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2008 DTS base
Joined
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62 Posts
Discussion Starter #1
Now,

i've had everything replaced on the front end of my car
cv axle
tire rods
strut assemble
wheel bearings
new beautiful white wall tires
brake calipers

the place who put all these things on for me, said they aligned the car, but
to drive straight my steering wheel has to be tilted some to the left. As
soon as i let go of the steering wheel car immediately goes to the right.
When accelerating car immediately goes to the right. Turning toward the left feels very strict
turning toward the right feels smooth.
Also when on the highway, when you get up to about 60-66 steering wheel shakes bad,
and i just had the tires balanced last week from discount tire for 80 dollars, and the steering wheel
still shakes at highway speeds.

i've been reading online that the majority of mom and pop shops do terrible alignments
and right now i'm prone to agree. Could this be a bad alignment situation? The entire
front end has been replaced so i don't know what it could be other than an alignment.

I plan to take to a shop that has amazing google reviews about their alignments and even have a forum thread
praising them for alignments.

anyone ever get a bad alignment job from a shop and was your situation similar to mines?

thanks
 

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Registered
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13 Posts
I just installed new tires, vogue to be exact and im getting response to what you are experiencing. I had the tires installed and balance and alignment. But I took it back to the installers which is firestone and they redid it it's better but im still experiencing a little shake at around 55 to 60 on the highway. But 65 - 100 runs smooth as silk. I was told to have it high speed balance and or something called road Force balance.
 

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2008 DTS base
Joined
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62 Posts
Discussion Starter #3
I just installed new tires, vogue to be exact and im getting response to what you are experiencing. I had the tires installed and balance and alignment. But I took it back to the installers which is firestone and they redid it it's better but im still experiencing a little shake at around 55 to 60 on the highway. But 65 - 100 runs smooth as silk. I was told to have it high speed balance and or something called road Force balance.
Man I'm thinking they're not doing my alignment right. Once I discoverd the shaking I immediately went and got the tires balanced because I didnt want to ruin them. Still highway shaking after. Then I noticed my steering was crooked left to keep the car straight, and when I let go of the wheel It went straight to the right. Literally was switching lanes lol.

I'm hearing a lot of these shops aren't good at alignments, and it's best to find a alignment specialist or take it to the dealer for one. I dont know for sure, I just google best alignment shop near me and found one with amazing Google reviews, and they work on high end cars. So im going to try there saturday see what happens.
 

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Registered
2011 DTS Base
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144 Posts
I just had my alignment checked 4 days ago. Everything came back exactly in spec. The reason I took it in was that when there's even the slightest amount of road crown the car will pull slightly in that angle. I can drive it down the freeway and let go of the steering wheel and the car will track perfectly. Then pull onto another road, and it will feel as if it's pulling to the right. Mind you, not a lot, but enough to where I was concerned about it.
 

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2008 DTS base
Joined
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62 Posts
Discussion Starter #5 (Edited)
I just had my alignment checked 4 days ago. Everything came back exactly in spec. The reason I took it in was that when there's even the slightest amount of road crown the car will pull slightly in that angle. I can drive it down the freeway and let go of the steering wheel and the car will track perfectly. Then pull onto another road, and it will feel as if it's pulling to the right. Mind you, not a lot, but enough to where I was concerned about it.
My alignment pulls to the right on acceleration, and when im going 30 mph the car still moves the right. I think it would do doughnuts if I just keep my hand off the wheel. I have to get it fixed asap lol.
 

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Registered
2011 DTS Premium w/1SD | 1999 Deville Base (RIP @179K Miles)
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466 Posts
I also have an intermittent slight vibration at 62-69 Mph on my 2011 DTS. I've rebalanced the tires, changed rims and tires but that helped only a little.

I had a similar alignment issue that you had. When I changed my tires I got an alignment. However, the steering wheel was just slightly off. I didn't feel like going back to get it realigned since it was too much of a hassle.

The alignment had a 1 year warranty, so I took it back to get realigned for free the day before it expired.

The car rode a bit better, but the steering wheel was still slightly off. I just figured the shop was incompetent.

That same day, I went to get my tires rotated at another shop.

