GM Balancers & Pulleys

How Can I Tell if My GM Engine's Got a Failed Harmonic Balancer?

Imagine. You're headed across the US-421 in the Chevy Camaro or Corvette you love driving. You start feeling the engine vibrating. You try speeding up a little; it gets noisier -- louder. Then the front end starts squeaking, squealing.

Sure, these could be signs of a faulty belt. But a lot of times, they suggest you've got a bad harmonic balancer. Don't worry; we're here to help you figure things out.

Here's all you need to know about harmonic balancers, including some common problems a faulty one can cause, and what to do to fix the balancer itself.

Harmonic Balancers 101

Also called a crankshaft balancer or a crankshaft damper, the harmonic balancer is a round disc attached to the crankshaft -- one that protects it (and indirectly, the engine) by absorbing the vibrations the engine cylinders produce as they fire.

Three parts make it up:

Common Harmonic Balancer Problems

How to Fix a Harmonic Balancer

You'll need a special puller for the job. Don't use tools like prybars, wheel pullers, or mallets -- these'll damage the balancer almost immediately. You'll also need specific tools to install a new one. If you've got them, and the skillset to go with them, the job's straightforward -- just follow manufacturer instructions. If not, the pros will be glad to help.

Shop OEM Crankshaft Balancers at GM Wholesale Direct in Winston-Salem NC

We've got what you need; it's genuine GM, made to fit your ride, and best of all, affordable. Plus, we'll ship fast, anywhere in the US. Contact us with any questions.