Davenport Auto Repair

(563) 388-9363
Mon - Fri: 7:30 AM - 5:00 PM

Dale’s mission is to provide dependable and convenient automotive services with the utmost Integrity. Our core fundamentals are based on honesty and ethics. We will always focus on our customers best interests. We will consistently uphold our commitments to our customers, employees and community.

Oil Change Coupon
$29.99 Oil Change
Includes Free Tire rotation if needed. Replace Oil Filter and replenish with Semi-Synthetic Engine oil. Complimentary Safety and Maintenance Inspection. Check Tires and Tire Pressures. Check and Top off all Fluids. *Includes Most Vehicles.

This is an informative auto repair blog with a touch of fun.

Monthly Archives: February 2017

Physics at its finest

Physics at its finest

          "It sounds like a helicopter is landing on my car!!"  Is the call we took not too long ago.   We have had a few customers come in from time to time and describe a horrendous noise, especially with their back windows cracked open.  The reasoning behind this noise is really just simple physics: f=(c/2n)√(S/L'V), yep, the Helmoltz equation named after this guy Hermann Von Helmholtz.   I told ya......Simple.  Before you say, what the heck is this grease monkey talking about and think I'm crazy, I have a better answer for you.  We call it Wind Throb.  Basically, most vehicles now are very aerodynamic to save fuel consumption.   The air flowing around your vehicle at a fast rate gets forced through the open window and creates that drumming or throbbing noise.  This is almost always normal.  It is usually described as the same thing as blowing over the to ... read more

Future Grease MonkeyFuture Grease Monkey
My youngest likes to work with me.My youngest likes to work with me.
MacyMacy
Tim and the girlsTim and the girls
KeoKeo
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