[Es2] No radiator fan= wtf?

[Matt twentyV]

When I found my bleed screw to be essentially a blob
like mass of corrosion, I just popped that heater hose
off the firewall to complete the bleeding.  No need to
completely remove it, just crack it off a bit to
"burp" it.
-Matt

--- "Miller, Chris" <chris.miller at infofoundry.com>
wrote:

> Keep in mind that the temperature sender for the
> dash gauge is on the
> coolant manifold on the head, while the thermoswitch
> that activates the
> radiator cooling fan is on the radiator.  If you've
> got air blocking a
> passage and the radiator isn't getting hot, then the
> fan isn't going to
> go on regardless of the dash gauge reading.
> 
> The coupe originally had an air bleed screw near the
> firewall on the
> coolant line to the heater core.  Unless that line
> is new, likely the
> screw has corroded and won't allow you to bleed the
> system of air
> without damaging the hose and requiring replacement.
>  Since the bleed
> screw is there, likely that is the cooling system
> high point.
> 
> Another option is to drive the car to a steep hill,
> and get the nose up
> high.  A jack works too.  Real high. Then bleed the
> system with the new
> high point (top radiator hose, or lift the overflow
> bottle up high).
> Chris 
> 
> -----Original Message-----
> From: es2-bounces at audifans.com
> [mailto:es2-bounces at audifans.com] On
> Behalf Of livinotte at cox.net
> Sent: Friday, October 15, 2004 3:23 PM
> To: Es2 at audifans.com
> Subject: Re: Re: [Es2] No radiator fan= wtf?
> 
> Hi ben
> 
> There is one wire that connects to the afterun relay
> via the engine
> compartment to the driver side harness. 
> 
>
http://www.urs4.com/logbook/RS2CQ/wiring/103_0331m.JPG
> 
> It's on that black connector.   Basically when the
> after run system
> turns on the relay in the engine harness J155. If I
> remember right.
> Sends a signal to the after run relay which triggers
> the fan.  The
> interesting this is that on the 7a cars it's
> triggered via a ground
> line.  On the 20vT it's triggered via a power feed. 
> I didn't know this
> at first and I have a funny feeling I killed the two
> relays I have for
> the afterun system.   
> 
> Thats not the problem thought.  Honest I am not
> worried about the after
> run system. With the car in the garage and idling
> for a while the fan
> should go on at 90 degree celcius.  Basically the
> thermostat opens at 87
> degrees and the fan turns on at 90 degrees.  Either
> the thermostat is
> not working properly or the fan setup is not working
> properly however I
> tested the fan setup by grounding positions three
> and 1 and 2 and 1 and
> the fan turns on. I also removed the sensor and
> heated it up and it also
> worked.
> 
> Either there is still air in my system or my
> thermostat shit it self on
> me.   I am going to replace the thermostat when I
> install the new fan.
> Then take it from there.  
> 
> Off topic.
> 
> Are any of you guys familar with how a clutch setup
> works on a
> boxster(mid engine) or 911(rear engine)? Basically I
> am wondering how it
> engages when you push the pedal down.
> 
> Thanks
> Josh
> 
> 
> 
> > 
> > From: Ben Klumper <bklumper at mdbworld.com>
> > Date: 2004/10/15 Fri AM 10:56:59 EDT
> > To: livinotte at cox.net,  Es2 at audifans.com
> > Subject: Re: Re: [Es2] No radiator fan= wtf?
> > 
> > Hey Josh,
> > 
> > Do you have your notes on how you wired the 3b
> cooling sensors (turbo 
> > after run, mfts, etc) into the coupe? There might
> be something that 
> > was overlooked.
> > 
> > Ben
> > 
> > ----- Original Message -----
> > From: <livinotte at cox.net>
> > To: <Es2 at audifans.com>
> > Sent: Thursday, October 14, 2004 9:56 PM
> > Subject: Re: Re: [Es2] No radiator fan= wtf?
> > 
> > 
> > > Hi everyone
> > >
> > > I bleed the system again.  I am finally getting
> heat out of the 
> > > heater
> > core.  Thats the good news.  I didn't run it for
> long enough to be 
> > completely satified that everything is in check
> but it did hold it's 
> > temp on the coolant gauge and the turbo did not
> smoke. I am catching a
> 
> > cold and I could handle the fever and being in the
> garage. So I 
> > figured I leave it at that and hopefully tomorrow
> I will feel better 
> > enough to spend more time with the coupe. Once
> again the fan didn't
> turn on at 90 degrees celcius.
> > Which has me wondering about stuff. Tomorrow
> should be the first time 
> > I use vagscope if I finally can get the router to
> work properly with 
> > my sister's labtop.  I will attempt to save the
> log and try to post
> it.
> > >
> > >
> > > If you guys read up on S2 forums alot you will
> notice they mention 
> > > Castrol
> > Rs 10w 60 all the time.  I couldn't find it in the
> states and I now 
> > found it. It's now called Tws motorsport.  You can
> get it from the
> > > Bmw stealerships:
> > >
> > > Castrol TWS Motorsport 83 12 0 029 683 1-litre
> canister Castrol TWS 
> > > Motorsport 83 12 0 029 684 60-litre canister
> > >
> > > I am currently using mobil 15w60 and it's a heck
> of alot better than
> 
> > > any
> > other oil I have used so far. I am hoping the
> Castrol is even better.
> > >
> > > Cheers
> > > Josh
> > >
> > > P.S. the place finally shipped out my battery
> box.
> > >
> > >
> > > >
> > > > From: Peter Schulz <pcschulz at comcast.net>
> > > > Date: 2004/10/13 Wed AM 10:41:57 EDT
> > > > To: <livinotte at cox.net>
> > > > Subject: Re: [Es2] No radiator fan= wtf?
> > > >
> > > > Josh:
> > > >
> > > > Follow what Mike recommended and wiggle the
> fan harness to ensure 
> > > > that
> > you
> > > > dont have an intermittent connection at the
> fan.
> > > >
> > > > I did the write up on 20v.org for the fix...
> > > > and PLEASE put a fuse on the fan ground lead
> ala the 200 q20v
> > > >
> > > > -Peter
> > > >
> > > >
> > > >
> > > > At 01:50 AM 10/13/2004, you wrote:
> > > > >Hey guys.
> > > > >
> > > > >I am having problems with getting the fan to
> turn on.  I 
> > > > >diagnosed it
> 
=== message truncated ===



		
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