I hear and feel a grinding noise when accelerating. What could it be?

Asked by Jul 13, 2014 at 02:16 PM about the 2013 Scion FR-S Base

Question type: Maintenance & Repair

I have a sicon FRS, and I hear a grinning
noise under the front end of the car. I also
feel the grinding vibrations through my gas
paddle. The only time I hear and feel the
grinding is when accelerating, there have
been a few times where I have heard it
when dropping gears when in trip tronic
mode. The grinding does not occur when
idling. The car takes off great! Gears switch
perfectly! The car preforms perfectly, in
other words the grinding is not affecting the
performance of the car at all. I have done a
few modifications to the car, to be specific I
have a cat back exhaust, uel cat delete
headers and a short ram cold air intake.

2 Answers

216,765

Grinding is not good. Do not continue to drive it till you find the reason. Best to get under the car to see if something is hitting the driveshaft.

1 out of 1 people think this is helpful.
35

Most likely you exhaust rubbing on the crankshaft when accelerating. My Borla kit was extremely close. With the torque load on acceleration, I wouldn't be surprised if that was the case.

Your Answer

Add photo

Related Questions

Search Scion FR-S Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Scion FR-S Experts

#1 Chase Sutherland
Chase Sutherland
Reputation 20
#2 Tom Demyan
Tom Demyan
Reputation 10
#2 Michael Kane
Michael Kane
Reputation 10
View All

Related Models For Sale

Used Subaru BRZ
24 Great Deals out of 585 listings starting at $11,995
Used Ford Mustang
582 Great Deals out of 41,215 listings starting at $1,699
Used Hyundai Genesis Coupe
95 Great Deals out of 2,595 listings starting at $5,900
Used Scion tC
145 Great Deals out of 4,346 listings starting at $2,180
Used Nissan 370Z
65 Great Deals out of 3,102 listings starting at $11,900
Used Chevrolet Camaro
475 Great Deals out of 39,922 listings starting at $3,499
Used Subaru Impreza WRX
38 Great Deals out of 1,173 listings starting at $2,795
Used BMW 3 Series
1,531 Great Deals out of 39,676 listings starting at $1,495
Used Mitsubishi Lancer Evolution
23 Great Deals out of 672 listings starting at $13,977
Used Honda Civic
937 Great Deals out of 68,319 listings starting at $1,500
Used Dodge Challenger
351 Great Deals out of 24,969 listings starting at $8,750
Used Subaru Impreza WRX STi
22 Great Deals out of 571 listings starting at $12,995
Used Dodge Charger
469 Great Deals out of 29,730 listings starting at $2,275

Used Cars For Sale

2016 Scion FR-S Base For Sale
39 listings starting at $18,995
2015 Scion FR-S Base For Sale
48 listings starting at $16,000
2014 Scion FR-S Base For Sale
32 listings starting at $15,800
2013 Scion FR-S Base For Sale
14 Great Deals out of 296 listings starting at $12,500