What would cause my van to shake at speeds above 60mph?

Asked by Feb 04, 2014 at 10:52 PM about the 2001 Chevrolet Express Cargo 3 Dr G1500 Cargo Van

Question type: Maintenance & Repair

As I was driving down the highway I noticed a little vibration. The further I drove the
vibration got worse.  I know what an out of balance tire feels like and this definitely was
not that. Any feed back would be greatly appreciated. Thank You

5 Answers

18,445

Bet breaking in tire, wheel loose, or something in front or rear suspension broken or loose.

2 out of 2 people think this is helpful.
9,525

u-joint, driveshaft, etc. Anything that rotates that can become "out of balance" If the shaking felt more through the vehicle's body than through the steering wheel check the rear wheels, u-joints, driveshafts, etc.

3 out of 3 people think this is helpful.
12,095

When did this happen? Do you get free tire rotation and balance? Try that. If you live in the frozen zone, do you have anything frozen on the rims or tires? At highway speeds it may be a wheel bearing going out or the start of tire serration. Have the tires all worn evenly? If not, you may have a tire out of round. If you can tell where, front or back, the vibration is coming from, it will make a difference. Best to have a tire pro look at the tires, rebalanced, and check the wheel bearings. Also make sure all the lug nuts are on and tight.

155

check your wheel bearings and drive shaft u joints

2 out of 2 people think this is helpful.
10

If the above fails, you may have a cracked fly wheel or a bad crank pulley dampner.

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