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Tire Wear and alignment and lowering

 
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hardtrailz
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2002 Chevrolet Impala


PostPosted: Tue Mar 19, 2013 11:47 am    Post subject:  Tire Wear and alignment and lowering Reply with quote

I changed one of my front wheel bearings and noticed that both front tires are wearing really bad on the inside edges. Also found the DR rear to be bald on the outside edge. Had noticed that, but did not realize how low it was.



So I know there are issues. I am planning to get an alignment and new tires in the next couple weeks. I debated on getting some 1-1.5 inch lowering springs as well since the car is basically only driven 135 miles a day on interstate and parked most of the rest of the time. No pothole worries for the most part.



My questions are...



Anything other than alignment needed with significant tire wear on opposite edges front to rear?



If I add spring and lower the car, will it align out without doing other modifications?



I do plan to stay with stock sized tires and wheels. Current 16 w 225-60-16, but may look for some 17 inch stock takeoffs or similar. Dont want to loose too much sidewall.



Any help or advice is appreciated.
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Frank4202
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1997 Chevrolet Corvette


PostPosted: Tue Mar 19, 2013 12:00 pm    Post subject:   Reply with quote

If you have that much tire wear, chances are some suspension components are worn (tie rods, ball joints).

Lowering the car will definitely through out the alignment. It is suggested to wait a few days after lowering for the new components to "settle" before aligning. Shorter dog bones are also suggested to help with vibrations

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hardtrailz
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Location: Indiana

2002 Chevrolet Impala


PostPosted: Tue Mar 19, 2013 12:11 pm    Post subject:   Reply with quote

Frank4202 wrote:
If you have that much tire wear, chances are some suspension components are worn (tie rods, ball joints).

Lowering the car will definitely through out the alignment. It is suggested to wait a few days after lowering for the new components to "settle" before aligning. Shorter dog bones are also suggested to help with vibrations


Tie rods and ball joints are all good. I checked those first. Guessing the PO replaced them and never re-aligned it.

Any suspension work requires a wait before aligning. I typically deal with lifted trucks though. So I have to ask, what are these dog bones. Found a picture and see they are cheap, but what do they do and how do they fit?
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IffyG
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2002 Chevrolet Monte Carlo
1998 Oldsmobile Intrigue
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PostPosted: Tue Mar 19, 2013 12:15 pm    Post subject:   Reply with quote

The dog ones are the Y shaped pieces of metal that connect the engine to the front of the engine bay. The shorter ones pull the engine up and correct the C/V geometry to limit vibrations.

As far as suspension work goes, make sure everything else in good shape before you drop the car. Do yourself a favor and get camber bolts, new struts and new strut mounts at a minimum.

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hardtrailz
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2002 Chevrolet Impala


PostPosted: Tue Mar 19, 2013 12:40 pm    Post subject:   Reply with quote

IffyG wrote:
The dog ones are the Y shaped pieces of metal that connect the engine to the front of the engine bay. The shorter ones pull the engine up and correct the C/V geometry to limit vibrations.

As far as suspension work goes, make sure everything else in good shape before you drop the car. Do yourself a favor and get camber bolts, new struts and new strut mounts at a minimum.


Ok. I completely understand the CV angle needing corrected.

Struts n Strut mounts make sense while doing springs, but never dealt with camber bolts. Are these DIY like the rest of the suggestions have been?
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IffyG
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PostPosted: Tue Mar 19, 2013 12:42 pm    Post subject:   Reply with quote

Yeah, the camber bolts simply replace the upper strut to knuckle bolt and allow additional adjustment on the alignment that you will probably need after lowering the car.

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hardtrailz
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PostPosted: Tue Mar 19, 2013 12:53 pm    Post subject:   Reply with quote

Good Deal.

Sounds like it is not too much more expense to lower it and replace some likely worn parts since I need a full alignment and tires anyway.

I am glad that I tear into it a bit and learn something about front wheel drive since I never owned one before. The car already does well, but I think a few mods and it will be something to be proud of.

Thanks for the advice and knowledge.
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