2007 Buick Lucerne makes a LOUD noise...

Asked by Jan 26, 2016 at 08:37 PM about the 2007 Buick Lucerne CXS

Question type: Maintenance & Repair

I inherited my father's Lucerne and I love it but now there is a loud hum that goes up or down (faster or slower) when the car goes faster or slower.  Sounds like an airplane, sort of. Or something that should be shifting but never shifts.  The transmission sounds like it's shifting okay but the noise, that is very loud, sounds like it needs to shift.. My husband just put in new front struts so maybe the noise is because of that??  I hope I described it okay!  Thanks!

6 Answers

35,045

The noise could be wheel bearings or tires going bad. What RPM's does the engine turn at 60 mph? It should be 2,000 or less.

1 out of 1 people think this is helpful.

Thank you! I'll check tomorrow to see what the RPM is at when I hit 60. The tires look okay but I'll look closer. Thank you for your reply!

I finally remembered to check the RPMs at 60 MPH, It's right about 1500 RPMs.

And for some reason (possibly from changing the front struts and not getting the tires aligned?) the front tires went from pretty good to pretty bald. AND I don't think the husband went by any specs when replacing the struts, I'm not positive, but I really doubt it. Ugh. I really can't afford to take the car in to be fixed at this point...

35,045

An alignment is a lot less than a set of new tires. Struts are just bolt on so don't blame your hubby.

1 out of 1 people think this is helpful.

Problem found and fixed! It was the front right wheel hub. Thank goodness!

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