Questions tagged [belt]

Device used to operate accessories located on the engine, such as alternator, air-conditioning pump, power steering pump, etc. Most modern vehicles use serpentine style belts, but older vehicles can use V-style.

Filter by
Sorted by
Tagged with
18 votes
4 answers
21k views

Is there a benefit to belt driven motorcycles?

What are the pros and cons of belt driven motorcycles compared to chain driven bikes?
Jonathan Musso's user avatar
16 votes
3 answers
48k views

What is the cause of belt squeak in the morning?

For the past month or so my 2003 Honda Accord squeaks in the morning when I start driving to work. After a couple of minutes of driving the squeak stops. I'm pretty sure it's from the belt area. What ...
milesmeow's user avatar
  • 1,089
15 votes
5 answers
99k views

Easiest way to disable the A/C compressor

My A/C system has a leak in it and my compressor is making an awful noise: probably needs replacing. Winter is coming though, and I really don't want to spend any time or money on tracking down leaks ...
vlsd's user avatar
  • 1,009
13 votes
2 answers
52k views

How much power (HP) do the components on the engine belt generally use?

In general, how much power (HP) to the components on the the engine belt actually use? I'm trying to come up with an estimate of how much horsepower an engine wastes on things like the AC compressor, ...
Joshua's user avatar
  • 403
13 votes
4 answers
42k views

Are belt conditioners safe?

A service advisor at a vehicle repair shop recommended belt conditioner to help ensure longevity of rubber belts (timing, serpentine, etc.) and as a possible inexpensive fix to various engine noises. ...
End Anti-Semitic Hate's user avatar
11 votes
3 answers
36k views

What is the difference between a V belt and a serpentine belt?

My understanding is that in either case it is a belt that is connected to the crankshaft and via a series of pulleys powers all the peripheral systems of the car. My understanding is also that a fan ...
temporary_user_name's user avatar
11 votes
3 answers
210k views

Horrific squealing when car is first turned on?

This is a really classic and common old car problem. I see it all the time but this is the first time it's started happening to my own car. Basically when I first turn the car on, there's instantly a ...
temporary_user_name's user avatar
9 votes
2 answers
5k views

Why not have drive chains instead of drive (serpentine) belts?

My drive (serpentine) belt was recently chewed down to about half the width and I had to replace it. Which brings the question: if the automotive industry has been gradually replacing timing belts ...
amphibient's user avatar
  • 6,643
8 votes
7 answers
202k views

Is there a general fix or product I can buy to silence a squeaky belt?

I have a squeaky belt in my car that is driving me crazy! Is there a general fix or belt treatment product I can buy to silence a squeaky belt? If belts are squeaky, does that mean time for ...
Troggy's user avatar
  • 2,096
8 votes
3 answers
6k views

What is the likelihood that my crankshaft is warped?

This may be an involved question so bear with me. :) I have a 1998 Honda Accord EX (4cyl) with 281xxx KM, and last week I was told by my mechanic that the harmonic balancer is warped. And in fact, ...
i-vtec...do you's user avatar
7 votes
4 answers
19k views

Constant belt squeak

I have a 2002 GMC Sierra 2500HD. The main belt constantly squeaks, it did not start squeaking until after I had my water pump and heater hoses replaced. The shop has replaced the belt 8 times over the ...
user avatar
7 votes
1 answer
3k views

DIY Alternator Belt Tensioner

I've got a diesel engine in my boat, but the previous owner had somehow snapped the alternator bracket, and fitted it fixed to the boat rather than the engine. Now the alternator doesn't move when the ...
Adam's user avatar
  • 203
6 votes
3 answers
3k views

2006 Cobalt SS - Serpentine Belt Broke, How to Diagnose

I drive a 2006 Cobalt SS (not supercharged) with the 2.4L engine. Today my serpentine belt broke. I need to get the car into the shop this week for a different problem. I'm fairly confident that I ...
Anthony Compton's user avatar
6 votes
1 answer
1k views

Clicking noise in Opel Astra

I just bought a 99 Opel Astra and I have noticed a clicking noise in it. I opened the bonnet and it sounds like it may be coming from the timing belt! I really don't know though. The guy i bought it ...
Sersh Browne's user avatar
5 votes
1 answer
2k views

What are slip rings with respect to a cars alternator?

This is not a physics forum, and as such I don't expect answers to explain Faraday's law of induced emf (electromotive force), which is the basic physics principle behind how an alternator is able to ...
Max Goodridge's user avatar
5 votes
1 answer
2k views

Cam Belt vs Belt Drive vs Serpentine Belt vs Fan Belt vs V Belt vs Timing Belt

I have a 2004 VW Passat B5 and having started to learn a bit more about engine theory, I was wondering how many belts I have and what names each of the belts have. So, I have a two part question: ...
Max Goodridge's user avatar
5 votes
1 answer
2k views

How do I change alternator pulley on 2001 Fiat Ducato?

