Help ! Screeching through exhaust MY02
12 May 2002, 08:02 PM
#1
Scooby Regular
Thread Starter
Join Date: Jan 2002
Posts: 910
Likes: 0
Received 0 Likes
on
0 Posts
Noticed this today with drivers door open. Car idling, blip throttle to 2000 rpm, lift off accelerator and at just before idle revs there is a loud squeek/screech from exhaust at the rear 
. Tried moving exhaust pipe manually to see if its a loose housing or something but can't hear anything. Only seems to do it when engine warmed through. Any ideas ?
Yorkie
. Tried moving exhaust pipe manually to see if its a loose housing or something but can't hear anything. Only seems to do it when engine warmed through. Any ideas ?Yorkie
12 May 2002, 09:09 PM
#6
Scooby Regular
Join Date: Jan 2002
Location: WYIOC. The Foxglove, Kirkburton, Huddersfield.
Posts: 5,400
Likes: 0
Received 0 Likes
on
0 Posts
Hi Yorkie - is it from the engine (amplified by the exhaust), or from the exhaust mounting itself?
Bob - trust you to plug a Trouser-like solution ;0)
Bob - trust you to plug a Trouser-like solution ;0)
12 May 2002, 09:13 PM
#7
Scooby Regular
Join Date: Nov 2001
Posts: 1,066
Likes: 0
Received 0 Likes
on
0 Posts
Hi M8,
I would imagine it could effect warrenty.
My CEL has been illuminated for a while now, I'm putting off visiting the dealer to have it checked out untill I get around to refitting the oem back box just in case they try to say its caused it. Car drives just fine with the CEL on so I'm in no rush.
Good luck with your problem
BOB
I would imagine it could effect warrenty.
My CEL has been illuminated for a while now, I'm putting off visiting the dealer to have it checked out untill I get around to refitting the oem back box just in case they try to say its caused it. Car drives just fine with the CEL on so I'm in no rush.
Good luck with your problem
BOB
Trending Topics
12 May 2002, 09:24 PM
#9
Scooby Regular
Join Date: Jan 2002
Location: WYIOC. The Foxglove, Kirkburton, Huddersfield.
Posts: 5,400
Likes: 0
Received 0 Likes
on
0 Posts
My guess is that it's either a slight adjustment needed on the exhaust hangers, or could possibly be the noise of the wastegate or bypass??
12 May 2002, 09:32 PM
#10
Scooby Regular
Thread Starter
Join Date: Jan 2002
Posts: 910
Likes: 0
Received 0 Likes
on
0 Posts
I wondered if it was the wastegate Harry. To be honest I tried the car again tonight after it had been stood and it had stopped doing it, so it seems to be only when engine is hot. Performance isn't affected in any way. It just sounded like a starling had nested in the back box and was protesting 
Yorkie
Yorkie
12 May 2002, 09:43 PM
#11
Scooby Regular
Join Date: Jan 2002
Location: WYIOC. The Foxglove, Kirkburton, Huddersfield.
Posts: 5,400
Likes: 0
Received 0 Likes
on
0 Posts
When mine was brand new (driving home from the ferry!), I heard a 'fluttering' noise at about 2,500 rpm in fifth (yup, taking it easy...). I took this to be the wastegate, and after a few miles it gave up (presumably coated the exhaust a bit).
I'd be inclined to monitor it Mate and see what happens in a few hundred miles (not that I'd expect it to blow up or anything!).
As the Ford dealer once told me when the Ka that we used to have developed a rattling from every suspension strut - It's a characteristic Sir, not a fault. Didn't believe him of course.... But, Scoobys are made of sterner stuff!
I'd be inclined to monitor it Mate and see what happens in a few hundred miles (not that I'd expect it to blow up or anything!).
As the Ford dealer once told me when the Ka that we used to have developed a rattling from every suspension strut - It's a characteristic Sir, not a fault. Didn't believe him of course.... But, Scoobys are made of sterner stuff!
12 May 2002, 09:51 PM
#12
Scooby Regular
Join Date: Nov 2001
Posts: 1,066
Likes: 0
Received 0 Likes
on
0 Posts
What sort of mileage?
Have U tried giving it a good thrashing? Might not work but its fun to do
Try & get someone to blip the throttle for U while U go round the car to see if U can locate it. It's possible that the sound is travelling down the exhaust from the engine.
Other than that try turning up the stereo...but not too much or you'll realise how crap the oem stereo is!
Have U tried giving it a good thrashing? Might not work but its fun to do
Try & get someone to blip the throttle for U while U go round the car to see if U can locate it. It's possible that the sound is travelling down the exhaust from the engine.
