Sounds like rock hitting winshield
Thread Starter
Racer
Joined: Nov 2013
Posts: 332
Likes: 41
From: Mesa, AZ
Sounds like rock hitting winshield
Have a strange one here. Driving at freeway/interstate speeds, there has been a sound inside the cabin that is identical to a rock hitting the windshield. This occurs with either the lexan or solid targa in place as well as cold, cool, warm or hot outside temps. Actually fairly loud, startles you when it happens. The noise also occurs randomly.Any ideas on this one?
Chas
Thread Starter
Racer
Joined: Nov 2013
Posts: 332
Likes: 41
From: Mesa, AZ
It literally sounds like the windshield. There are many times when there is absolutely no other vehicle near us to throw a rock. But sure sounds like it. Most of the time, fairly loud, will make the redhead half jump out of the seat.Chas
Last edited by chasb4570; Mar 19, 2019 at 06:55 PM.
Banned Scam/Spammer
Joined: Sep 2016
Posts: 4,004
Likes: 3,929
From: Philadelphia PA (Birthplace of the USA, UNESCO World Heritage City)
I have this same thing happen on all my cars for many, many years (Mustang Cobra, Range Rover, Corvette, etc.). It sounds like a rock hitting the windshield or like glass cracking. I've attributed it to thermal expansion/contraction of the windshield area from the car warming up or cooling down in relation to the temperature outside - just my theory based on observation.
Also here's a Google search on this phenomenon and some likely causes you can look into:
https://www.google.com/search?q=soun...active&ssui=on
Also here's a Google search on this phenomenon and some likely causes you can look into:
https://www.google.com/search?q=soun...active&ssui=on
Last edited by ArmchairArchitect; Mar 20, 2019 at 10:28 AM.
Zen Vet Master Level VII
Joined: Mar 2016
Posts: 5,218
Likes: 1,174
From: Southlake, TX
I have this same thing happen on all my cars for many, many years (Mustang Cobra, Range Rover, Corvette, etc.). It sounds like a rock hitting the windshield or like glass cracking. I've attributed it to thermal expansion/contraction of the windshield area from the car warming up or cooling down in relation to the temperature outside - just my theory based on observation.
Also here's a Google search on this phenomenon and some likely causes you can look into:
https://www.google.com/search?q=soun...active&ssui=on
Also here's a Google search on this phenomenon and some likely causes you can look into:
https://www.google.com/search?q=soun...active&ssui=on
Thread Starter
Racer
Joined: Nov 2013
Posts: 332
Likes: 41
From: Mesa, AZ
Purchased the '04 in 11/13 with 11,700 on the clock. Car now has 25,000. This noise situation started about 2-2.5 years ago. Doesn't matter which targa top in place, no pattern to when it occurs, sometimes happening the entire drive.Chas
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Pro
Joined: Sep 2017
Posts: 675
Likes: 195
From: Green Oak Township, Michigan
Just throwing this out there... Its not one of those Aquafina bottles of water sitting in your console is it??? Those things expand and crack like crazy.. Scares the hell out of me every time.