belt is missing, squeeling sound before stopped engine, once stopped saw smoke coming from engine department

I see that one belt in off the pulleys one belt is connected and room for one more belt is missing. i believe is the drive train belt. first the battery light turned on, never did see the temp gauge go up. now i think the battery light came on due to the drive train belt loosing traction or breaking? towed car, turned on car to help move for the tow truck, felt that the power steering did not work…again i think due to the drive train belt not being there. what needs to be checked or replaced, what do i order for the repair? i tried to order a repair for serpentine belt but your mechanic
Experienced mechanics share their insights in answering this question :
Hi there:

In cases like then when you’re not sure what component needs to be replaced, it’s always best to have one of our professional mobile mechanics complete a car is hard to start inspection first. This will allow the mechanic to review your car for damage that is causing the symptoms you’re experiencing and then recommend the right replacement or repairs be completed to resolve your issue.

How to Identify and Fix Common car Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced mechanics :

The belt squeals because there is improper tension in the belt drive system. This is usually caused by a worn automatic tensioner, but other causes can include a contaminated belt (oil, belt dressing, etc.) or a belt that is too long or worn out.
Engine belts like the serpentine belt or the timing belt help time and operate different parts of the engine and hearing belt noise like a screech or squeal on startup, especially when it`s cold outside, probably means an engine belt needs replacing.
A loose or worn fan belt, also known as the serpentine belt, is usually the cause. Replacing this belt or belt pulley should eliminate the sound. Consider having the timing belt checked as well.
Your engine belts make a screech or squeal noise usually because the rubber belt is slipping on the metal pulley and just like your tires spinning on the road, this causes noise. The belt may be slipping due to improper tension or because it simply has gotten old and the surface has become glazed, cracked or brittle.
A misaligned pulley or tensioner is the most intriguing cause of the alternator belt squeaking noise. If you are getting squealing noise out of your car after a new device installation, there is a high chance that the tensioner or the idler pulley is out of its regular alignment.
Belt Noise

As these belts wear out, they can begin to squeak or squeal. They make noise because there is not enough tension on the belt, or because the pulleys are misaligned or weak. Often, simply changing the belt will make it stop squealing. The noise isn`t usually a danger, though it does sound alarming.

Check if the squeaking noise is persistent when you turn on your car, and it feels like it`s coming from the front of your vehicle (under the hood or from the engine bay). If yes, then the squeal you hear is from your serpentine belt or drive belt.
That`s why you may hear squeaks from your car occasionally. It may be due to several reasons, such as a loosened or worn-out serpentine belt, a faulty power steering system, suspension, or worn-out brake parts, which may require higher technical know-how to correct.
Hi there. A squealing noise is a common sign that the rotating parts such as your belts are slipping on their pulleys. A worn belt will make this noise due to the loss of tension and gripping ability of the belt. A simple replacement of your belt(s) will solve this issue.
Heat and friction of normal use slowly wear down the belt before it breaks. You know it`s time to have your belt inspected and replaced when the squealing noise gets louder and louder each trip you take.
It can squeak, squeal, chirp and clunk, imitating a bad engine-driven accessory or engine bearing. These noises can fool even the most experienced mechanic and lead to an expensive misdiagnosis. Squeals and chirps are definitely the two most common serpentine belt noises and usually result from different problems.
Knocking Sounds

If the timing belt tensioner is loose and the timing belt is getting stretched out because of this reason, you will continuously hear knocking or slapping noises. This happens because the loose timing belt hits several parts inside the timing belt cover.

The main physical difference between an idler pulley and tensioner pulley is a simple adjustable bolt! However, in terms of function and purpose, an idler pulley is responsible for guiding a belt drive in an engine or mechanical system, while a tensioner pulley is responsible for tensioning the drive belt.
The tensioner pulley bearing is broken, and the car will make a harsh metal noise when accelerating. The function of the tensioner is to guide and tighten it on the timing belt or timing chain of the engine, so that it is always in the best tightening state.
If you ever hear a loud engine squeal or screeching noise when starting your car, it could be a sign of a bad serpentine belt or an alternator that is failing. A bad alternator is the most common cause of a car that squeals when starting.
High-Pitched Squealing

Belts tend to squeal or chirp when starting your car and in colder weather, and they will begin to quiet down as the engine compartment warms up. If your car`s belts continue to make noise during normal operation, you should have your car`s belts checked and replaced as necessary.

High-Pitched Squealing

Belts tend to squeal or chirp when starting your car and in colder weather, and they will begin to quiet down as the engine compartment warms up. If your car`s belts continue to make noise during normal operation, you should have your car`s belts checked and replaced as necessary.

