thanks Roy,

I don't know that we can use 5W40 or 5W50 in a WBX.. are they synthetic or
standard oil?
My mechanic doesn't recommend synthetic at all...

On Tue, Aug 10, 2021 at 8:42 AM Roy Nicholl <RNicholl@nbnet.nb.ca> wrote:

> Dan:
>
> Out east here (Maritimes), I typically run Luqi Moly 5w40 in the WBX as
> well.  When we make a long-haul summer trip - west (across the Prairies) or
> south (into the U.S.A.), I'll use the 50 weight.
>
>
> Dan N wrote on 2021.08.10 12:32:
>
> For the WBX engine the only thing I worry about is the thickness of the
> 20W50 oil... so go easy with the gas pedal at cold startup... I just blip
> the throttle to keep it running. The ML430 uses 5W40 synthetic oil.
>
> On Tue, Aug 10, 2021 at 8:02 AM Roy Nicholl <RNicholl@nbnet.nb.ca> wrote:
>
>> Dan:
>>
>> That's the manner in which most of our diesels operate.
>>
>>
>> Dan N wrote on 2021.08.10 11:59:
>>
>> The idea of giving a little gas when you start a cold WBX engine (without
>> dle controller) was from my observations on my ML430 SUV. When I start it
>> cold the idle speeds up to about 1500 rpm for a couple seconds then going
>> down gradually to 1200, 1000, 800 and and stops at 550 rpm all in a lapse
>> of about 30 to 45 seconds. I asked my mechanic about it and he said *"Mercedes
>> has not used an idle control valve since around 1990. The idle is
>> controlled by the throttle valve actuator and timing via a sensor... If you
>> start your cold engine and it idles right away at 550 it will stall and die
>> and something is wrong with the sensor.**"*
>>
>> dan
>>
>> On Tue, Aug 10, 2021 at 4:06 AM Roy Nicholl <RNicholl@nbnet.nb.ca> wrote:
>>
>>> Jeff:
>>>
>>> My son and I did a test week in Fundy (~400km in total) with the ICV
>>> disconnected.  Occasionally, the WBX stalls at idle - mostly when cold,
>>> so as Dan said, put your foot in it a little for a minute and all is
>>> well.  The only other time it stalls is when there is a load on the
>>> alternator (running lights on) or the helm is hard over (power steering
>>> pump loaded) at idle ... it does not compensate (I presume the ICU is at
>>> play ... or asleep ... here).
>>>
>>> Fuel consumption may be a little higher typical ... but there could be
>>> other bits a play there.
>>>
>>> Since driving with the ICV unplugged seems to be tampering the wild
>>> behaviour of the idle control unit, I am going to try waiting until I
>>> put the Hyena into hibernation to send the ICU off for rebuild.
>>>
>>> Roy
>>>
>>> Jeff Palmer wrote on 2021.07.27 17:57:
>>> > Hi Roy. I have had the same issue - surge then idle then surge - for a
>>> couple of years now. When I drive and not moving it idles nicely at 900.
>>> Maybe you can wait to send it out until you park it this winter? Assuming
>>> you don’t drive it right now. Maybe I’ll send mine with you - I’m in St
>>> Andrew’s NB for holiday. (No van).
>>> > Jeff
>>> >
>>> > Sent from my iPhone
>>> >
>>> >> On Jul 27, 2021, at 2:57 PM, Roy Nicholl <RNicholl@nbnet.nb.ca>
>>> wrote:
>>> >>
>>> >> Stuart:
>>> >>
>>> >> That's interesting.  Though being dead-in-the-water for a couple of
>>> >> weeks or more (I am in Canada) is discouraging.
>>> >>
>>> >> Thank-you,
>>> >>
>>> >> Roy
>>> >>
>>> >>
>>> >> stuartmacm@gmail.com wrote on 2021.07.27 14:40:
>>> >>> Idle control unit.  Have it rebuilt:
>>> https://modulemaster.com/products/vw-volkswagen-vanagon-1986-1991-idle-controller-rebuild
>>> After 30+ years in a wet environment they all fail.
>>> >>>
>>> >>> Stuart
>>> >>>
>>> >>> -----Original Message-----
>>> >>> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of
>>> Roy Nicholl
>>> >>> Sent: Tuesday, July 27, 2021 10:25 AM
>>> >>> To: vanagon@GERRY.VANAGON.COM
>>> >>> Subject: Idle gremlins still at play
>>> >>>
>>> >>> Good day all,
>>> >>>
>>> >>> The Hyena (88 Westy WBX)   started racing at idle (from 1100
>>> climbing to
>>> >>> 2500 last summer).   If you were at the back of the van and pushed
>>> the throttle hard closed - sometimes wiggling it - the van would fall back
>>> into an idle.     With the engine shutdown, you had to do the same to hear
>>> the click of the TPS.
>>> >>>
>>> >>> This morning, I replaced the throttle body with a new GoWesty unit.
>>> Things were fine for the first test run.   After lunch, I restarted the van
>>> and it began surging at idle, but differently than before.   The WBX will
>>> surge to 2200 - 2500 RPM, but after 1-2 seconds falls back to idle.   Rinse
>>> and repeat.
>>> >>>
>>> >>> I unplugged the 12v from the idle control valve and the engine
>>> remained at idle.     I removed the idle control valve; cleaned it with
>>> carb cleaner and tested it with 12v leads (valve appears to move).   I
>>> re-installed the valve and the same thing happens.
>>> >>>
>>> >>> So, is it possible the spring is too weak and the valve is bad ...
>>> or is my problem likely to be elsewhere (i.e. idle control unit) and more
>>> expensive?
>>> >>>
>>> >>> What's the impact of running with the power to the idle control
>>> valve disconnected while I await a new one?
>>> >>>
>>> >>> Roy
>>> >>>
>>>
>>
>>
>