After the rotation, the steering was straight and the car tracked much better.

Try getting a tire rotation at a shop that does them for free.
 

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Administrator
2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
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70,997 Posts
All of these FWD Northstar cars are extremely susceptible to the common "Seville Shimmy" and other shudder/pull problems.

Dead-nuts 4-wheel alignment is paramount as is correct steering wheel orientation (tie rod adjustment). The hub flange, brake rotor mounting surfaces and wheel mounting surface must be surgically clean and true - no runout. All suspension and sway bat bushings and sway bar end links must be clean and tight. Hunter Road Force balance job. Wheel lug nuts hand torqued (no air gun) to 100 lb/ft in a sequential star pattern. Correct tire pressures (cold ambient) of 30 - 32 psi all around. Northstar front center engine mount in perfect condition.

To check the front center engine mount get an assistant. Pop the hood, have the assistant hold the brakes, stick in D. You stand by the driver's side fender, looking at the left (radiator side) side of the engine. As the assistant revs the engine to 1200 - 1400 rpm it should torque toward the firewall no more than 3/4" - if it moves an inch or more the mount is suspect - torn apart internally. Common on Northstar cars without dog bone torque struts. To a lesser degree the other engine mounts can contribute to the shudder/shimmy at speed.

 

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2008 DTS base
Joined
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62 Posts
Discussion Starter #9
I also have an intermittent slight vibration at 62-69 Mph on my 2011 DTS. I've rebalanced the tires, changed rims and tires but that helped only a little.

I had a similar alignment issue that you had. When I changed my tires I got an alignment. However, the steering wheel was just slightly off. I didn't feel like going back to get it realigned since it was too much of a hassle.

The alignment had a 1 year warranty, so I took it back to get realigned for free the day before it expired.

The car rode a bit better, but the steering wheel was still slightly off. I just figured the shop was incompetent.

That same day, I went to get my tires rotated at another shop.

After the rotation, the steering was straight and the car tracked much better.

Try getting a tire rotation at a shop that does them for free.
i'm pretty sure the shop i'm going to will do them for free since i'm purchasing an alignment. My vibration isn't slight though. It started vibrating so bad I just got off the highway and took the service road home. Wheel was crooked left the whole time, or the car would immediately go to the right. No lumps, or signs of bad tread wear on the tires. All weights are still on the rims from the balancing as well. All my newly installed components seem to be holding up very well as there was no leaks, or anything feeling loose behind the wheels.

also i forgot to mention it has new control arms with the ball joints, and engine mounts and transmission mount have been replaced as well. I spent a pretty penny changing out the front end of this car.

I think the place aligned my car with seized front end brake calipers, because i just had those replaced. I don't know if that would affect the alignment, as i remember the shop saying they were having a hard time getting the car to go straight.

hopefully this new shop does me good. They have nothing but good google reviews praising them for their alignment jobs.
 

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2011 DTS
Joined
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30 Posts
Unless there is an extreme amount of toe in or toe out an alignment (or misalignment) will not usually cause a vibration or shake. Vibrations or shakes are caused by worn, out of balance or out of round parts. The main symptoms of misalignment is pulling and tire wear.

Sent from my SM-G981U using Tapatalk
 

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2006 DTS perf
2006 DTS Performance Lux III
Joined
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1,337 Posts
When I installed my vogue tires I had a slight shimmy in the front end from about 50 -65 mph. I had all 4 tires road force balanced and that solved it for me.
 

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2008 DTS base
Joined
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62 Posts
Discussion Starter #12
Alright after getting a solid alignment car still drives like crap.

I'm thinking its the tires aren't for the car.
I have travelstar 225/60/17 white walls. While the original tires are 235/55/17. Every site said the travelstar tires wouldn't fit. The only place who said they would fit is discount tire. I shouldve trusted the majority. So brand new tires down the drain.

Anyone want to chime in?
 

