Date: Mon, 11 Jan 2021 23:06:12 -0700
Reply-To: OlRivrRat <OlRivrRat@COMCAST.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: OlRivrRat <OlRivrRat@COMCAST.NET>
Subject: Re: throttle switch
In-Reply-To: <CAB2Rwfjt1H5Rqn45twOQ8+N4H4xOzLyr=0Vb+f3r8T7nC3b+Lg@mail.gmail.com>
Content-Type: text/plain; charset=iso-8859-1
Just so ya know > No Pic Here ~
On 11 Jan , 2021, at 2:22 PM, Neil wrote:
> The '85 1.9 can have either 2 separate switches or "single" switch
> (same as used on a 2.1) located under the throttle body.
>
> Your engine has the "single" switch?
>
> A click should be heard as throttle is opened just off idle, then
> again a it's returned to stop position. If not, or it clicks too far
> off idle position, "gap" adjustment may be wrong or (more unlikely)
> switch has excessive internal wear or has failed. There could be other
> causes.
>
> The switch should also click when throttle turned to WOT (wide open throttle).
>
> Corrosion, dirt at switch adjusting parts, excessive wear between
> throttle shaft and body, can make it difficult to adjust and set this
> switch.
>
> A volt-ohm meter is mainly used to check for **consistent** switch on
> off continuity as switch is actuated. Ensure meter probes connect
> securely to switch to help eliminate false readings. On low Ohm
> setting, you should see 0.00 Ohms or very close to that.
>
> Attached pic: underside view of switch off my old 2.1 switch, assembly
> rotated 90º out of the way. Normally, it sits over the adjuster cam
> etc. As adjuster cam is turned (adjusted), that cam moves the switch
> body which in turn affects where the metal switch arm is located
> relative to the two lobes on plastic part, which is attached to the
> throttle shaft.
>
> Neil.
>
>
>
> On 1/11/21, David Boan <dboan@outlook.com> wrote:
>
>> Hello Vanagon Types
>>
>> For two months now I have been working on the idle stall issue with my '85
>> Westy, and I think I am closing in on the cause.
>
>> The next step would be checking resistance at the switch, and that is where
>> I have a question. My setup does not look like the sketch in Bentley, and I
>> am unclear where to connect my multimeter. Does anyone know if the switches
>> are under the throttle body and if I need to remove the throttle body to get
>> to them? Or, if there is a connector I can use instead of removing the
>> throttle body? I see several candidate connectors and not sure which is the
>> one I want.
>>
>> On the other hand, if there are no clicks, does that definitely mean a bad
>> switch that should be replaced?
>>
>> This engine is a GoWesty 2.3 on a 1.9 system.
>>
>> Thanks in advance for your suggestions.
>>
>> Dave B
>> Boise
>>
>
>
> --
> Neil n
>
> VE7TBN
>
> 1988 Westy 50º ABA swap: https://tinyurl.com/yap5hpwt
>
> 1981 Westy 15º ABA swap: https://tinyurl.com/y9n4xob8
>
> VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>
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