GMC Sierra 3500 Idler Pulley Replacement Costs

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Idler Pulley Replacement Service

How much does a Idler Pulley Replacement cost?

On average, the cost for a GMC Sierra 3500 Idler Pulley Replacement is $145 with $22 for parts and $123 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2002 GMC Sierra 3500V8-8.1L	Service typeIdler Pulley Replacement	Estimate$232.07	Shop/Dealer Price$265.71 - $337.40
2003 GMC Sierra 3500V8-8.1L	Service typeIdler Pulley Replacement	Estimate$206.07	Shop/Dealer Price$239.74 - $311.44
2005 GMC Sierra 3500V8-8.1L	Service typeIdler Pulley Replacement	Estimate$206.07	Shop/Dealer Price$239.73 - $311.44
2006 GMC Sierra 3500V8-6.0L	Service typeIdler Pulley Replacement	Estimate$206.07	Shop/Dealer Price$239.71 - $311.39
2006 GMC Sierra 3500V8-6.6L Turbo Diesel	Service typeIdler Pulley Replacement	Estimate$179.37	Shop/Dealer Price$206.38 - $258.07
2004 GMC Sierra 3500V8-8.1L	Service typeIdler Pulley Replacement	Estimate$206.07	Shop/Dealer Price$239.73 - $311.44
2001 GMC Sierra 3500V8-6.6L Turbo Diesel	Service typeIdler Pulley Replacement	Estimate$173.55	Shop/Dealer Price$197.28 - $239.59
2004 GMC Sierra 3500V8-6.6L Turbo Diesel	Service typeIdler Pulley Replacement	Estimate$185.87	Shop/Dealer Price$213.17 - $265.08

Show example GMC Sierra 3500 Idler Pulley Replacement prices

What is the Idler Pulley all about?

An idler pulley is responsible for guiding and maintaining tension with the drive belt. The drive belt (also called the serpentine belt) connects the engine to various components of the vehicle (such as the air conditioning, power steering, and alternator). Power is transferred from the engine to these systems via the drive belt. The belt is held in place by the idler pulley, which keeps the tension on the drive belt and guides it.

Keep in mind:

When an idler pulley is replaced, it’s a good idea to replace the drive belt as well.

How it's done:

Inspect engine for noises
Inspect the drive belts
Spin the pulley
Replace the pulleys if found bad
Check for proper operations of the belt

Our recommendation:

Any time that drive belt maintenance is performed on your vehicle, the idler pulley should be examined. Idler pulleys usually wear out with time, so it is a safe precautionary procedure to have your idler pulley replaced during any drive belt servicing.

What common symptoms indicate you may need to replace the Idler Pulley?

Noises from the engine
Warning lights are on
Loss of power steering
Car is overheating

How important is this service?

The idler pulley is responsible for keeping your drive belt aligned, and for maintaining the tension in the drive belt. The drive belt is used to transfer power from the engine to the alternator, power steering, and air conditioning, among other systems. If the driver pulley starts to degrade, the drive belt will be less efficient, and your vehicle will be liable to overheat or run poorly. If the idler pulley fully breaks, the drive belt will no longer work at all, and your car won’t run.

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Peter

25 years of experience

523 reviews

Peter

25 years of experience

by Maria

GMC Sierra 3500 V8-8.1L - Check Engine Light is on - Sylmar, California

I will definitely be requesting Peter for future work. He was very knowledgeable and explained things thoroughly. Thank you!

Robert

42 years of experience

232 reviews

Robert

42 years of experience

by Anjanette

GMC Sierra 3500 V8-8.1L - Oxygen Sensor Replacement (Front/Upper/Upstream) - Houston, Texas

Best I have had yet with My Machanic

Scott

36 years of experience

902 reviews

Scott

36 years of experience

by JENNIFER

GMC Envoy L6-4.2L - Idler Pulley - Phoenix, Arizona

Fast, competent, professional, knowledgeable...Overall a great experience. Scott is one of the reasons I keep coming back to YourMechanic

Keith

26 years of experience

231 reviews

Keith

26 years of experience

by MAJOR

GMC Savana 1500 V8-5.3L - Idler Pulley - Fort Worth, Texas

Keith is a great mechanic and knows what he is doing. send him back if I need more service.

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