Identify this noise?
Discussion
My run around has starting making a noise, so now it sounds like a tractor/diesel engine even though it's petrol.
Sounds to me like it coming from the timing belt but I had that and the water pump changed about 2 months ago.
Any ideas?
http://tinypic.com/r/2nta815/8
Sound^
Sounds to me like it coming from the timing belt but I had that and the water pump changed about 2 months ago.
Any ideas?
http://tinypic.com/r/2nta815/8
Sound^
ManFromDelmonte said:
Is it low on oil?
Looks like this was the problem, I've topped it up and the noise has gone. I'm usually pretty rigorous with checking oil, water etc but have been extremely busy and neglected the run around.Thanks to those of you that replied helpfully.Couple of question though.
Would it have caused damaged having not much oil?
And why didn't the oil light come on?
scarble said:
I expect it's related to the cowboy belt change you had done recently, the one that caused a snapped alternator belt.
The change could have been better or it could have been the fact the belt was old and worn. But it wasn't a backstreet garage. 
...
When the light comes on, there is little or no pressure in the main oil gallery, hence no oil going to the moving parts of the engine. At motorway speeds, this could mean about 10-20 seconds before a large bang happens. 5 seconds running at speed will irreparably damage stuff like main- and big-end bearings.
peter hh said:
And why didn't the oil light come on?...
In the vast majority of cars, the oil light is not a level gauge, it is a warning of imminent disaster as the pressure has dropped below a critical level and the engine is about to lunch itself.When the light comes on, there is little or no pressure in the main oil gallery, hence no oil going to the moving parts of the engine. At motorway speeds, this could mean about 10-20 seconds before a large bang happens. 5 seconds running at speed will irreparably damage stuff like main- and big-end bearings.
littleredrooster said:
...
When the light comes on, there is little or no pressure in the main oil gallery, hence no oil going to the moving parts of the engine. At motorway speeds, this could mean about 10-20 seconds before a large bang happens. 5 seconds running at speed will irreparably damage stuff like main- and big-end bearings.
Never knew that. Thanks for the info fellow. peter hh said:
And why didn't the oil light come on?...
In the vast majority of cars, the oil light is not a level gauge, it is a warning of imminent disaster as the pressure has dropped below a critical level and the engine is about to lunch itself.When the light comes on, there is little or no pressure in the main oil gallery, hence no oil going to the moving parts of the engine. At motorway speeds, this could mean about 10-20 seconds before a large bang happens. 5 seconds running at speed will irreparably damage stuff like main- and big-end bearings.
Also known as the "idiot" light 
You just need to figure out where the oil went now.
But I think bad garages outnumber good garages 10/1 and you don't know until you've tried them
You just need to figure out where the oil went now.
peter hh said:
The change could have been better or it could have been the fact the belt was old and worn. But it wasn't a backstreet garage.
So was it a well known upstanding chain garage or one of those trust worth main dealers? A good garage would have very strongly advised replacing it at the same time, a half decent garage might at least have noticed if it was worn.But I think bad garages outnumber good garages 10/1 and you don't know until you've tried them
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