Re: Dynamat (& ABS Units)

[Mark Denovich <mark@domain.elided>]

Michael Robertson wrote:
> What's the connection between deadening vibration, insulation and your 
> ABS unit? My ABS light has been coming on and I am investigating solutions.
Sorry for the delay...

Last summer I installed CSC headers in my Verde.  They work great, but 
give off tons of heat under the hood.  After a while my ABS pump would 
get hot enough that it would take longer and longer to re-pressurize the 
reservoir... eventually it would start running constantly.

The ABS pump was rather new, and the reservoir was very new.   Both 
worked fine before I installed the headers, even on the hotest days, so 
I had a good idea of what the problem was.

To insulate the pump and reservoir, I used what I had on hand... and 
that was a roll of Frost King Duct Insulation... the stuff I was using 
for sound deadening.   I wrapped a few layers around both items, and 
secured the insulation with a few zip ties.

The added insulation cured the ABS problems completely.  Although I 
still plan to have the headers Jet-Hot coated this spring to help keep 
the engine bay temp down.   I'm hoping it will help the AC performance 
too, as it suffered when I installed the headers.

	--Mark
	The Alfa Wiki: http://alfa.denovich.org
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