What's This/What's It Do?

Ingo Rautenberg i.rautenberg at waratap.com
Mon Apr 11 16:50:19 EDT 2005


I'm surprised your WGFV isn't rusted shut...or is it?  ;-)  Anyhow, double
check your Coolant temperature sender's contacts and clean them and coat
with dielectric grease as well.  Another thing to (easily) check (aside from
the usual hose clamps and TB to IC hose, is that the BPV vacuum hose isn't
leaking.  I'd remove it from both the manifold and the BPV, hold your finger
over one end and (attempt to) blow through the other.  I know, is not
related to your problem (I don't think), but a good thing to check "while
you're at it."  WMB has a silicone hose (red) that is perfect for this
potentially high temp application.


----- Original Message ----- 
From: "Kneale Brownson" <kneale at coslink.net>
To: <200q20v at audifans.com>
Sent: Monday, April 11, 2005 3:24 PM
Subject: What's This/What's It Do?

> When I had intermittent boost (1.3, 1.4  and then 1.6-1.7 and so on) a
> month ago, Ingo suggested the waste gate frequency valve electricals, so I
> attempted to take this connector
> http://www.pbase.com/kneale_brownson/image/41941930   apart for cleaning.
> Because of the close quarters, I couldn't hold the spring retainer down
> take the connector off.  But after messing with it and also taking down
> ventilated boot for the multifunction temperature sensor, I got back my
> good boost, so I left everything alone.
> Then, a week ago, just before my 3K round trip to Snowmass, I was driving
> in wet conditions and the  normal boost disappeared, so I got this
> connector off by holding down the spring with a tool instead of my fingers
> and prying it apart with another tool.  The prongs inside were bright and
> shiny, so I sprayed both ends of the connection with an electrical contact
> cleaner (CRC, I think), let it evaporate and then added a little
> grease before reinserting the connector.  Still no good boost, but the
> was on anyway.  So I only had 1.1 or 1.0 boost in the mountains (8-9K
> feet), but the car ran OK otherwise the whole trip
> Anyway, what's the connector indicated by the arrow in the pix do and what
> do I probably need to replace?  The fixture onto which the connector goes
> looks corroded at least on the outside, and some of the corrosion appears
> cracked from my efforts to get the connector off a week ago.
> _______________________________________________
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