[urq] Cruise Control

[Brandon Rogers]

Good info - thanks Rob.

What years used the one-piece cable?  I assume it was 4kq and CGT - same
part....

Brandon 
'84 ur 
 


-----Original Message-----
From: Robert A Dupree [mailto:robert.a.dupree at jpmchase.com] 
Sent: Tuesday, July 20, 2010 10:29 AM
To: Brandon Rogers; urq at audifans.com
Subject: RE: [urq] Cruise Control


Yes wavering speedometer, even a little causes the old CC-computer to
freak-out.  Fix is a new speedometer cable, and eliminate the silly
02-warning box.  Check RockAuto.com for cheap price on the cable. I also
believe (but have no proof) that the throttle-cable-cam needs a different
shape to have the old-CC-computer be compatible in terms of operating
smoothness with a modern(er) motor.  What you describe even happens on K24'd
UrQs, sometimes also the surge'y throttle which is SUPER-ANNOYING on a long
trip.

My plan - is to switch to the Audiovox aftermarket unit, if my original
continues to be goofy after the car is back on the road.  But doing the
basics again with ensuring adequate vacuum supply and reservoir (volume
increase over stock) and restricting the ID of the vac-line to essentially
slow down the control movements of the OE unit will be attempted first.
Somewhere in the old-days I even took apart the vac-switches at the pedal
cluster and cleaned/lubed them so they held perfect vac for days.

Honestly the time spent, would be better on installing the Audiovox unit,
and making the control-board work using the stock outputs from the UrQ
stalk.

Rob D.

> -----Original Message-----
> From: urq-bounces at audifans.com [mailto:urq-bounces at audifans.com] On 
> Behalf Of Brandon Rogers
> Sent: Tuesday, July 20, 2010 11:22 AM
> To: urq at audifans.com
> Subject: [urq] Cruise Control
> 
> Guys-
> While I'm thinking about getting my car ready for the Vegas GTG in 
> October - I have plenty to do - one of the things is the cruise 
> control.  It sets fine
> - but then speed drops slowly.  It's been quite a whiel sinece I tried to
> use but my recollection is that it hodl speed, then lets up and speed
drops,
> then tries again and then lets up and speed drops.  Cumulative effect the
> speed drops.  I think I've put a mighty vac on the whole sustem and it
held.
> I've swapped in a number of pumps, too.  What else would it be?  One thing
> is that my speedo wavers a very little bit - does this cause a varying
> signal to the CC system that messes it up?  How do you fix a wavering
> speedo?
> 
> Motor is a 3B but the CC system is stock WX - which I think is the 
> exact same as 3B other then the diaphragm mounting location and maybe 
> rod length.
> 
> TIA-
> 
> Brandon
> '84 ur
> 
> 
> 
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