What does Samsung Dryer Drive Belt Replacement - Signs & How-To mean?

Drum won't spin, squealing noises, or visible broken belt mean the drive belt has failed. Replacing the belt and inspecting the idler pulley restores drum rotation.

How do I fix Samsung Dryer Drive Belt Replacement - Signs & How-To?

Follow the step-by-step diagnosis below. The most likely fix is identified by checking power, sensor resistance, and control-board signals in order — using a multimeter and the part numbers documented in the parts reference table.

Can I keep running the equipment with this fault active?

Generally no. Faults on Appliance units are emitted when a sensor, safety, or control circuit is outside its operating envelope. Running through an active fault risks compressor, heater, or control-board damage. Diagnose and clear the fault first.

What part is most commonly replaced for Samsung Dryer Drive Belt Replacement - Signs & How-To?

The most frequently replaced parts for Samsung Dryer Drive Belt Replacement - Signs & How-To are listed in the Parts Reference section of this guide with OEM part numbers and typical price ranges. Check the table for direct replacements.

Is Samsung Dryer Drive Belt Replacement - Signs & How-To a DIY repair or do I need a technician?

Sensor swaps, fan motor replacements, and condenser cleaning are typical DIY-level repairs. Anything involving refrigerant, gas, or high-voltage (>240V) work requires a licensed technician for both safety and code-compliance reasons.

Samsung Dryer Drive Belt Replacement - Signs & How-To

Samsung Dryer Drive Belt Replacement — What This Part Does

The drive belt wraps around the dryer drum and connects it to the motor pulley and idler pulley so the motor can rotate the drum during a cycle. The belt is under constant tension and friction, so over time it will crack, fray, glaze, stretch, or break completely.

When the belt fails or slips off, the motor runs but the drum stays still. Samsung does not flag this as an electronic fault code. You diagnose it by opening the cabinet and inspecting the belt, idler pulley, and drum support rollers for wear or damage.

Jump to Replacement Steps

Signs It Needs Replacing

Drum does not spin but motor runs The motor hums or runs normally but the drum stays completely still, meaning the belt is broken or has slipped off the pulleys.
Squealing or slipping noise during operation A glazed or worn belt can slip on the pulleys and produce high-pitched squealing or rubbing sounds.
Burning smell from the dryer Belt slip or friction against a seized idler pulley can create a burning rubber odor.
Visible cracked, frayed, or broken belt Inspecting the belt through the cabinet shows cracks, thinning, fraying, or a complete break in the rubber.
Drum spins too freely by hand When the belt is off or broken, the drum rotates with almost no resistance instead of the normal firm drag.

How to Replace It

Unplug the dryer from the wall outlet and if it is a gas dryer, shut off the gas supply valve before beginning service.
Remove the dryer top and front panels per your model’s cabinet design to expose the drum, belt path, motor assembly, and idler pulley.
Inspect the old belt for cracking, fraying, glazing, or breakage and check the idler pulley for free rotation, bearing wear, or physical damage.
Check the drum support rollers and belt path for burrs, sharp edges, or other mechanical interference that could damage the new belt.
Remove the old belt from around the drum, motor pulley, and idler pulley, noting the correct routing and ribbed-side orientation.
Install the new belt around the drum with the ribbed side facing the drum and route it over the motor pulley and under the spring-loaded idler pulley to establish proper tension.
Rotate the drum by hand to confirm the belt tracks cleanly on all pulleys and does not slip or rub against the cabinet or drum edges.
Reassemble the front and top panels, reconnect any harness plugs or door switch connections that were removed, and restore power.
Run a short test cycle to verify the drum rotates normally, the belt stays in place, and there are no unusual noises or slip.

The Part You Need

Part	Notes
Samsung dryer drive belt	Amazon \| Samsung genuine part 6602-001655 is 86 inches long and 1/4 inch wide. Find your exact model and serial number on the sticker inside the door frame or on the rear panel to confirm compatibility before ordering.
Idler pulley or idler arm assembly	Amazon \| Replace the idler pulley if the wheel is seized, damaged, or cannot maintain proper belt tension. Some replacement assemblies include the spring, others require you to transfer the old spring.

If this part is failing you may also see one of these codes:

When to Call a Pro

Call a technician if you are uncomfortable disassembling the cabinet panels or routing the belt around multiple pulleys under spring tension. If the drum support rollers are worn or noisy, they are often replaced at the same time as the belt to prevent future drum damage or uneven rotation. For gas dryers, any work involving the burner assembly, gas connections, or igniter should be handled by a qualified service professional to prevent gas leaks or fire hazards.