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.

Tag Archives: #noisycar

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

Noise? What Noise?

Noise? What Noise?

Today I went on a road test with a great customer because he was hearing an "intermittent weird noise while turning left" in the front of his SUV. Since he stated the noise does not occur all the time, I thought it would be best to go on a quick road test with him before we inspect further.  Right away I thought I heard it, there was a clanging noise coming from the rear end.  "Nope, that's not it.  My wife left a frying pan with a lid on it in the back seat," he said.  Hmm, so we drive a little more until I thought I heard it again near the dash area.  "Nope, that's not it.  That's about 27 dollars worth of change in the glove box rattling around."  Hmmm...after a few more twists and turns we were able to confirm the noise together. Upon further inspection we were able to pinpoint a bad wheel bearing on the left front.  That was easy. Often times a description of a noise or ... read more

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