Date: Tue, 5 Aug 2008 23:17:28 -0700
Reply-To: Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jake de Villiers <crescentbeachguitar@GMAIL.COM>
Subject: Re: Just Gotta Be A Vacuum Leak!!
In-Reply-To: <03eb01c8f78a$e6114c60$6401a8c0@PROSPERITY>
Content-Type: text/plain; charset=ISO-8859-1
Its good to have a wide selection of sizes on hand, that's all! :)
On Tue, Aug 5, 2008 at 11:08 PM, Scott Daniel - Turbovans <
scottdaniel@turbovans.com> wrote:
> something you are well versed in no doubt !
> lol.
>
> ----- Original Message -----
> *From:* Jake de Villiers <crescentbeachguitar@gmail.com>
> *To:* Scott Daniel - Turbovans <scottdaniel@turbovans.com>
> *Cc:* vanagon@gerry.vanagon.com
> *Sent:* Tuesday, August 05, 2008 10:54 PM
> *Subject:* Re: Just Gotta Be A Vacuum Leak!!
>
> Wine or single malt corks work very well....
>
> On Tue, Aug 5, 2008 at 8:27 PM, Scott Daniel - Turbovans <
> scottdaniel@turbovans.com> wrote:
>
>> if you think any vaccuum leaks in the brake booster system, or the vaccum
>> lines leading to that are causing engine runing issues.........
>> simply apply the diagnostic strategy of 'Substitue and Bypass'.....
>> which in this case would be to remove the vaccum line from where it joins
>> on
>> to that can in the middle of the intake runners. ..........that can with
>> the
>> throttle body on it.....
>> and plug that hole carfully, like with a hose with big bolt in it - a
>> smooth
>> shanked bolt ......or even wooden plug - it's just a short term test.
>> this way the entire vaccum system in the whole body of the van is out of
>> the
>> picture.
>> then see what it does.
>> and yes, you'll have greatly reduced braking performace, so be super
>> careful
>> there.
>> anytime you can get various parts out of the picture ...........the
>> better.
>> That's one way of isolating where the problem is or isn't.
>> Don't give up !
>> scott
>> ----- Original Message -----
>> From: "Max Wellhouse" <dimwittedmoose@CFU.NET>
>> To: <vanagon@GERRY.VANAGON.COM>
>> Sent: Tuesday, August 05, 2008 6:36 PM
>> Subject: Just Gotta Be A Vacuum Leak!!
>>
>>
>> Troops: In my saga of poor performing () GL 2.1 motor syndrome, I
>>> went through the Haynes British manual I got from Bus Depot and went
>>> through their troubleshooting guide. With all my performance issues,
>>> the one thing that keeps showing up in their analysis is Vacuum
>>> Leak. Sure, low compression and fuel injection issue come in 2nd and
>>> 3rd, but I don't have hot and cold start issues which both state that
>>> low compression could be the cause of that.
>>>
>>> I do also have a lot of travel in my brake pedal despite repeated
>>> adjustments to the rear shoes and the front disc pads have plenty of
>>> meat left on them. Under their listing of "excessive brake pedal
>>> travel", they list sevo vacuum leak, and shot brake servo. I don't
>>> know if this makes the scales tip one way or the other, but if I were
>>> to pump the brake pedal repeatedly9 or 10 times(when the engine does
>>> try to idle every once in a while), the engine idle increases
>>> substantially. Is this further evidence of something wrong? Crack
>>> in one of the plastic pipe joints going back from the servo to the
>>> engine? Gasket at a joint bad? The one way valve failing? The o
>>> ring at the master cylinder? How would I check the servo visually to
>>> see if it's toast? I do have the servo here from the 91 shell I just
>>> parted out, but how would I tell if it was any better than the one I
>>> have?
>>>
>>> If I were to try and isolate this problem, could I simply plug the
>>> booster outlet and drive the van for a short while without the servo
>>> sucking vacuum? Probably have a harder time stopping the van. This
>>> engine pretty much doesn't want to idle period. I've gone back and
>>> checked the valve clearances again and I'm happy with that part. I
>>> am tapping vacuum from the FPR port to run both my vacuum gauge on
>>> the dash and the MAP sensor for the Haltech ECU as well as the FPR,
>>> but I've been doing that for years with no problems. Again, the
>>> ether spray showed no engine rise or fall in rpm when spraying all
>>> the likely leak spots, so I'm pretty much in another fork in the road.
>>>
>>> Thanks
>>>
>>> DM&FS
>>>
>>
>
>
> --
> Jake
> 1984 Vanagon GL
> 1986 Westy Weekender "Dixie"
> Crescent Beach, BC
> www.crescentbeachguitar.com
> http://subyjake.googlepages.com/mydixiedarlin%27
>
>
--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
Crescent Beach, BC
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27
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