Other than that try turning up the stereo...but not too much or you'll realise how crap the oem stereo is!
12 May 2002, 10:01 PM
#14
Scooby Regular
Thread Starter
Join Date: Jan 2002
Posts: 910
Likes: 0
Received 0 Likes
on
0 Posts
Bob, I had just returned from a good "thrashing" over the Derbyshire moors when I noticed this sound. It may have been there before, just not noticed it. Got my Brother to blip throttle while I had a listen. Sound appeared to be from back box area. Difficult to say whether it was travelling down the pipe.
Yes, I have already noticed that the OEM stereo is cr@p, but I expected that after what I had read in Autocar in October 2000
Good job the engine has a terrific soundtrack
Yorkie
Yes, I have already noticed that the OEM stereo is cr@p, but I expected that after what I had read in Autocar in October 2000
Good job the engine has a terrific soundtrack
Yorkie
12 May 2002, 10:14 PM
#16
Scooby Regular
Join Date: Nov 2001
Posts: 1,066
Likes: 0
Received 0 Likes
on
0 Posts
I now prefer to listen to my TSL back box than the stereo
1st)Try cupping your hands over the tailpipes and see if it muffles / alters the noise at all (don't burn your hands!) This will tell you if the noise is coming thro' the exhaust.
2nd)Take a long(ish) screwdriver and put the blade end against the bb, then put the handle end tight against your ear.If U can hear it through the screwdriver then the noise is coming along the metal work of the exhaust. It could be one of the thin metal shields/covers on the exhaust resonating.
3rd) Check to see if you have any leaks on the exhaust. Could the noise be like a whistling noise as exhaust gases escape?
4th) Go down the pub(leaving car at home) and discuss it with your mates. After a few pints U won't be bothered about it anymore!
BOB...Attempting to offer some sort of help!
1st)Try cupping your hands over the tailpipes and see if it muffles / alters the noise at all (don't burn your hands!) This will tell you if the noise is coming thro' the exhaust.
2nd)Take a long(ish) screwdriver and put the blade end against the bb, then put the handle end tight against your ear.If U can hear it through the screwdriver then the noise is coming along the metal work of the exhaust. It could be one of the thin metal shields/covers on the exhaust resonating.
3rd) Check to see if you have any leaks on the exhaust. Could the noise be like a whistling noise as exhaust gases escape?
4th) Go down the pub(leaving car at home) and discuss it with your mates. After a few pints U won't be bothered about it anymore!
BOB...Attempting to offer some sort of help!
13 May 2002, 08:12 PM
#19
Scooby Regular
Join Date: Mar 2002
Posts: 37
Likes: 0
Received 0 Likes
on
0 Posts
I suggest you try shining a torch up the pipe(s) & look for any obstructions. There used to be a device you could purchase from a joke shop which you could stick up an exhaust. This would make it whistle/screech! It drove my brother mad, mind you, he had the last laugh since it was a bugger to remove. Here's a pic..
[Edited by scoobyskid - 5/13/2002 9:20:59 PM]
[Edited by scoobyskid - 5/13/2002 9:20:59 PM]
13 May 2002, 09:03 PM
#20
Get the exhaust hangers checked, also another mechanical fault possible on Scooby 'classic' exhaust would be the spring loaded ball joint. possible springs moving in cups or a problem with the sealing ring. (not sure if it is the same method of decoupling on bug-eye or not 
)
Cheers
Mick
)Cheers
Mick
14 May 2002, 08:11 PM
#21
Scooby Regular
Thread Starter
Join Date: Jan 2002
Posts: 910
Likes: 0
Received 0 Likes
on
0 Posts
Thanks, it doesn't whistle like a kettle and only does is for the last 250 - 500 rpm before idle speed when blipping the throttle when at a standstill 
This one has me totally baffled. Surely if something was loose/broke/leaking it would be their at higher revs ?
Yorkie
This one has me totally baffled. Surely if something was loose/broke/leaking it would be their at higher revs ?
Yorkie
14 May 2002, 08:26 PM
#22
Nope! Depends on resonant frequency of loose or broken component!
BUT with a brand new car if you can demonstrate it easily it should not be too much to ask of a dealer to sort it out. The main problem ones are where the fault is not consistent.
Hope it gets removed
Mick
Depends on resonant frequency of loose or broken component! BUT with a brand new car if you can demonstrate it easily it should not be too much to ask of a dealer to sort it out. The main problem ones are where the fault is not consistent.
Hope it gets removed
Mick
Thread
Thread Starter
Forum
Replies
Last Post
fatboy_coach
General Technical
15
18 June 2016 03:48 PM
