I put an unused oring under the knob and that seemed to keep the vent from closing

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> On Jun 8, 2015, at 3:59 PM, Edward Maglott <emaglott3@GMAIL.COM> wrote:
> 
> I used to drive with it open a few inches on my '86 Westy.  I put a little
> piece of cardboard in the opening and tightened the skylight down on it and
> that usually prevented it from rattling.  My skylight hardware needs
> redoing so right now it's not very easy to open it. So I haven't been doing
> this lately.  Air does come in it rather than going out of it as others
> have mentioned.
> 
>> On Mon, Jun 8, 2015 at 2:44 PM, Dan N <dn92610@gmail.com> wrote:
>> 
>> I miss my '85 poptop weekender... but I remember driving it with the
>> skylight open...
>> 
>> all the hardware on it must be tight otherwise it will rattle...
>> 
>>> On Mon, Jun 8, 2015 at 11:36 AM, James <jk_eaton@hotmail.com> wrote:
>>> 
>>> We have, but even with new hardware from The Skylight Guy our skylight's
>>> hardware isn't 'tight and strong' - at highway speeds, over an hour or
>> so,
>>> the skylight will slowly close on its own! - or, rather, close down to
>>> about 1/4 inch from closed, at which point it rattles and bangs
>>> alarmingly.  As a result, we only do this if we have back-seat passengers
>>> who have to have the air.
>>> 
>>> On an alternate track, though, leaving the skylight open when the van is
>>> parked is an excellent way to keep the interior cool on a sunny day -
>>> enough air enters through the front vents and exits the skylight to keep
>>> the interior temperature under control.
>>> 
>>> James
>>> Ottawa, ON
>>> 
>>>> Date: Sun, 7 Jun 2015 20:18:52 -0700
>>>> From: dn92610@GMAIL.COM
>>>> Subject: Re: Can you drive with skylight open?
>>>> To: vanagon@GERRY.VANAGON.COM
>>>> 
>>>> yes you can if the hardware of the skylight is tight and strong...
>>>> 
>>>>> On Sun, Jun 7, 2015 at 8:14 PM, PB <pbrattan@gmail.com> wrote:
>>>>> 
>>>>> Does anyone drive with the skylight open? (or is that a surefire way
>> to
>>>>> ruin a skylight?)
>>>>> Patti
>>>>> 90 Westy Automatic
>>>>> Los Angeles
>>>>> 
>>>>> --
>>>>> 
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>>