"motor" racing sound, not engine

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#11

01-12-2013, 04:19 PM

UhOh

Been Around A Long Time Member

Join Date: May 2010

Location: Washington State, USA

Posts: 908

Quote:

Originally Posted by Bill in London

It's happened a few more times now, and I think it's Automatic Transmission-related. [DAMN!]
...
Weird. Of course, I'm a diy no-nothing, so I could be SO wrong...

OK. But, what are you doing to test these opinions? You're living in
post-Renaissance England so truth comes from evidence, not opinions.

Step 1: when noise happens next, stop immediately and lift up the bonnet,
see if the fans are turning or more generally ID the noise location.
While still noisey, close bonnet, drive, when noise goes away -
stop, open up bonnet and see if anything's changed.

#12

01-13-2013, 11:24 AM

JimBlake

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Join Date: May 2006

Location: Wisconsin

Posts: 18,398

Quote:

Originally Posted by Bill in London

PS== just to say, I'm living in London, but I'm an American; so I get as confused by the different Brit terminology for car parts as y'all do: "cam belt" for timing belt, let alone the boot and bonnet :-)

Just be careful when talking about the car's "muffler". It's called a Silencer over there.

You should check to rule out whether it's the sound of the air-conditioner cycling on & off. The radiator fans cycle along with the AC compressor. Increased road-noise makes it less noticable while you're driving faster.