Felder wrote: >> My question is, what's the starting procedure using the "knob," or more properly, does use of the "knob" contribute to the cutting down of smoke upon startup?
My '83 diesel indeed has what the Owner's Manual refers to as a 'cold starting aid'. As the name implies, this device is intended to facilitate an easier start-up in cold weather, and is operated by a handle located to the right of the steering column, just below the ventilation controls. Mine is a small, round, rubber knob which is pulled out from the dash. Via a very long cable, this knob essentially advances the timing of the injection pump. Quoting from the Owner's Manual: "Before starting engine at outside temperatures down to -15C (5F), pull the cold start handle out fully. At lower outside temperatures, the handle should not be pulled out until the engine is firing regularly -- the engine will then usually start better. "When engine has reached its normal operating temperature, push the cold start handle in." I seldom need to use mine, as I find the van usually starts easily enough in cold temperatures, but when I do, I push it back in after the engine is warmed-up, usually after driving a mile or so. As Gnarlodious suggests, it's probably a good idea to use it anytime to reduce smoke, an indication of unburned fuel.
Jeffrey Earl 1983 diesel Westfalia "Vanasazi"
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