When do you know you have a serpentine belt problem?
This sound is the first warning of a serpentine belt problem to come, especially if it’s present all the time. It’s a weak, sometimes barely noticeable squeaky sound that may even disappear when you start to drive or the engine heats up a bit.
Is the water pump driven by the serpentine belt?
Another important device driven by the serpentine belt is the water pump. This is not always the case as on a lot of cars the water pump is driven by the timing belt. You should have this in mind so you don’t falsely “accuse” the serpentine belt for overheating.
Why does my serpentine belt make a screeching sound?
The belt slides over a motionless pulley causing extensive friction, heat and the recognizable sound. The screeching sound may also be caused by a severely worn out serpentine belt (in this case, it must be nearly pulverized).
Why does my GMC Sierra make a whining noise?
If it changes with the engine, it’s most likely going to be an accessory bolted to the engine (or the radio, shut it off and see if it stops). If it stay constant as you rev the engine it’s going to be something else. A whining sound when accelerating is almost always caused by a bad accessory attached to your Sierra’s engine.
When does the belt squeak on a Silverado?
Motodeficient wrote: I’ve got an 09 Silverado 4.3 with just over 30k on the clock. I got it last November. Shortly after, the belt started to squeak when the engine was cold, and it was a bit worse if there was moisture in the air. I put a new gatorback belt on and the problem went away for a few months.
Why does the serpentine belt make a squeaking noise?
Some customers may comment on an accessory drive belt / serpentine belt chirp, squeal or squeak noise from the engine compartment at idle or while driving. This condition may be caused by a misaligned pulley and/or the accessory drive belt creating the noise. Notice: Do not use belt dressing or silicone on the drive belt.
Why does my Gatorback belt squeak when the engine is cold?
Shortly after, the belt started to squeak when the engine was cold, and it was a bit worse if there was moisture in the air. I put a new gatorback belt on and the problem went away for a few months.
How do I replace the drive belt on my GM Silverado?
Refer to Service Bulletin 08-06-01-008. Additional information on EN-49228 Laser Belt Alignment Tool can also be found in GM TECH LINK Publication, June 2008 Volume 10, No 6. Check and/or adjust pulley alignment, then replace the accessory drive belt, if necessary. Refer to Drive Belt Replacement-Accessory in SI.
How is the tension set on a serpentine belt?
Depending on the application, your serpentine belt will either have tension placed on it using a movable bracket or an auto tensioner pulley. This pulley uses an internal spring to apply consistent pressure to the belt at all times. If your vehicle does not have a tensioner pulley, the alternator bracket is likely how tension is set on the belt.
Where do I find the serpentine belt routing diagram?
Find the serpentine belt routing diagram. Many cars come with a sticker in the engine bay that shows exactly how the serpentine belt is supposed to be routed through the various pulleys on the engine. If your vehicle does not have a sticker, you will need to find another way to remember how the belt should be run.
How to install a new serpentine belt, fan belt or?
With clear access to your pulleys, you can now install your new serpentine belt. Remember to align the grooves of the belt with the grooves of your pulleys.
How can I tell when to replace my serpentine belt?
Your mechanic can let you know when to replace the serpentine belt or how many miles it has left. Look on the inside of the belt (the ribbed side that touches the pulleys on the alternator, water pumps, and other engine accessories).
How did the serpentine belt get its name?
The serpentine belt is aptly named for the way it snakes around the pulleys inside the engine bay. This long, winding rubber belt powers many of the important systems of your vehicle by transferring power from the engine’s crankshaft to the accessory pulleys.
What makes a serpentine belt make a squealing noise?
The tensioner is a self-adjusting pulley that maintains pressure on the belt to reduce slipping. At times, the bearings in the tensioner pulley become worn. This causes the squealing noise. Check these bearings when performing a belt change. Serpentine belts have that name for a reason.
Why does the serpentine belt on my car crack?
Wear and tear, as well as extreme temperatures, will take a toll on the serpentine belt at some point. Years of use could cause the belt to crack or wear unevenly. It’s a good idea to periodically check the belt or have a mechanic inspect it for you during routine car maintenance.
What kind of engine belt is Alliance serpentine?
If you want to get 100,000 miles out of a belt, choose an Alliance™ Parts serpentine belt for your truck’s engine. The Alliance™ serpentine belt is made from high-strength ethylene propylene diene monomer (EPDM), which lasts significantly longer than traditional neoprene belts.
How do you remove a belt from a serpentine drive?
Pull the belt off of all of the pulleys, slowly release the belt tensioner, and remove the belt. Route the new belt around the pulleys in the manufacturer-specified direction and path. The belt will not fit all the way around the belt tensioner.
What kind of monomer is a serpentine belt made of?
The Alliance™ serpentine belt is made from high-strength ethylene propylene diene monomer (EPDM), which lasts significantly longer than traditional neoprene belts. Read More
Why does my car belt screech when I start the car?
When these belts start to slip, they will make a sharp screeching noise. Step 2: Operate the accessories. Most often, the belt screeching occurs at cold start: when the car is started after being parked for at least four or five hours.
This sound is the first warning of a serpentine belt problem to come, especially if it’s present all the time. It’s a weak, sometimes barely noticeable squeaky sound that may even disappear when you start to drive or the engine heats up a bit.
The belt slides over a motionless pulley causing extensive friction, heat and the recognizable sound. The screeching sound may also be caused by a severely worn out serpentine belt (in this case, it must be nearly pulverized).
Why does my serpentine belt squeal when cold start up?
Serpentine belt squeals on cold start up after replacement. Had it replaced almost 3k miles ago. I have a warranty for the work. Just wondering if that is normal. It also squeals when turning is maxed out. Not sure if that is the same belt. Any help would be appreciated. Thank you
When these belts start to slip, they will make a sharp screeching noise. Step 2: Operate the accessories. Most often, the belt screeching occurs at cold start: when the car is started after being parked for at least four or five hours.