I need to change the belt (closest one in picture) as it's become very loose. There doesn't seem to be a tensioner pulley, so do I just remove the bolt in the center pulley in order to remove the ...
Jake Davies's user avatar
5 votes
5 answers
6k views

"Fan hitting something" noise when switching on "Inside Air" button

When I start my car, and while it's still at idle and stationary, I hear a noise which sounds like a fan or belt hitting something, but at a low frequency of 4 Hz. The sound is like rubber or plastic ...
Monstieur's user avatar
  • 153
5 votes
1 answer
16k views

What do you use to clean oil off of drive belt

a power steering hose leaked near my drive belt and it is squealing a bit. I have fixed the leaky hose and need to clean up the mess. What can I use to clean the drive belt?
Jay P's user avatar
  • 247
4 votes
4 answers
12k views

How to replace Alternator out (2001 Nissan Sentra) [pictures inside]

I am trying to remove the Alternator on my Nissan Sentra 2001. I believe I need to take the alternator belt off. It's tightly on the pulley - see picture How to make the belt loose? I am told that ...
user1406716's user avatar
4 votes
2 answers
5k views

Loud squealing sound, only while driving (2002 Toyota 4Runner)

Wondering if someone can help me eliminate potential issues. Squealing, somewhat screechy, somewhat chirpy noise. No sound at all while parked, even reving up to 4,000 RPM. Sound starts while moving (...
Andrew Cheong's user avatar
4 votes
2 answers
46 views

Belt size to bypass a/c, please?

I am a single mom, trying to get my teenager back on the road. She inherited her Memaw’s 2007 Toyota Avalon and I am not able to replace the a/c compressor right now. Would anyone know what size belt ...
Marcia Connor's user avatar
4 votes
1 answer
125 views

Are torque sensors used to reduce cam belt failure damage?

The water pump bearings on a friend's car recently seized, causing the timing belt to jump off the pulley, lose tension, lose timing, and the engine to munch its valves. Could this failure have been ...
Daniel's user avatar
  • 529
4 votes
1 answer
930 views

Should I use a shorter accessory belt?

I've had the A/C discharged on an older truck (2001 Grand Cherokee 4.7L v8), and soon I plan to remove the entire A/C system, specifically, the compressor. Is there anything that I should be ...
The Busy Wizard's user avatar
4 votes
1 answer
4k views

Replaced belts and they still squeak

I replaced the 2 belts on my 2011 Hyundai Elantra. Now when I put the heat on it makes a weird squealing noise. What is it?
Christopher Santos's user avatar
4 votes
3 answers
11k views

2010 Hyundai Elantra squeals loudly on start up

I’d appreciate any advice or input you may have. I own a 2010 Hyundai Elantra. Bought it used in 2014 with 61K miles on it. The car was great for me for a couple years, and required nothing besides ...
imcd9210's user avatar
4 votes
1 answer
5k views

Can a loose serpentine belt damage my power steering

I'm asking about someone else's vehicle, so I don't know the normal details. It's a mini van. Probably 8 to 10 years old. It might be an Aerostar. An alternator was installed by a guy in a parking ...
TecBrat's user avatar
  • 371
4 votes
1 answer
838 views

E46 engine chirps when idling in the morning

The title pretty much sums it up. If I haven't driven the car in a few days, the BMW E46 engine makes a faint chirp for about 30 seconds when I start up the engine. It's more like a rapid chirp, as ...
s g 's user avatar
  • 442
4 votes
1 answer
21k views

How to loosen drive belt tensioner on 2007 Toyota Corolla?

My understanding is that I need to follow these steps to replace a drive belt: Use a breaker bar and 19 mm socket and turn the tensioner release nut clockwise to release tension on the belt. Remove ...
Jim Ford's user avatar
  • 323
4 votes
3 answers
2k views

How can I remove Factory Air Conditioning from a 1965 Mopar Big Block

I have a 1965 Mopar 383 Big Block with factory air conditioning. I would like to remove the air conditioning from the engine, including the A/C pump. Unfortunately, the belts for the accessories are ...
seanmk's user avatar
  • 326
4 votes
1 answer
338 views

2004 Crown Vic seat belt tensioner won't extend

2004 Crown Vic had right rear door replaced, they didn't hang hinges carefully and door wouldn't open easily. I unbolted the front seat belt pretensioner from the door post to access the lower hinge ...
Arthur Kalliokoski's user avatar
3 votes
1 answer
619 views

Subaru Legacy cam belt change

I have got a 2010 Subaru Legacy 2.5 GT and it has done 90,000 KMs now. What is the best time to change its cam/timing belt? Is it by 100,000 KMs or 100,000 Miles? Thanks!
Vajira Lasantha's user avatar
3 votes
3 answers
4k views

Removing a Viscous Fan without the serpentine belt (1998 Land Rover Discovery)

The PAS pump on my Discovery failed fairly spectacularly last week, shedding it's pulley at the side of the road. In order to get at it to replace it, I need to get the fan off, which requires undoing ...
Nick C's user avatar
  • 28.8k
3 votes
1 answer
71 views

Buying a 1981 Kawasaki 440 D questions

There is a 1981 Kawasaki 440 D that is belt driven on Craigslist for $850 and I just have a few questions on about it being a belt drive. Is a belt drive ok to have? Is it worse than chain drive? And ...
cr8zydrummer's user avatar
3 votes
1 answer
3k views

Maintenance on a 2005 Nissan Sentra 1.8S

My previous car was totalled and while shopping for used cars, I have found a 2005 Nissan Sentra 1.8S on sale for a very good price. It is being sold by the current owner, and it has been going to the ...
f1StudentInUS's user avatar
3 votes
1 answer
113 views

Can a belt burn without squeeling?

