what is a harmonic balance pulley on a 1991 buick 3.5 engine?

Question

car is missing ,sputtering

Answer 1

The harmonic balancer is a device that is basically a weight that can move slightly as the motor pulsates. It does this to dampen these vibrations that could damage the motor if not held in check. If you look down at the motor from the right front fender and locate the very bottom pulley that the serpentine belt rides on, that is the pulley that attaches to the harmonic balancer. If you would like to address your concern with missing and sputtering, check all spark plugs and wires for corrosion and/or carbon tracking or heat related breeches in the plug wires insulation. You will have to remove all wires at both ends and inspect and remove all spark plugs to inspect. Replace as nec. If you find a bunch of corrosion in the wires, coil towers, or plug ends, replace both affected parts and recheck. Good luck.

Answer 2

The Harmonic Balancer Pulley is the very bottom pulley at the front of the engine.The outer part is the pulley and the inner heavier part is the Harmonic Balancer.

Answer 3

vehicle aspects shops including NAPA or Carquest the two has or can get you a harmonic balancer elimination and setting up gadget. Your appropriate wager is to %. up a clean one on the broking of your vehicle. OEM (unique kit harmonic balancers are a three piece unit an outer steel ring, inner crankshaft hub with a frustrating rubber ring isolating the two steel rings. As an engine an prolonged time, the rubber ring provides-up the ghost and could become mushy permitting the rings to wobble or separate.

Answer 4

The harmonic balancer smothes out the minor imbalance of the crank shaft. You have some other problem. Could be something in the vacuum hoses or the valve which controls crankcake gasses to the intake manifold.