point alignment for $90, which I am going to do anyway, but they want me to just take the car back like it is!!

WHAT DO I DO??? I FEEL THAT IT IS UNSAFE TO DRIVE AS IS.
 

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:nono: That behavior is certainly NOT normal for a CTS-V, or any other non-broken passenger vehicle. When my wheels are properly aligned it doesn't matter what speed I'm going; as long as the road is straight and flat I can accelerate and decelerate with my hands off the wheel and the car goes straight ahead.

'Normal' indeed. What kind of drugs is this mech on?

You need to go over this tech's head, or possibly to another dealer.
 

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Discussion Starter #13
I just let them know to do the alignment and they said it should be done by noon tomorrow; we'll see what happens. IMO they will find that the rear of the car will not align properly and go from there to find the source of the problem (crossing my fingers!!).
 

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Discussion Starter #14
Surprise, surprise, Cadillac service never called me back today and they were supposed to have the 4-corner alignment done before noon today. I called them twice today and they said the guy was still working on it. I finally say f it and drive down there to bitch slap somebody. Well, long story short, I get three different stories from three different people as to why they can't do it until Monday: #1- The guy who usually does the 4-corner alignments is gone today, #2- Your rims are too big for our alignment equipment (this was SERVICE MANAGER telling me that stock CTS-V rims are 16 or 17" and that my 19's are too big!), and #3- We are missing the alignment equipment for 2 out of the 4 corners that we need to align so we can't do it until Monday. I just looked at them for a minute with disbelief and said "You're serious? Please tell me you're not serious??". They were serious, well at least serious that they are inept at getting things done and really have no idea what the f is wrong with my car. So, another wait!! I want to smash my monitor in as I am writing this... Better grab a cold one and chill out on the couch before I break soemthing... Until Monday...
 

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Another heartbreaking example of the support organization for the V. I have found that the way the dealer's service dept addresses my concerns has a direct relationship between my level of love/hate for this car. Its sad that so many issues with the V are considered "normal", no doubt the result of inept service personell having too little knowledge of performance vehicles.

It getting re-God-damn-diculous.
 

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You should take it to another dealer, preferably one with experience working on the V. Bad service departments don't seem to improve with time.
 

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Discussion Starter #18
Well just picked up the V after they finished the 4-corner alignmnent hoping that the problem would be fixed. It is not fixed and I do not know what to do now. I paid for the 4-corner alignment and waited 5 days without my car again to see if they could fix it. Should I contact a regional rep or something? Anyone help me out with some leads? What is the Arizona lemon law, even though I bought the car used?
 

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Discussion Starter #20
Whats strange is that the dealer just replaced an entire rear right rotor and brake assembly because of a broken rear right wheel stud three weeks ago..
 
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