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Date:         Tue, 27 Jul 2010 19:31:32 -0600
Reply-To:     Thomas Buese <tombuese@COMCAST.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Thomas Buese <tombuese@COMCAST.NET>
Subject:      Re: Side Air Intake Engine Cooling Question (searched)
Comments: To: Jake de Villiers <crescentbeachguitar@gmail.com>
In-Reply-To:  <AANLkTik+OsRuD1ww9CSakd53Jkrop7ww2FSgKm+n_27U@mail.gmail.com>
Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes

On Jul 27, 2010, at 6:48 PM, Jake de Villiers wrote:

> I ALWAYS look cool Tom. ;) > > Sounds like your thermostat needs to be replaced. The needle is > supposed to live on the LED when the engine is at operating > temperature.

Actually that's where it usually resides- I was picturing my coolant temp gauge today & it was lower so that's what I flashed on- unfortunately for accuracy's sake I was driving the A6 & not the vanagon, so my bad!

A short term memory is a terrible thing to lose?

YMMV,

Mr. BZ-same story different car/gauge

> > Jake > > On Tue, Jul 27, 2010 at 3:00 PM, Tom Buese <tombuese@comcast.net> > wrote: > > On Jul 27, 2010, at 3:39 PM, Jake de Villiers wrote: > > I managed to lower the temperature of my 1.9 WBX when driving in > 100+ temps > by making cardboard deflectors for the D pillar air intakes and > propping the > license plate door open. > > These steps moved the needle about an eighth of an inch lower and > helped me > relax a little during a long, hot and arduous trip. ;) > > I think the open license plate door was more of a factor in that will > extract hot air from the engine bay into the low pressure area > behind the > van. > > YMMV > > Jake > > > LOL!- I bet you & your vanagon look really COOL w/ that mod, Jake! > What is wrong w/ your cooling system? I have the same engine & > drive in those conditions all Summer w/o the coolant temp-o-meter > going above 1/3+-, unless I am going very slowly in heavy traffixc > or up a steep grade, then it might go above 1/2 until I speed up, & > then it's back to 1/3. > > YMMV, > > Mr. BZ-no mods to be cool needed > > > > > On Tue, Jul 27, 2010 at 11:44 AM, neil n <musomuso@gmail.com> wrote: > > Hi all. > > My '81 was air cooled. There's a cold air outlet on frame in engine > bay. The tub on my engine lid may be holding excessive amounts of heat > on hot days. Pic: http://tinyurl.com/23sdnyc I know nothing of air > flow, etc. stuff so.... > > Theory: install ducting on cold air outlet to direct cooler air into > tubbed portion of my engine lid. > > I bet there's lot's of air whooshing around in the engine bay at > highway speeds. Would that whooshing air interfere with the air coming > out that new short piece of duct? > > Can anyone guesstimate if this would actually help cool that area? I > can provide pics if need be. > > I will also install cardboard at air cleaner in driver side area > behind tail light. Archives suggest that the WBX uses a cardboard > piece to help intake pull in cooler air and not hotter air from engine > bay. > > Thanks! > > Neil. > > Why I'm curious about air flow: > > This pic gives rough idea of what resides in tubbed portion: > http://tinyurl.com/25859ye Coolant sensor at front of head in a > cutout at firewall. > > In hot weather, engine consistently: > > - throws coolant sensor error code: 'Intermittent short to ground'. > - turns MIL (check engine) light on at highway speeds > - hunts at idle when shut down for 10 or so minutes, then restarted. > > Changed coolant sensor, no difference. > > Theory: excessive heat in tubbed portion of lid causes coolant sensor > to get too hot. Resistor in it then zeros out allowing near or full > electrical flow. i.e. recently, on a flat section of highway, 100F > ambient, MIL stayed on at ~ 60 MPH. I propped the license plate door > open hoping to get better air flow at tubbed portion of lid. The light > then stayed off. > > A3 Bentley mentions that if MIL light comes on while driving, certain > "serious conditions" such as an overheated CAT may cause this. This > led me to the "excessive amounts of heat" theory. > > -- > Neil Nicholson '81 VanaJetta 2.0 "Jaco" > > http://tubaneil.googlepages.com/ > > > http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines > > > > > -- > Jake > > 1984 Vanagon GL 1.9 WBX 'The Grey Van' > 1986 Westy Weekender/2.5 SOHC Suby 'Dixie' > > Crescent Beach, BC > > www.thebassspa.com > www.crescentbeachguitar.com > http://subyjake.googlepages.com/mydixiedarlin%27 > > > > > -- > Jake > > 1984 Vanagon GL 1.9 WBX 'The Grey Van' > 1986 Westy Weekender/2.5 SOHC Suby 'Dixie' > > Crescent Beach, BC > > www.thebassspa.com > www.crescentbeachguitar.com > http://subyjake.googlepages.com/mydixiedarlin%27 >


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