Shaking at high speeds

Asked by Oct 29, 2016 at 02:33 AM about the 1999 Pontiac Grand Am

Question type: Maintenance & Repair

When I get up over 60 mph my car vibrates on and
off. It vibrates for about 3 seconds then stops for
about 3 seconds. Over and over until I slow down.

1 Answer

83,555

Your tires could be worn or out of balance, struts could be worn or defective. You may need a wheel alignment...

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

  • It feels like my car is floating/pulling at high Speeds 24 answers

    So, I live in Michigan where the weather is really bad in the winter. There was a slight dusting of snow on the ground this morning, not much at all. I have a 99 Pontiac Grand Am SE 140,000 miles. I p...

    1999 Pontiac Grand Am 2 Dr SE2 Coupe

    -

    Maintenance & Repair

  • what's causing my car to rattle and shake? 3 answers

    my car shakes slightly when driving. feels like i'm driving while the wheels are not tightened on. when i'm braking, i notice it shakes some along with a rattling noise. when i'm driving 25-30 mph, i ...

    2002 Pontiac Grand Am SE

    -

    Maintenance & Repair

  • RPMs "shaking"? 5 answers

    I have a 2002 Pontiac Grand Am GT. When I drive, the RPMs shake a little, as in they jump a little and then go back down and can't settle on one spot, and the car tends to shake with the RPMs. It st...

    2002 Pontiac Grand Am GT

    -

    Maintenance & Repair

  • High RPM / Low speed gain / Engine-Shifting issues? 32 answers

    Pontiac Grand Am SE - v6 Engine - Automatic Transmission I am experiencing SERIOUS issues with my acceleration. When I try to accelerate from an idle position, my engine refuses to pick up speed. If ...

    2001 Pontiac Grand Am SE

    -

    Maintenance & Repair

  • Steering wheel Shaking 3 answers

    I recently replaced my brakes and rotors myself, in the front, and no for a fact they are not warped. The car itself is a "beater" car to get to and from work and the four tires differ in tread we...

    1998 Pontiac Grand Am 4 Dr GT Sedan

    -

    General

Search Pontiac Grand Am Questions

Pontiac Grand Am Experts

#1 tenspeed
tenspeed
Reputation 7,180
#2 John Saffrahn
John Saffrahn
Reputation 1,480
#3 Tom Demyan
Tom Demyan
Reputation 1,270
View All

Related Models For Sale

Used Pontiac Grand Prix
3 Great Deals out of 53 listings starting at $1,500
Used Ford Mustang
11 Great Deals out of 825 listings starting at $2,995
Used Chevrolet Impala
24 Great Deals out of 821 listings starting at $2,600
Used Chevrolet Monte Carlo
14 listings starting at $6,500
Used Chevrolet Malibu
117 Great Deals out of 2,003 listings starting at $2,318
Used Jeep Grand Cherokee
50 Great Deals out of 3,342 listings starting at $710
Used Chevrolet Camaro
3 Great Deals out of 891 listings starting at $10,995
Used Chevrolet Cavalier
39 listings starting at $1,995
Used Pontiac Bonneville
4 listings starting at $7,995
Used Ford Taurus
18 Great Deals out of 249 listings starting at $2,995
Used Ford Explorer
34 Great Deals out of 1,026 listings starting at $2,995
Used Ford Focus
121 Great Deals out of 2,276 listings starting at $750