Occasional Smoking

[Keith Lloyd]

Blocked or disfunctional crankcase venting system ?
Keith
'87 WR quattro

Sent from my iPhone

> On 7 Nov 2013, at 10:29, jlagnese at massed.net wrote:
> 
> Too much oil?
> ----- Original Message -----
> From: Brian Pleet <subscriptions at strategico.ca>
> To: quattro at audifans.com
> Sent: Thu, 07 Nov 2013 03:16:53 -0500 (EST)
> Subject: Occasional Smoking
> 
> My 90 90Q seems to know it's approaching 250k km by acting her age.
> 
> For a few weeks the idle went wild, she belched (white) smoke erratically,
> she'd threaten to stall (but never did) on deceleration.
> 
> Having gained my full attention, I did a compression test, followed by a
> leak down test; Head was rebuilt @ 125k, lower block is all original. I
> have a rebuild able 3B avalable for building a sleeper car.
> 
> CYL COM WET DRY LOSS%
> 
> - #1 9.6, 10.0 6.5 0%
> - #2 10.5 10.5 7.0 17%
> - #3 9.7 10.5 7.0 5%
> - #4 9.5 10.0 6.5 0%
> - #5 9.7 10.5 7.00 0%
> 
> Cleaned the ISV, replaced the O2 sensor, cleaned air filter, replaced the
> rotor and cap and put it all back together. For the past 3 days she's been
> purring...except
> 
> The plugs are covered with a black dry soot and it smells of hydrocarbons.
> On occasion, if I watch in the mirror, I can cover the car behind in white
> smoke (like James Bond) If I measured mileage it appears to be down. Oil
> consumption is a little elevated.
> 
> She's giving me hints but I can't talk to her (blink test says she's fine).
> 
> 
> Suggestions?
> 
> 
> Brian
> 90 90Q
> 95,5 URS6
> 09 TT on the way
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