Just yesterday I replaced all of the drive belts on my 1998 Kia sportage because they were old. Now when I start my car I get a little bit of a burning smell, but there is no squealing noise ...
rviertel's user avatar
  • 1,169
2 votes
2 answers
21k views

Squeaking under the hood only while throttle is pressed

My 2001 F150 with 255xxx miles has a squeaking under the hood. It is only present while the throttle is pressed while driving. It is loud enough to be heard in the cab, but not over the radio. It ...
Eric Urban's user avatar
  • 1,286
2 votes
2 answers
4k views

Is alternator rating at pulley rpm or engine rpm?

I just got a new alternator for my jeep that says 160amps at 2k rpm. Is this rating for the pulley rpm on the alternator - or is it the rpm of the engine? Also, if the pulley is spinning slower than ...
Sponge Bob's user avatar
  • 1,557
2 votes
3 answers
88 views

Bad pulley or Belt?

Okay so I had my car break down about a week ago and from looking at the car myself and using my common sense, after Turing the car on for about 8 seconds all I heard was squealing and smoke coming ...
Carlos Quiroz's user avatar
2 votes
1 answer
4k views

Changed alternator in '05 Altima, now it won't start

The alternator went bad a couple of months ago. I replaced it and the car started and ran fine. During a road trip on Tuesday, the battery and brake dummy lights flashed intermittently and eventually ...
Shane's user avatar
  • 21
2 votes
1 answer
1k views

tightening belt tensioner after fitting new timing belt

My car is due for a timing belt change now. I have done everything, locked the camshaft pulleys and crankshaft sprocket and removed the old timing belt. Now, I want to install the new belt on the car ...
LFY MP7.3's user avatar
  • 946
2 votes
2 answers
16k views

Does timing jump cause engine replacement?

Does timing jump cause engine replacement? =========================================== My TOYOTA Camry 1999 was driving OK. I do check under the hood on and off, I did not do that check for awhile. ...
user2647763 - RIMD's user avatar
2 votes
1 answer
19k views

When to replace the timing belt on a 2015 VW Golf TDI

I own a VW Golf TDI 1.6 Mk7 (2015) Odometer: 82,000KM. I would like to know at what Odometer reading should I change the timing belt/chain.
GBS's user avatar
  • 21
2 votes
0 answers
67 views

Wrong serpentine belt

I have a 93 Chevy Caprice Classic 5.0 I had the serpentine belt replaced but he used a belt that was the wrong belt - 2 inches longer. A 950 instead of the 930. Since then I have had the alternator ...
Ken Ogden's user avatar
2 votes
1 answer
159 views

AC Compressor Question on 2009 Altima

When I turn on by AC, the engine immediately dies and can hear a brief sound that seems to be a belt "squeak." I am assuming it is the compressor seizing the belt upon engaging, but are there any ...
J. Wright's user avatar
2 votes
1 answer
1k views

Squealing and uneven idle, then tachometer drops to zero but engine keeps running

When I start my car, a belt seems to slip and then the tachometer reads zero RPM but the engine keeps running, but has weak power and only runs at low RPM. Any idea what's going on? The Symptoms: ...
askewchan's user avatar
  • 121
2 votes
0 answers
137 views

honda accord 2000 lx valve chatter

Timing belt was replaced and now there is a noticeable valve noise at 1600-1900 RPM. No noise at idle. Once you hit 2000 RPM and above no noise. Power is good across RPM band. Checked valve ...
Andyz Smith's user avatar
1 vote
2 answers
15k views

Air-conditioning belt is making a loud squealing noise. What should I do?

How long will the air conditioner last if it is making a loud squealing noise. I want to know if I have to replace it right away.
Atticus Denewmont's user avatar
1 vote
2 answers
174 views

Timing belt location on the pulleys with the new tensioner

Recently, I replaced my timing belt, water pump and belt tensioner. Everything looks fine but I noticed something. With the old tensioner (17 years old), the old belt would sit at slightly different ...
LFY MP7.3's user avatar
  • 946
1 vote
1 answer
2k views

wheel/pulley coming out of my engine is making a loud rattling noise

Civic sedan: 1997 150i so on my home from the shop I notice at a stop that as I push the clutch down and put the gear lever into neutral, there's a soft, slight rattle before the normal sound my car ...
pythonian29033's user avatar