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2008 DTS base
Joined
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62 Posts
Discussion Starter #13
hello guys,

I wanted to know what are some of the issues wrong tire size can cause for a car?
I recently had travelstar 225/60/r17 white wall tires installed on my 2008 caddy dts. After alignments
and balancing, i'm still getting a very strict drive, and shaking at highway speeds. The drive
is really bad on the car right now. Every website I went to when I ordered these tires said they would not fit
however discount tire said they would fit, as the original tire size is 235/55/17. I even called discount tire to make
sure they were accurate and the man said yes they will fit because they're very similar in size. Since these tires have been
put on i've been getting a horrible ride out the car.

Plan on ordering new tires, with the original tire size soon.
Any one have any ideas on if wrong tire size can cause problems, such as steering wheel vibrations, strict drive, harsh turining?
 

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Administrator
2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
Joined
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70,997 Posts
Our FWD cars are extremely susceptible to tire/wheel problems like imbalance, dirty hub/rotor/wheel mounting surfaces, improper lug nut torque and sequence, sway bar bushings, engine mount wear, etc., etc..

Check the tire specs in www.tirerack.com - outside diameter of the original tire (for you, 27.2") determines powertrain and speedo calibrations, not necessarily handling/ride/smoothness.

A Hunter Road Force balance (not cheap) and meticulous attention to mounting and wheel runout may help.
 

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2008 DTS base
Joined
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62 Posts
Discussion Starter #15
Our FWD cars are extremely susceptible to tire/wheel problems like imbalance, dirty hub/rotor/wheel mounting surfaces, improper lug nut torque and sequence, sway bar bushings, engine mount wear, etc., etc..

Check the tire specs in www.tirerack.com - outside diameter of the original tire (for you, 27.2") determines powertrain and speedo calibrations, not necessarily handling/ride/smoothness.

A Hunter Road Force balance (not cheap) and meticulous attention to mounting and wheel runout may help.
i've tried every balance, and wheel alignment to man. Only thing the seem to do is change the way the car drives, but the car still drives bad overall; which leads me to the tires being the reason. I've replaced sway bar bushings, sway bar links, brake calipers, wheel bearings, shocks assembly, tire rods, engine and transmission mounts, and control arms, balance jobs, alignment jobs all from pros. Still getting the shake at high way speeds. After the last alignment it toned down but still there, but the car drives way more strict and harsh. I'm just going to go with some oem tires. I don't recall having this problem when i first purchased the car and it had tires of the right size on it.
 

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2011 DTS
Joined
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30 Posts
I would have discount tire put each wheel on the balancer and spin it by hand and sight the top of the tire to see if one or more is out of round. Also sight each rim to make sure one isn't bent. As long as the tire clears everything on the car, it shouldn't matter what size you put on it. If everything is true and balanced, there should be no vibration.

Sent from my SM-G981U using Tapatalk
 

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26 Posts
Get the steering centered first, just a matter of extending one tie rod and collapsing the other. The plane geometry of the wheels changes as you turn, that’s what makes the car return to center position. Some return to center designs are more insistent than others, tire wear is inevitable if you drive on a turn all the time.
 

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2015 ATS 2.0T coupe
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47 Posts
Now,

i've had everything replaced on the front end of my car
cv axle
tire rods
strut assemble
wheel bearings
new beautiful white wall tires
brake calipers

the place who put all these things on for me, said they aligned the car, but
to drive straight my steering wheel has to be tilted some to the left. As
soon as i let go of the steering wheel car immediately goes to the right.
When accelerating car immediately goes to the right. Turning toward the left feels very strict
turning toward the right feels smooth.
Also when on the highway, when you get up to about 60-66 steering wheel shakes bad,
and i just had the tires balanced last week from discount tire for 80 dollars, and the steering wheel
still shakes at highway speeds.

i've been reading online that the majority of mom and pop shops do terrible alignments
and right now i'm prone to agree. Could this be a bad alignment situation? The entire
front end has been replaced so i don't know what it could be other than an alignment.

I plan to take to a shop that has amazing google reviews about their alignments and even have a forum thread
praising them for alignments.

anyone ever get a bad alignment job from a shop and was your situation similar to mines?

thanks
After doing all of this I would assume they determined the rims are not out of round. I had a front and rear that were out of round. Im assuming from potholes and roadway construction where they left the edge a couple inches lower, Luckily they weren't that bad. The dealer had them put back in round and it's been great since then.
 
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