My 2 cents on this subject fwiw-
I too had my windshield replaced after a stone chip caused a crack to develop.
Happens- part of road hazards for our car- that sits lower than most of the cars out there today.
No buzz was ever present before or after the installation of the windshield.
I did not use Safelite as the installer of choice. I used my local body shop.
This repair was done through my insurance company- deductible as a separate third-party claim.
* The claim estimate I used for replacement was refused because the glass company (3rd party) did not like the prices from my body shop.
They wanted it replaced by... Safelite.
I was not convinced that Safelite had done a Sky before- so I asked for proof from the local shop, that they could do this repair.
I never got an answer back to this concern of mine either by the glass insurance company or by Safelite.
3 days later new windshield installed- but not without concerns by me as to a gap between the cowl weatherstrip flushness to the glass surface. I showed this gap to the Body Shop manager, and he agreed with me, as there was no gap when I brought it in for the original estimate after looking at his photos taken.
The installer returned the next day to fix the gap issue. What he did- I'm not sure. Did he reposition the cowl and weatherstrip to fit flush with the glass? I would say no, because I never saw him loosen the cowl to begin with. Did he seal it with a 3M adhesive? Maybe as I saw several tubes of it in his work van.
When I arrived back at the body shop the next day- the gap was gone, the weatherstrip was flush to the glass just like it had been with the OEM windshield.
* A gap left open- 1/4 inch or less, water intrusion to parts unknown, dust, dirt, debris, bugs can collect there.
I searched photos of other Sky's here for any evidence that a gap existed on our car.
None were found.
I then looked at my brother's GM car windshield for any space around the cowl or weatherstrip to the glass.
Again- no gap. The installer never removed the cowl- he popped it loose from the inside after he... took a Sawzall from the inside to remove the factory sealant. It took him 30 second to remove the old windshield.
Cleaned the area, new sealant in place, new windshield installed in about 20 minutes.
I paid the $424.00 bill to my body shop after this 3-day ordeal.
$ 290 for the windshield, $100 in labor, plus supplies & taxes thereof.
* I asked the body shop manger what the cost of a newish Porshe Panamera sitting out in his lot windshield replacement was- I guessed around $2900.00 - 10 times the cost of mine.
He said.. sounds about right to me given the model, make, electronical additives, the quality of the installation and owner anal reaction should the work not be done up to owner expectations.
The dealer would have charged more for this process he told me later.
Oh my- the cost of one little stone can ruin your day.
$100 deductible on my policy were costs, received a rebate check from the 3-party glass insurance company 10 days later for $324.00.
New clear windshield for a Ben Frankin price.
I have heard no buzzing noise since at any speed since this replacement.
One thing I want to note is this- don't follow to closely behind vehicles if you can, especially large pick-ups, RV's, tractor trailers even if they have mud flaps, rain guards in place. Anything with over-sized tires.
Check the surround around your windshield for stone chips- I have at least 3 to the silver portion of my car. We do sit low/lower compared to most cars out there.
Anything kicked up by the tires from the vehicle in front you will most likely be shot in your
direction and smack your windshield. This event happened to me when returning from a vacation trip.
I was distraught for the 2-hour journey home- I went straight to the body shop before I even went home on this trip. Estimate in hand, I was on the phone to my insurance company about 1/2 hour after I got home.
Not sure this story line of my experience helps out the OP with his issue here.
The cowl, the rubber weatherstrip molding to the glass surface, the windshield wiper blades are all suspect to creaks & groans unsavory noises from our car- that can ruin the driver experience.
How do I know our car sits low?
Cause I look up at deer when confronting their presence in my windshield.
The only buzzing sound I hear then- might be coming from my underwear just say'n.
LAC