[s-cars] Throttle adjustment opinion? (Photo Link included)

[James Murray (LMC)]

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Not very "techy"... but very wise, I like the common sense approach.

Thanks !

/J.

> -----Original Message-----
> From:	Mark Strangways [SMTP:strangconst at rogers.com]
> Sent:	January 21, 2003 10:20 AM
> To:	James Murray (LMC); 'Cody Payne'; ray at s-cars.org; Tom Mullane; wmahoney at disk.com; 'Paul Krasusky'
> Cc:	s-car-list at audifans.com
> Subject:	Re: [s-cars] Throttle adjustment opinion? (Photo Link included)
>
> Perhaps the final test should be to remove the intake hose at the TB, and
> SEE if the throttle plate is in the appropriate position. This would be as
> little plate as possible interfering with the air stream.
> I have seen in other makes, a tend to go too far over center by a bit.
> Supposedly this would allow some slack in the cable while having the foot
> throttle stop at the floorboard.
>
> Not very techy, but I'm sure this would be the old school type of check. ;-)
> Not that I'm old school, just lazy :)
>
> regards,
>
> Mark S
> ----- Original Message -----
> From: "James Murray (LMC)" <James.Murray at ericsson.ca>
> To: "'Cody Payne'" <Cody.Payne at bconnected.com>; <ray at s-cars.org>; "Tom
> Mullane" <tmullane at snet.net>; <wmahoney at disk.com>; "'Paul Krasusky'"
> <KrasuskyP at FirstInterBank.com>
> Cc: <s-car-list at audifans.com>
> Sent: Tuesday, January 21, 2003 9:44 AM
> Subject: [s-cars] Throttle adjustment opinion? (Photo Link included)
>
>
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> Back in mid-December Paul K. sparked a discussion on Throttle Link
> Adjusment, some secret "S-Car trick" that Ray T. performed. I had heard of
> such a trick but never understood it, so I wanted to try it myself thinking
> my throttle probably needed adjustment. I followed the Bentley procedure
> first and recorded it in the link below. This seems the right way to me but
> I after I finished I still had lots of slack (same as before) but yet the
> pedal hit the floor at WOT? This seems correct to me as it doesn't stress
> the linkage when pedal is to the floor, but am I missing something on this
> elusive "S-car" trick? Opinions welcome...
>
> A few quick photo's makes it easier to explain:
>
> http://www3.sympatico.ca/wadleigh/Throttle/Throttle_Adjustment.htm
>
>
> Cheers, /Jamu.
>
> Ray's "S-car Trick" and Tom's advice below:
>
> -----Original Message-----
> From: Ray Tomlinson [SMTP:ray at s-cars.org]
> Sent: December 17, 2002 2:01 PM
> To: 'Tom Mullane'; s-car-list at audifans.com
> Subject: RE: [s-cars] RE: throttle link adjustment
>
> For those of us running without Audi's over-engineered "comfort" gas pedal,
> it is easy to notice if you have overtightened the throttle cable, as Tom
> suggested.
>
> It is easier, however, to have someone floor the throttle, while you rock
> the throttle linkage to see if there is still slack to be taken up by the
> cable adjustment.  Then you will know how much you need to take up, and then
> go from there.
>
> DISCLAIMER:  The aforementioned assumes the vehicle is not running, i.e.,
> "off".  To be sure,  remove all spark plugs, all gasoline, ignition
> solenoid, ignition, fuel pump, fuel pump relay, BOTH PSO's, and battery.
> The aforementioned assumes further that you generally drive a Honda Accord
> or Ford Tore-ass, and remain unsure as to whether your car is running or
> not.
>
>
>
> -----Original Message-----
> From: s-car-list-admin at audifans.com
> [mailto:s-car-list-admin at audifans.com]On Behalf Of Tom Mullane
> Sent: Tuesday, December 17, 2002 12:43 PM
> To: s-car-list at audifans.com
> Subject: [s-cars] RE: throttle link adjustment
>
>
> Be careful doing this!  Make sure you do not over tighten!
>
> When the pedal is pushed to the floor, the throttle should be wide open.
> The adjustment is at the throttle body and is not difficult to figure out.
> Trial and error is a good method.  Be careful; if you over tighten, you run>
> the risk of breaking the cable or the linkage.
> (BTDT on a few VW's)
>
> Tom Mullane
> Hartford, CT
> 91 200Q
> 91 CQ
> 99 A6Q
> Various other crap...
>
> -----Original Message-----
> From: Ray Tomlinson [SMTP:ray at s-cars.org]
> Sent: December 17, 2002 1:36 PM
> To: 'Bill Mahoney'; s-car-list at audifans.com
> Subject: RE: [s-cars] link adjust was: wastegate screw
>
> Bill,
>
> Before adjusting the throttle cable, check to make sure your throttle
> position sensor is properly aligned.  When you just touch the throttle
> linkage open, you should hear a click.  This, of course, tests only that the
> switch opens and closes "physically", as opposed to whether the switch
> properly bumps up the fuel enrichment.
>
> Next, look at the throttle cable.  See where the cable mounts atop the
> throttle body?  See the little metal clip that slips over the grooved
> sleeve?  BEFORE removing the clip, pull the cable away/straight back.  I bet
> 100% of the cars on the road (that have not already adjusted their cables)
> need adjustment.  How much can you pull the cable back before the throttle
> linkage on the TB begins to swing the butterfly's open?  1/2" or so?  Pull
> the clip, then reinsert the clip right before the point where the TB linkage
> begins to actuate the Throttle Position sensor.  If the sensor is properly
> aligned, then you will notice that the TP sensor is not triggered until the
> linkage moves ever-so-slightly.
>
> If your car is like mine, Paul's, and all the UrS's with about 100k on the
> clock, you will also note that this may be the last time your throttle cable
> can be adjusted - simply stretched to its limits.
>
> Ray
>
>
>
>
>
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