If you`ve just got a new serpentine belt installed and yet you hear the squealing noise, chances are your mechanic didn`t do a good enough job. Let your mechanic check the belt and determine if there`s a misaligned pulley or belt tensioner.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

belt is missing, squeeling sound before stopped engine, once stopped saw smoke coming from engine department
ANSWER : Hi there:

In cases like then when you’re not sure what component needs to be replaced, it’s always best to have one of our professional mobile mechanics complete a car is hard to start inspection first. This will allow the mechanic to review your car for damage that is causing the symptoms you’re experiencing and then recommend the right replacement or repairs be completed to resolve your issue.

My engine belt is coming off slowly now it is halfway out. Does this mean i need to replace the belt or it is a faulty engine?
ANSWER : When the drive belt is walking itself off the drive pulleys, it can be due to tension or pulley damage. If the belt tensioner spring is weak or broken, the belt will be loose and can begin to come off the pulleys. Also, if any of the pulleys, whether crankshaft, water pump, etc, are damaged and not spinning properly, this can put a side load on the belt and begin pushing it off any or all pulleys. Have a technician inspect the vehicle as soon as possible to avoid over heating the engine.

White smoke from the engine and smells of rubber with the knocking sound
ANSWER : My guess is that you have a leak somewhere, most likely a coolant leak. Coolant leaking onto a hot engine will immediately result in white smoke. Since you stopped the vehicle before all of the coolant was lost, the vehicle did not overheat. As for the noise, I’m not sure. It could be that the engine fan was running to cool the engine down. Whatever is going on with your vehicle, it sounds quite serious. I suggest you don’t drive it until the knocking sound is inspected by a professional firsthand. YourMechanic is an excellent option since we come to you.

I have a 96 Ford ranger with cel p0340 I have recently done a timing belt, engine runs great replaced cmp sensor cel still on
ANSWER : Hi There,
This may happen for a couple of reasons. First, check to be sure that the connections to the sensor are clean and not faulty or broken. Secondly, check to be sure you replaced the correct sensor as there are two camshaft position sensors in some applications. If you need further help with this, please reach out to us here at YourMechanic as we are always here to help.

There’s a lawn mower sound coming from my engine when I’m driving
ANSWER : The noise could be due to an exhaust leak although it is also possible that a failed wheel bearing could cause enough "rumbling" to sound really loud. If you request a vehicle noise diagnostic the origin of the noise will be pinpointed and the certified mechanic will let you know of the required repair and the cost. The power steering leak is probably not related to the noise (unless the fluid level has fallen low enough to cause pump noise). Power steering leaks can be a fire hazard though (if the leaking fluid contacts a hot engine part) and so you should have the leak repaired. The service to request is a power steering system inspection – leak diagnostic. If you request these services, a certified Mechanic, dispatched by YourMechanic will come right to your location and get these problems fixed for you. If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.

temp gauge shot through the roof, heard rattling in engine, smoke coming from lower passenger side of engine, belts slight squeek
ANSWER : If your engine temperature overheated, then you have problems in the cooling system. Running it low on oil does not help an engine. If you are getting smoking and noise from the engine, then you need to have the engine checked for damage from the overheating. The water pump may have failed or your thermostat may have stuck closed. I recommend having a certified mechanic, such as one from YourMechanic, come to you to diagnose the overheating issue to see what has happened.

Have a 03 Dodge Ram 1500 slt and turned off engine but belts still ran, disconnected battery noticed melted wire on starter
ANSWER : It sounds like your starter wire has a short to power. This would cause the starter to be engaging at all times and would explain why the belt was still spinning. I would recommend tracing the battery wire from the positive side of the battery down to the starter to check for any obvious visual damages. It is possible that an electrical surge occured and caused wires to melt together. If this is the case, replacement of the wires may be necessary. The starter should be ok unless the engine was restarted multiple times under this condition. If this has happened, the starter gear may have been damaged. Once the source of the problem is found, I would recommend resolving this issue immediately to avoid a potential fire.

My Toyota is making a noise when I start the engine and bogs the engine down for a second then goes away.
ANSWER : Hi there. A binding accessory could be causing your concern. Simply remove the drive belt and recheck. If the problem goes away, this eliminates the fear that there could be something goin on with the engine or transmission internally. It sounds like this could be the water pump. If the water pump is binding or leaking, it can cause the belt to slip and make it seem like the engine gets bogged down. Usually a visual inspection quickly uncovers the leak. However a properly executed pressure test is the best way to uncover leaks, both current and potential. I suggest having a qualified technician perform an inspection to avoid replacing unnecessary parts. Your Mechanic has several available technicians that can assist you with a car is making a noise inspection.