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(Post Link) post #1 of 25 Old 22-01-13 Thread Starter
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159 mystery noises!

Hi all,

Am a tad paranoid after reading about gearbox issues on the 159 1.9 JTDM. The car has made a background noise since I've owned it (about a year / 10,000 miles). I thought it was coming from deep inside the dashboard.

It kind of sounds like a faint whirring - a bit like a lathe sound. It doesn't really increase with speed and doesn't stop when dipping the clutch or going into neutral. It has recently had a gearbox oil change and nothing has changed there. It's a background noise, not really offensive but I want to be cautious.

It starts at approx 30mph but doesn't make a noise on idle or when revving the engine. The noise doesn't get any worse as the car warms up and it stops as you come to a standstill.

Also, it now makes a more audible chirruping sound at lower speeds. This is quite audible with the window down - sounds like it is nearside. Bit of an odd noise and hard to describe but also a bit of a worry.

The gear change seems normal and the clutch is fine as is the running of the engine. Wonder if anyone else has experienced similar or if there is anything obvious to check. For example, could it be a wheel bearing.

I am concerned it could be transmission although, as I say, it's been like this for approx 1 year and 10,000 miles.

Any ideas / thoughts appreciated!

Rockin' all over the road in Alfas since 1998 including: 164 TS, 164 QV 24v, 166 3.0 Super, 159 JTDM, 75 TS Veloce, 156 1.8 TS Veloce and the Giulietta Cloverleaf.
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Wheelbearing is easy to check, drive the car and make turns. If noise goes away after turning you know it's a bearing in front. To check rear bearings you need to get the car up and try to bend the wheel. If you feel movement a bearing needs to be changed.

i have a thread where you can hear how a bad gearbox sounds. Find it and listen, maybe you can find some info.
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(Post Link) post #3 of 25 Old 22-01-13 Thread Starter
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Yes, the more I think about it, I don't think the noise changes in sound or pitch when cornering and it's definitely coming from the front. May run it up to Monza Sport one lunch time for a listen. Trouble is, they charge you just to take a look which is a bit annoying but guess you've got to pay for their time etc...
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long shot but turn the aircon off (snowflake symbol button). That's the noise you get when its low on gas or the compressor bearings are worn. I had exactly the same only over 30mph and it also jangles slightly.

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(Post Link) post #5 of 25 Old 22-01-13 Thread Starter
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long shot but turn the aircon off (snowflake symbol button). That's the noise you get when its low on gas or the compressor bearings are worn. I had exactly the same only over 30mph and it also jangles slightly.

Jonnym
I did wonder that but the air con is rarely on at the moment. No point in wasting fuel in the winter months as the compressor is a drain on the engine when it runs.

Am seriously hoping it's not a gearbox / bearing issue. Just odd that the noise is still made when the clutch is dipped or rolling along in neutral. Wonder if it could be a pulley bearing? The noise sounds like it is coming from deep inside the middle of the dash and, thus, probably from that area of the engine bay which is why I think it could be gearbox-related especially after reading some doom-and-gloom reports on here. Appreciate it's hard to tell without hearing it so think I'll have to visit an Alfa specialist to get their thoughts...
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personally I think you need to stop worrying,I recently bought the same car then came on the forum and read loads of horror stories about this and that and really started to panic about every little noise etc !!!! I have now decided to just enjoy the car and not get to hung up on problems that may or may not be there? if it breaks deal with it then because if it is the box there's nothing you can do anyway so the outcome will be the same.... sorry for not being any help just trying to bring a more positive mind set....have a few issues with mine only noticed them after reading the forum ha ha food for thought!!!!!!!!!
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(Post Link) post #7 of 25 Old 22-01-13 Thread Starter
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personally I think you need to stop worrying,I recently bought the same car then came on the forum and read loads of horror stories about this and that and really started to panic about every little noise etc !!!! I have now decided to just enjoy the car and not get to hung up on problems that may or may not be there? if it breaks deal with it then because if it is the box there's nothing you can do anyway so the outcome will be the same.... sorry for not being any help just trying to bring a more positive mind set....have a few issues with mine only noticed them after reading the forum ha ha food for thought!!!!!!!!!
Yes, get what you say. It's the new noise that bothers me more and, because it's so intermittent, it probably won't present itself if I take it to my local specialist. Think I'll stick with your train of thought for now. If it ain't broke, don't fix it etc and turn the stereo up!
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I'd have to agree,

If the box is shagged, you could get it done now and know it's ok,
(and possibly still have the noise)
or you could wait till it goes then have it done, end result is the same and the costs will be pretty much the same, just make sure you have breakdown cover to get you home if it is the box.

I had mine done (after it failed) and am still nervous of every sound, one thing I have noticed is that the fan is noisey, at low fan speeds I was worried that something major was wrong but at high fan speeds you wouldn;t know there was a problem.

