Front passenger side sitting low
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Joined: Jun 2011
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From: Erving Ma
Front passenger side sitting low
My front pass side sitting 1/2" lower that the drivers side and am wondering what is going on or is this typical on a 2009 Z06? My rear measurements are exact so I see no issue with the rear of mine.
I bought it used in Jan, 15,000 miles, been sitting and I drove it yesterday to make sure it's not from no movement for 90 days, still low, I measure from the ground to the fender and the height is lower and the gap between the top of the tire and fender is reduced as well.
Like I said its about 1/2"-5/8" max, I noticed it cleaning the wheels /polishing the car, seems odd, drives straight with no pull.
Thoughts would be appreciated guys.
I bought it used in Jan, 15,000 miles, been sitting and I drove it yesterday to make sure it's not from no movement for 90 days, still low, I measure from the ground to the fender and the height is lower and the gap between the top of the tire and fender is reduced as well.
Like I said its about 1/2"-5/8" max, I noticed it cleaning the wheels /polishing the car, seems odd, drives straight with no pull.
Thoughts would be appreciated guys.
Team Owner
Joined: Mar 2008
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From: Southern Utah
To me, that doesn't seem like a very large difference. I think many people would find that if they measured. It's a small enough difference that I think it is easily within the range of adjustment...easy to do on a Vette. There was another one on here recently where the difference looked like an inch and a half...that indicates something that is broken. Try measuring with the driver's weight in the car and see if it gets much closer.
Let's remember also that the distance from the fender to the ground is not the official GM way of measuring the height of each corner of the car.
Let's remember also that the distance from the fender to the ground is not the official GM way of measuring the height of each corner of the car.
Thread Starter
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Joined: Jun 2011
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From: Erving Ma
To me, that doesn't seem like a very large difference. I think many people would find that if they measured. It's a small enough difference that I think it is easily within the range of adjustment...easy to do on a Vette. There was another one on here recently where the difference looked like an inch and a half...that indicates something that is broken. Try measuring with the driver's weight in the car and see if it gets much closer.
Let's remember also that the distance from the fender to the ground is not the official GM way of measuring the height of each corner of the car.
Let's remember also that the distance from the fender to the ground is not the official GM way of measuring the height of each corner of the car.
Thread Starter
Intermediate
Joined: Jun 2011
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From: Erving Ma
Had my girlfriend sit in the drivers seat and measured again, doing so reduced the gap to 1/4" total, I measured the pass side and saw an 1/8" drop after she was in the car... So I'm assuming having a 200 Lb driver in the car would make it much closer... Maybe this is run of the mill and typical, guess if I see another Z06 I'll break out my tape measure and check it out.
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Joined: Sep 2000
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From: Far NW 'burbs of Chicago
St. Jude Donor '13
To me, that doesn't seem like a very large difference. I think many people would find that if they measured. It's a small enough difference that I think it is easily within the range of adjustment...easy to do on a Vette. There was another one on here recently where the difference looked like an inch and a half...that indicates something that is broken. Try measuring with the driver's weight in the car and see if it gets much closer.
Let's remember also that the distance from the fender to the ground is not the official GM way of measuring the height of each corner of the car.
Let's remember also that the distance from the fender to the ground is not the official GM way of measuring the height of each corner of the car.
For 2010 (and probably later), GM DOES give specs for ground-to-wheelarch measurements, and +/- tolerances. Someone here sent me a copy of the info, it was defintiely GM but not sure if it came out of the 2010 Service Manual or from the GM service website. Unfortunately, I'm out of town today and don't have the info with me.
I would suggest that OP not panic, but do as much checking as necessary to find out what's going on. It could be a simple mis-adjustment, uneven tire wear/pressure, spring going bad, adjustment bolt bend/distorted, or accident damage where the fender was not installed quite right. Or "just one of those things", but he'll be more confident in the car after checking it out.
Team Owner
Joined: Mar 2008
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From: Southern Utah
Another question that arises is whether we want the car level with no one in it, or with just the driver, or with a heavy driver and a lighter (or heavier...LOL) wife or girlfriend in the passenger seat. This because it can't be perfectly level under all conditions...
Team Owner
Joined: Sep 2000
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From: Far NW 'burbs of Chicago
St. Jude Donor '13
That is a good question indeed. IIRC, the Service Manual calls for having a full tank of gas but no luggage or occupants, when doing an alignment or measuring the Trim Height (ride height) with the GM suspension tool.
Either GM knows a reason to do it that way, that we don't understand; or they are clueless about how cars are operated. That's a coin toss.
Either GM knows a reason to do it that way, that we don't understand; or they are clueless about how cars are operated. That's a coin toss.
