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 Posted: Wed May 30, 2012 1:11 am |
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Joined: Apr 13, 2011
Posts: 37
Trade Rating: +1
Location: Lancs
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My wife's been telling me for ages that she gets a really weird rumble from her car (2001 1.1 LX), but only really infrequently and always at a standstill
I took her car out on a few errands yesterday and started it up after driving for 20 minutes or so, but left it idling while I replied to a few e-mails etc
All of a sudden, I heard this rumble....really difficult to describe but a real low down rumble, felt throughout the car....
Switched off the ignition and it still continued for 5 seconds or so before stopping
During the time it happened, there was no alteration to the idling speed - I was sat with feet off the pedals in neutral - didn't try blipping the throttle, but my gut says it would have been fine
Left it a few moments, started up fine, no issues whilst driving at all and hasn't done it since
As she tells me it only seems to happen whilst waiting at traffic lights or similar, I'm wondering if it's the electric fan cutting in, but that maybe the mounts are loose or that it's catching on something and causing the rumble?? - sound feasible?
I'll give it a visual inspection tomorrow to see if loose, but is there an easy way to get the fan to kick in? - shorting a fuse, and if so, which one?
Not in possession of a Haynes, but as I've just bought a 2.0HDi, then it's probably going to be a good investment...........  
Thanks
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Posted: Wed May 30, 2012 2:07 am |
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Joined: Aug 01, 2011
Posts: 390
Trade Rating: 0
Location: Bath UK
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As she tells me it only seems to happen whilst waiting at traffic lights or similar, I'm wondering if it's the electric fan cutting in, but that maybe the mounts are loose or that it's catching on something and causing the rumble?? - sound feasible?
Yes, extremely likely to be the rad fan
is there an easy way to get the fan to kick in? - shorting a fuse
Ha! Don't go around shorting fuses out.
If you have aircon then disconnecting the aircon coolant temp sensor ( brown connector in the thermostat housing) then your rad fan should run at max. Disconnecting the green ETS sensor should make it run at low speed
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Posted: Wed May 30, 2012 2:43 am |
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Joined: Mar 04, 2010
Posts: 84
Trade Rating: 0
Location: Leicester
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Could be as simple as a fin missing on the fan.
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| I\'m Steve got a 2003 verve. | |
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Posted: Wed May 30, 2012 3:16 am |
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Joined: Apr 13, 2011
Posts: 37
Trade Rating: +1
Location: Lancs
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| Deckchair5 wrote: |
As she tells me it only seems to happen whilst waiting at traffic lights or similar, I'm wondering if it's the electric fan cutting in, but that maybe the mounts are loose or that it's catching on something and causing the rumble?? - sound feasible?
Yes, extremely likely to be the rad fan
is there an easy way to get the fan to kick in? - shorting a fuse
Ha! Don't go around shorting fuses out.
If you have aircon then disconnecting the aircon coolant temp sensor ( brown connector in the thermostat housing) then your rad fan should run at max. Disconnecting the green ETS sensor should make it run at low speed |
No aircon on this one - will check for obvious issues
Thanks
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Posted: Wed May 30, 2012 3:32 am |
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Joined: Apr 13, 2011
Posts: 37
Trade Rating: +1
Location: Lancs
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And I probably made it sound much worse than I was intending when I said 'short a fuse' 
Just meant 'can I get the electric fan to kick in on demand to test it'
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