[Tigers] Metallic chatter noise

[Allan Ballard]

Sounds like the water pump to me, just sayin.

It will be interesting to learn the diagnosis :)

Allan Ballard
Mk1a Tiger
Series 1 Alpine (v6)


Sent from my iPhone

> On Oct 19, 2017, at 7:34 PM, Ron Fraser via Tigers <tigers at autox.team.net> wrote:
> 
> Jim
>                 With the fan belt off you can see if there is any play in the water pump.
>  
> Spin the water pump to see if you can hear or feel an bad bearing – same with the gen / Alt that you have on your engine.
>  
> Ron Fraser
>  
> From: Tigers [mailto:tigers-bounces at autox.team.net] On Behalf Of James Lindner via Tigers
> Sent: Thursday, October 19, 2017 2:19 PM
> To: Jay Laifman <jay.laifman at gmail.com>
> Cc: James Lindner via Tigers <tigers at autox.team.net>
> Subject: Re: [Tigers] Metallic chatter noise
>  
> Roger that. Test with no fan belt tomorrow.
>  
> 
> Sent from my iPad
> 
> On Oct 19, 2017, at 12:24 PM, Jay Laifman <jay.laifman at gmail.com> wrote:
> 
> I still think you should take off the fan belt and run it.  
>  
> On Thu, Oct 19, 2017 at 8:13 AM, James Lindner via Tigers <tigers at autox.team.net> wrote:
> Thanks for all your replies.
>  
> I took another look this AM. This time I removed the fan shroud to eliminate that possibility and give me a better view.
>  
> Well with the fan shroud off...STILL CLATTERING. Inspected shroud...no signs of recurring contact. 
>  
> I got a good look at the fan with engine running and I could NOT see any contact on the rack. The space between the fan and the radiator was clear of obstructions.
>  
> The noise appears to be coming from the fan hub area. So that leads me back to the WP. Any other ideas?
>  
> Hope to get another set of ears/eyes on it this weekend.
>  
> Jim
> 
> Sent from my iPad
> 
> On Oct 18, 2017, at 4:40 PM, awtiger at cox.net wrote:
> 
> Jim:
> 
> I know this may sound stupid, but from what I'm hearing it almost sounds like there's something caught in the radiator that is rubbing on the fan.  It doesn't come across as a consistent, or constant, noise on your attachment.  
> 
> I know that I've had an issue with my fan touching my steering rack every so often, and it makes a metal-on-metal sound when it does.  Do you have any telltale marks on your fan blades or in the middle of the tube on your steering rack where it might be rubbing?
> 
> Andy Walker
> 
> On October 18, 2017 at 11:24 AM James Lindner via Tigers <tigers at autox.team.net> wrote:
> 
> Hi
> 
> Been a while since I posted, but having a problem. I hope the attached 10 sec video goes through.
> 
> Getting a metallic clatter from front of the engine.
> 
> I can not see anything making contact.
> 
> The fan, fan pulley and shroud are secure.
> 
> With a stethoscope I checked for internal clatter at the water pump, timing cover, generator and valve covers. All internals sounded to be running smoothly.
> 
> Clatter gets worse as rpms increase but as I reach cruising speed the clatter seems to go away, although exhaust might be drowning it out. If I slow down and accelerate again it gets worse again.
> 
> Thanks
> 
> Jim
> 
> Sent from my iPhone_______________________________________________
> 
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