Never mind the aircon, just the fan on it;s own sounds like the engine is rattling it's **** off.

Just try to drive it and enjoy it.

Just my 2c's

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unkle munkle, my 159 has exactly the same sound you mention. it's been bugging me for ages so i took it to gus at alfatune over christmas for him to take a look/listen. i was worried it was something like a turbo bearing but he said very unlikely. bottom line - didn't know what it is but it will have to get much noisier before it can be diagnosed. it's been there for about a year (since i noticed it anyway) and i've just learned to live with it. i'd love to know what the hell it is though - let me know if you find anything out

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(Post Link) post #10 of 25 Old 23-01-13 Thread Starter
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Originally Posted by ACAPULCO AL View Post
unkle munkle, my 159 has exactly the same sound you mention. it's been bugging me for ages so i took it to gus at alfatune over christmas for him to take a look/listen. i was worried it was something like a turbo bearing but he said very unlikely. bottom line - didn't know what it is but it will have to get much noisier before it can be diagnosed. it's been there for about a year (since i noticed it anyway) and i've just learned to live with it. i'd love to know what the hell it is though - let me know if you find anything out
OK, will do!
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Sounds a bit like my problem which was the gearbox bearings in the end. I had them replaced while still in the car for 600 which although it sounds alot is actually very cheap compared to taking it out...new clutch etc etc. If you need advice as to where to get it done and you are in the midlands(Coventry area) let me know. I have done 145,000 miles now so not a great surprise! (Both front wheel bearings done separately too btw)
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Sounds a bit like my problem which was the gearbox bearings in the end. I had them replaced while still in the car for 600 which although it sounds alot is actually very cheap compared to taking it out...new clutch etc etc. If you need advice as to where to get it done and you are in the midlands(Coventry area) let me know. I have done 145,000 miles now so not a great surprise! (Both front wheel bearings done separately too btw)
Interesting - imagine you can access the inside of the gearbox from the driveshaft end. Not uncommon. Think I'm going to see if it gets any worse first before spending huge amounts of money. The gear change is fine. The noise that worries me is the squarking/chirruping at about 20-30mph. Again, doesn't matter if in neutral or gear, clutch engaged or not. I would have an educated guess at a pulley or bearing or possible CV/driveshaft issue but, because it's not constant, makes it hard to diagnose. This is a completely separate noise to the faint whirring noise.
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Quote:
Originally Posted by Unkle Munkle View Post
Interesting - imagine you can access the inside of the gearbox from the driveshaft end. Not uncommon. Think I'm going to see if it gets any worse first before spending huge amounts of money. The gear change is fine. The noise that worries me is the squarking/chirruping at about 20-30mph. Again, doesn't matter if in neutral or gear, clutch engaged or not. I would have an educated guess at a pulley or bearing or possible CV/driveshaft issue but, because it's not constant, makes it hard to diagnose. This is a completely separate noise to the faint whirring noise.
I think its a drive shaft drivers side mine has been making similar noise getting fixed tomorrow!
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I'd be interested to know how much a drive shaft replacement is as I've a feeling thats also starting on mine now....cars eh!
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Cost me 200 from local garage for drive shafts noise has now gone car is great again love it I will never buy an Audi never
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Quote:
Originally Posted by Unkle Munkle View Post
It kind of sounds like a faint whirring - a bit like a lathe sound. It doesn't really increase with speed and doesn't stop when dipping the clutch or going into neutral.

It starts at approx 30mph but doesn't make a noise on idle or when revving the engine. The noise doesn't get any worse as the car warms up and it stops as you come to a standstill.
I have this same issue on my 2.2 JTS, although the frequence changes with the speed: the faster, the higher. Radio off, air con off, no change. Could the speakers have bad groundcontact and make the wining noise?!

Anyway, sounds totally equal with different engine and gearbox, my garage told me to search for the truth on the internet as they had no clue where to start looking
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Got the same noise on mine and my mate has the same on his - convinced its the air con. We've had our 159's for 12 months and 18 months respectively and the noise has always been there intermittently, never got worse on either car. I find turning the stereo up helps
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However I do also have the drive shaft noise - also currently choosing to ignore that!
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Quote:
Originally Posted by Unkle Munkle View Post

It kind of sounds like a faint whirring - a bit like a lathe sound. It doesn't really increase with speed and doesn't stop when dipping the clutch or going into neutral. It has recently had a gearbox oil change and nothing has changed there. It's a background noise, not really offensive but I want to be cautious.

It starts at approx 30mph but doesn't make a noise on idle or when revving the engine. The noise doesn't get any worse as the car warms up and it stops as you come to a standstill.

