Date: Wed, 6 Feb 2008 16:54:58 -0500
Reply-To: dvdclarksn@AOL.COM
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: David Clarkson <dvdclarksn@AOL.COM>
Subject: cruise control troubleshooting
In-Reply-To: <20080206200504.7F74D3288C1@mail.umassd.edu>
Content-Type: text/plain; charset="us-ascii"
If the vaccum lines check out as well as the bellows then check your clutch and brake switches for proper functioning and adjustment. I cleaned mine up when my cruise wouldn't hold speed and this fixed the problem. Good luck.
David Clarkson
90 Westy (246k)
-----Original Message-----
From: Richard Golen <rgolen@UMASSD.EDU>
To: vanagon@GERRY.VANAGON.COM
Sent: Wed, 6 Feb 2008 3:05 pm
Subject: Re: cruise control troubleshooting
Gregory,?
?
Besides the vacuum lines in the engine compartment, there is a long?
rubber line that goes to the driver's compartment to switches on both?
the clutch and brake pedals. The switches on the pedals are dual?
function switches, the shut off the cruise control by cutting off?
both the vacuum and power to the system. You can access the switches?
by removing the cover piece on the steering wheel shaft.?
?
A quick way of testing the front switches is to find the "T" piece on?
the vacuum line in the engine compartment next to the vacuum pump and?
crimp off that line. Take your van for a ride and see if the cruise?
control works. If it does, then the vacuum leak is more than likely?
at the pedals. Sometimes, the rubber vacuum hose gets brittle where?
they attach to the pedal switches, and it can be a simple matter of?
trimming the ends of the hose.?
?
If it is not a vacuum problem, then it might be a simple matter of?
adjusting the switches at the pedals.?
?
Ric?
?
At 01:37 PM 2/6/2008, Gregory Smith wrote:?
>Hi Gang,?
>?
>My '88 has a factory installed cruise control system which is having?
>difficulty maintaining speed. It works at first and then it's ability?
>falls off quickly, in less than a minute, as if it is losing vacuum. I?
>have check the vacuum lines that I can see connecting to the system,?
>but I'm not 100% sure I know what all in included.?
>?
>Can anyone point me to an online diagram that covers the system? In?
>particular in the rear. For instance I don't know what the device in?
>the right rear corner (just to the left of the taillight) with vacuum?
>lines and a wire harness going to it is. It has a vacuum line going to?
>it (connects to the throttle servo), but there is an unused nipple just?
>below the one that has the line on it, perhaps it needs to connect to?
>something??
>?
>ANY tips are appreciated.?
>?
>Ciao,?
>Gregory Smith?
>Olympia, WA?
>'87 Bertone X1/9 Corsa?
>'88 VW Vanagon?
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