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rpmdiag, Tech and Instructor
Category: Subaru
Satisfied Customers: 6711
Experience:  Since 1975
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I have just recently been hearing a loud deep like groan as

Customer Question

I have just recently been hearing a loud deep like groan as I'm comes and goes...seems when it happens that the car struggles to go forward on the freeway....and the gas mileage has dropped from 30 to 24 mpg..can you help pls
Submitted: 1 month ago.
Category: Subaru
Expert:  rpmdiag replied 1 month ago.

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

Expert:  rpmdiag replied 1 month ago.

You need to have the driveline checked for a bad bearing somewhere, it can be axle or drive shaft related too if it's***** This sound is causing resistance in movement which is also causing the drop in fuel economy.

Thanks, Ron