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The reason I was thinking it may be related to torque steer is because I could see this guy racing around in his little turbo charged cruze and peeling out or just accelerating quickly maybe causing more wear on one side. I always take measurements in the most center of the tire also being sure to note any wear indicating over inflation, under inflation, or alignment related wear, feathered wear indicating a bad shock absorber and so on.
This guy is pretty picky he also brings in a z06 corvette and is always reminding us to check the tire pressure. Normally what I will do is look at the placard in the door and as long as its above those pressures around 6psi or more I figure its probably good. Sometimes I will get a car with pressure under the spec to where I will inflate it just to whats on the door. Hard to gauge what to set tires if you know the customer has just been driving it, definitely don’t want to let out all the hot air.
I did notice in the cruze on the dash all the tires were at 35psi which is right where they should be cold so he must set his tires when they are hot or someone did. They were all the same pressure though.
Good point about the alignment. I didn’t realize that is how often that needed to be checked.
gotcha, I did notice in the online catalog at work it says to rotate tires front to rear and then rear tires go on the opposite sides of the front, where as at work we are told to rotate all tires just by switching the tires on the one side with the other. So it probably does have to do with rotating them improperly. Doesn’t seem like a major issue, I mean its just 1/32 of an inch. They looked like they were worn normally, just was curious as to why more on one side.
I know if I was working on my own at work I would take the time to rotate them the way there suppose to be but other people would probably freak out trying to change the way its done while were getting slammed with cars with rotations all the time. And I wouldn’t want to say anything and be that guy trying to do everything the correct way over minuscule details.
[quote=”barneyb” post=119848]Take the air filter off and see if it still does it. The thing sounds plugged to me.[/quote]
The noise is still present with the air filter off.
[quote=”barneyb” post=119848]Take the air filter off and see if it still does it. The thing sounds plugged to me.[/quote]
The noise is still present with the air filter off.
[quote=”ukrkoz” post=119782]Why? KN filter adds about 1mpg under otherwise normal driving habits.
I am not aware of anything else in there, outside of throttle plate, that may make such a high pitch vibration noise. But definitely a rattle that should not be there.[/quote]I would rather just have the intake stock. Regular filters are cheaper and I wont have to mess with cleaning the cone filter and letting it dry out before use. To me it sounds like something internal just not sure what exactly. I think I ruled out the throttle plate seems pretty secure.
[quote=”ukrkoz” post=119782]Why? KN filter adds about 1mpg under otherwise normal driving habits.
I am not aware of anything else in there, outside of throttle plate, that may make such a high pitch vibration noise. But definitely a rattle that should not be there.[/quote]I would rather just have the intake stock. Regular filters are cheaper and I wont have to mess with cleaning the cone filter and letting it dry out before use. To me it sounds like something internal just not sure what exactly. I think I ruled out the throttle plate seems pretty secure.
[quote=”ukrkoz” post=119761]Well, whewwwww part of it is likely high air flow. CAI is a great resonator, you know.
As of the saw blade noise, I’d check on throttle plate bolts 1st. As it’s clear something thin rattling at high frequency. From that on, who knows.
That’s a dirty K&N filter, btw.[/quote]Ok, that makes sense, Ill have to check that. I did have the throttle body off not too long ago to gain access to something else and it seemed fine so I am really thinking that’s not it. And yes that filter has probably been on there for years, haha. Haven’t done anything with it yet because I am planning on eventually finding the OEM airbox on ebay or elsewhere cheap and putting in a regular air filter.
[quote=”ukrkoz” post=119761]Well, whewwwww part of it is likely high air flow. CAI is a great resonator, you know.
As of the saw blade noise, I’d check on throttle plate bolts 1st. As it’s clear something thin rattling at high frequency. From that on, who knows.
That’s a dirty K&N filter, btw.[/quote]Ok, that makes sense, Ill have to check that. I did have the throttle body off not too long ago to gain access to something else and it seemed fine so I am really thinking that’s not it. And yes that filter has probably been on there for years, haha. Haven’t done anything with it yet because I am planning on eventually finding the OEM airbox on ebay or elsewhere cheap and putting in a regular air filter.
[quote=”college man” post=119745]sounds like back pressure is coming back through the intake.
check your PCV is not clogged.[/quote]Just recently replaced the PCV valve, which was definitely needed, but no signs of change in the noise.
[quote=”college man” post=119745]sounds like back pressure is coming back through the intake.
check your PCV is not clogged.[/quote]Just recently replaced the PCV valve, which was definitely needed, but no signs of change in the noise.