Alfa Romeo Forum banner

1 - 20 of 26 Posts

·
Premium Member
Joined
·
3,476 Posts
Discussion Starter #1
Ok, Bella has developed a strange noise, that can only be described as similar to the old Chitty Chitty Bang Bang engine noise! - Essentially it is a ppppp-psshhh--shhhh type sound every second or so, that does not change frequency with the revs i.e. if I increase the RPM it stays constant. - Sounds quite rythmic!

Here is a link to an audio recording of it rather than trying to explain it!

Any ideas?
 

·
Registered
Joined
·
975 Posts
Ok, Bella has developed a strange noise, that can only be described as similar to the old Chitty Chitty Bang Bang engine noise! - Essentially it is a ppppp-psshhh--shhhh type sound every second or so, that does not change frequency with the revs i.e. if I increase the RPM it stays constant. - Sounds quite rythmic!

Here is a link to an audio recording of it rather than trying to explain it!

Any ideas?
I don't know why it does it, but mine does the same!
 

·
Premium Member
Joined
·
3,476 Posts
Discussion Starter #3
It never used to make it, and I do driver her hard! So assumed it might be something on its way out, given she has done 65k or so now!

It's also had the DPF and EGR + map from AHM but don't know if that has any bearing on it either.
 

·
Registered
Joined
·
26 Posts
I'm just listening to the frequency of the noise and it sounds about right for the rate at which the cam belt goes round? Is it possibly linked to that? It can best be described as something rubbing or escaping air. Where on the engine is it coming from?
 

·
Premium Member
Joined
·
3,476 Posts
Discussion Starter #6
Its hard to tell the position, but I get best audio from the drivers side wheel arch! The frequency does not change with the RPM, which I assume would if it was cam belt related. I am thinking an ancillary device that is at a constant RPM regardless of the engine RPM maybe?
 

·
Premium Member
Joined
·
3,476 Posts
Discussion Starter #7
Bit of an update for those interested.

This was 100% related to the cambelt / water pump as I just had it all changed by AHM and it no longer makes this noise.

The car was at about 65/66K when this started and I had the belt done at 69K. I know I was risking it a bit but hadn't realised it hadn't been done already as I bought her at 62K from a known Alfa specialist, so assumed they would have done it.
 

·
Registered
Joined
·
1,920 Posts
Bit of an update for those interested.

This was 100% related to the cambelt / water pump as I just had it all changed by AHM and it no longer makes this noise.

The car was at about 65/66K when this started and I had the belt done at 69K. I know I was risking it a bit but hadn't realised it hadn't been done already as I bought her at 62K from a known Alfa specialist, so assumed they would have done it.
I thought the cambelt is due at 90k or 5 years on the 2.4's
 

·
Premium Member
Joined
·
3,476 Posts
Discussion Starter #9
nope, 60K as a subsequent service schedule change from Alfa and in the words of the legend that is Ady at AHM "I have never seen one get far past 70K"
 

·
Premium Member
Joined
·
3,476 Posts
Discussion Starter #11
Check in the forums for more info but its recognised that with the 1.9 or 2.4 diesels you need to change the belt at 60 not 90.

Essentially its not the belt that fails but the water pump that's attached to it. and that is known to fail after 60K all the time. When it fails it jams the belt and snaps it and then your done. many ££££'s needed to get you back up and running.

That's why I took it to AHM who change the belt, water pump, tensioners, and pulleys etc so its all new and great. Any specialist will give you the same advice so ring around if your worried.
 

·
Registered
Joined
·
422 Posts
nope, 60K as a subsequent service schedule change from Alfa and in the words of the legend that is Ady at AHM "I have never seen one get far past 70K"
And I was told by another reputable specialist that the belts are more than capable of 90k.... they aren't like the old T-spark engines!
 

·
Premium Member
Joined
·
3,476 Posts
Discussion Starter #14
Like I said Adam, its not the belt that's the issue on the JTDm engines, its the water pump that causes the belt to snap.

All I know is the noise has gone away, my engine is a lot quieter, smoother and generally runs much better :)
 
L

·
Guest
Joined
·
0 Posts
Today I heard a noise on start up which I think sounds the same but I can't open your recording to confirm, will try from the work pc in the morning, so that'll be a 54 mile gentle drive.
 

·
Premium Member
Joined
·
3,476 Posts
Discussion Starter #18
For some reason the file was missing off my web server so I restored it from a backup. It will work now when you click on it.

In fairness to the issue, I ran the car for several more K's before getting the belt done, and I didn't "spare the horses" so to speak, so I don't think its a sign of imminent failure, and more a sign that its time to get it sorted.
 
L

·
Guest
Joined
·
0 Posts
Just checked the service book, Lloyd Motors in Carlisle Cumbria completed the service at 83k, comment in the book shows T/Belt changed as well but as I have no print out of the service it says nothing about a water pump.
Mine does sound the same but does change speed when reving and you can't hear it at all once the cars warm.
 

·
Registered
Joined
·
3,138 Posts
My 1.9 had just the timing belt replaced as part of a used car service about 2 years before I bought it. when I bought it on 72k I did the belt, tensioners and pump and I'm glad I did as both the tensioner and pump bearings felt very rough.
 
1 - 20 of 26 Posts
Top