Also, it now makes a more audible chirruping sound at lower speeds. This is quite audible with the window down - sounds like it is nearside. Bit of an odd noise and hard to describe but also a bit of a worry.
My 2.4 makes the same whirring noise from about 20-30mph, I put it down to the turbo winding up and down as it seem to match the boost gauge on my dashboard. As the needle rises (accelerate), the whirring goes up, as the needle drops (de-accelerate), the whirring goes down to non-existent. My mother-in-laws Mini Cooper Works does the same thing.

Hope that helps
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Quote:
Originally Posted by Rolle View Post
I have this same issue on my 2.2 JTS, although the frequence changes with the speed: the faster, the higher. Radio off, air con off, no change. Could the speakers have bad groundcontact and make the wining noise?!

Anyway, sounds totally equal with different engine and gearbox, my garage told me to search for the truth on the internet as they had no clue where to start looking
I have a wheel bearing noise..but I cant figure out where except where its from more than right side.

Havnt feel on spring while spinning on wheel..if I dont find anything then, im out of clue.
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Hello All,

I think I am experiencing the same issue on my 2.0 JTDM, would be keen to know if any of you have fixed this issue and how much it costs as it is a bit annoying - rectified with turning up the stereo but when I have people in the car it is quite apparent and annoying!

Seems that it could be, driveshaft or gearbox bearings?

Many Thanks
Harry

This is what I have posted in another thread with my experiences of it...

Hello, I was about to post about this noise, as I believe I am experiencing the same noise/rubbing sound that you have described, that is an engine related noise and not caused by the movement of parts etc outside of the engine.

It is annoying to say the least, my 2.0 JTDM 159 has done 93K now, and I have demonstrated it to a mechanic that I use of which he does not know what is causing it either, other than its something to do with the engine itself and only happens once the car is moving.

It is like a gurgling vibration sound, something you would expect from a wheel bearing or something as it rotates and it resonates through the car in particular more noticeable during town driving. I really would like to fix this problem as it is annoying to say the least. It cannot be heard when the car is idling, or revved whilst in neutral.

Did you ever get any closer to finding a solution to yours?

Thanks
Harry
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Quote:
Originally Posted by Jcm5659 View Post
personally I think you need to stop worrying,I recently bought the same car then came on the forum and read loads of horror stories about this and that and really started to panic about every little noise etc !!!! I have now decided to just enjoy the car and not get to hung up on problems that may or may not be there? if it breaks deal with it then because if it is the box there's nothing you can do anyway so the outcome will be the same.... sorry for not being any help just trying to bring a more positive mind set....have a few issues with mine only noticed them after reading the forum ha ha food for thought!!!!!!!!!
quote of the year......

people don't come onto an owners forum and start posting threads because they think something is good. how many "I love my gearbox" threads do you see? none....... other than the usual I just bought this and I love it thread people only post on forums if they have issues or questions, so these kind of places can see doom and gloom.

so long as you are confident you've got transmission oil in there, you're not leaving and don't have any vibrations then don't chase your tail trying to fix something that aint broken yet.

I've owned at least 5 Alfas now - when its broken you'll know about it!

Previous Alfas:
1999 156 1.8TS Sport Pack 3
2001 166 3.0 V6 24V Super
2003 156 GTA 3.2 V6 24V
2005 156 1.9 JTDM-Jet Sport
2008 159 1.9 JTDM Lusso

Current Alfas:
1997 GTV 2.0TS Lusso
2001 147 1.6TS Lusso
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Regarding "the noise" - I had a 1.9 Lusso and it irritated the hell out of me that it had a rhythmic womp-womp-womp noise from the front offside. (Right hand side to lhd users). Very annoying on a car I had bought from new and at the time was my pride and joy (and life savings lol)

It was diagnosed as the R.H. drive shaft which has an intermediate joint on that side and was replaced under warranty. The "repair" lasted another 4000 miles before I could hear it again. Either I got the same fault or there was something else making the noise. It sounded like a warped crown wheel to me - but they dismissed that.

Another theory was that the diesel pump is mounted close to the bulkhead and sometimes hoses run on metalwork and transfer the hydraulic vibration.

I finally solved the problem to my satisfaction - I sold the car!
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Yep this is my problem too. My solution is the same - turn up the radio!
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159 / Brera Gearbox noise

Quote:
Originally Posted by simon no pieman View Post
Sounds a bit like my problem which was the gearbox bearings in the end. I had them replaced while still in the car for 600 which although it sounds alot is actually very cheap compared to taking it out...new clutch etc etc. If you need advice as to where to get it done and you are in the midlands(Coventry area) let me know. I have done 145,000 miles now so not a great surprise! (Both front wheel bearings done separately too btw)


Im Tamworth based with a noisy 5th & 6th gear. Where are your recommendations for getting it fixed fairly locally (Coventry included)
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