V8 Vantage odd squeal
Discussion
Hello everyone,
Over the past few months my Vantage has developed an odd squeal when it has been running for a long time and normally when sat in traffic, but it isn't a definite that it will happen (as it normally starts after anyone who I'm trying to show it to gets out of the car). The car went into the MD and sat there for three weeks with no answers, according to them it didn't make a single noise even when they had it running for four hours. The factory cannot/will not help them if it is not a live fault, so they can't figure it out. I sent this video to them before the car went in but apparently it was no help, so I would appreciate it if anyone gave it a listen and could tell me if they've had a similar experience or an idea of what it is.
https://youtu.be/oWSXtf6mBZU
Also when the car has been going along on low throttle for any period of time, when increasing the throttle it will lurch as if all power has been cut for a fraction of a second. I believe its been mentioned before on here so does anyone know what that is?
Had the car a year today and do love it, just hoping to iron out those niggles.
Thanks,
Luke.
Over the past few months my Vantage has developed an odd squeal when it has been running for a long time and normally when sat in traffic, but it isn't a definite that it will happen (as it normally starts after anyone who I'm trying to show it to gets out of the car). The car went into the MD and sat there for three weeks with no answers, according to them it didn't make a single noise even when they had it running for four hours. The factory cannot/will not help them if it is not a live fault, so they can't figure it out. I sent this video to them before the car went in but apparently it was no help, so I would appreciate it if anyone gave it a listen and could tell me if they've had a similar experience or an idea of what it is.
https://youtu.be/oWSXtf6mBZU
Also when the car has been going along on low throttle for any period of time, when increasing the throttle it will lurch as if all power has been cut for a fraction of a second. I believe its been mentioned before on here so does anyone know what that is?
Had the car a year today and do love it, just hoping to iron out those niggles.
Thanks,
Luke.
The common squeal from the engine was the aux belt pulley and belt. It was a service item about 10 years ago and I would have thought all the early cars should have had it done. They changed the design later. The fix is the new pulley and belt, couple of hours labour and under £200 of parts. Maybe worth checking your car has had that done.
Other common squeal for me were wheel bearings going, I had 3 out of 4 replaced over 9 years/83k miles in my first Vantage. This is noticeable when the car is moving though so does not sound like your issue.
Other common squeal for me were wheel bearings going, I had 3 out of 4 replaced over 9 years/83k miles in my first Vantage. This is noticeable when the car is moving though so does not sound like your issue.
Easy way to try if it is the belt, spray a little bit of Silicon Spray on the belt and give it a try.
Helped me to figure out my belt issue. Had the squeal on low power, after spraying it went away. A few days after the silicon spray dryed out I had the squeal again. Tryed again with same result. Thereafter changed the belt and pulley and had no squeal anymore ....
Cheers
Helped me to figure out my belt issue. Had the squeal on low power, after spraying it went away. A few days after the silicon spray dryed out I had the squeal again. Tryed again with same result. Thereafter changed the belt and pulley and had no squeal anymore ....
Cheers
lukeharding said:
... I forgot to mention is that it happens while stationary and can continue for a couple of minutes after the car is switched off ...
Is this a Christmas puzzle?
It therefore cannot be anything to do with the engine.
What could possibly still be moving, a couple of minutes after the car is switched off?
Beats me.
Perhaps a hot gas somehow blowing through a tiny hole, creating a whistle effect.
Jon39 said:
Is this a Christmas puzzle?
It therefore cannot be anything to do with the engine.
What could possibly still be moving, a couple of minutes after the car is switched off?
Beats me.
Perhaps a hot gas somehow blowing through a tiny hole, creating a whistle effect.
Hi
From your comments l would guess the noise is a liquid or gas forcing past a valve, this could be coolant pushing past a partial closed thermostat but l would doubt this as there are no other cooling problems. I would go for air con liquid gas expansion both of these items have movement under pressure even following shutdown.
Regards
From your comments l would guess the noise is a liquid or gas forcing past a valve, this could be coolant pushing past a partial closed thermostat but l would doubt this as there are no other cooling problems. I would go for air con liquid gas expansion both of these items have movement under pressure even following shutdown.
Regards
Im pretty sure in some circumstances the water pump continues after engine switched off to help engine cool down, so I would try the easy option first, as per BlackV8 advice, get some silicone spray or "belt dressing" from Halfords and give the belt a good spray, see if it goes away.
Thanks everyone for the suggestions, you're all a really big help! I will try and see if I can eliminate some of those. I believe I did try the AC when it first did it but I will double check. The parking sensors have been working fine.
Any ideas for that sudden loss of power for a second?
Any ideas for that sudden loss of power for a second?
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