[Vwdiesel] cold start function
paulr
reichp at earthlink.net
Wed Feb 15 20:19:52 EST 2006
I wonder whether the permanent magnets in the gear reduction
starters weaken with age, and lose power (crank more slowly)???
Cooments?
Paul
LBaird119 at aol.com wrote:
> Without the later model, additional linkage the rpm will not change when
> you pull out the cold start knob. It's simply a timing advance that should
> make it start and idle better when cold and have a sharper diesel knock
> sound. If it doesn't then the cable's either not pulling the lever properly
> (broken or adjustment) or the pump timing's incorrect, usually retarded.
> With the knob clear in, look behind the pump and check that the lever
> the cable is connected to is seated against the bent-metal-bracket stop.
> If not then loosen the screw and adjust. If it's too tight then the knob
> won't go all the way in.
> My guess is the timing was set with the knob pulled out so it'll be about
> .15mm retarded (.85mm instead of 1.00mm). Nothing wrong with setting
> it closer to 1.05mm most of the time. :-)
> Slow cranking is usually from a low battery (new doesn't mean it's fully
> charged/charging or good), not charging or not fully charging, bad or just
> plain too small (even if original) positive battery cable, bad ground (alt
> for
> charging or battery to body or tranny) or a worn starter. Generally the gear
> drive starters don't slow as much as the older ones. Mine doesn't seem
> to crank quite as fast as the older type either though.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Loren
>
> In a message dated 2/14/2006 10:31:24 PM Pacific Standard Time,
> kel-digitronics-pl at shaw.ca writes:
>
>
>>The problem I am having is the cold start has absolutely no effect when I
>>use it. The previous owner says it's been that way since he had it (along with
>>the rebuilt head).
>>When the car is warm the car runs good, but not having the cold start when
>>the engine is cold makes it hard to start, and rough till it heats up.
>>Any thoughts? I found some info on the pump on the net (kits, blowup
>>diagrams etc.) but it doesn't really mention the cold start.
>>The lever on the pump moves, but no change in rpm's.
>>I don't know if this helps, but it's not as fast turning over the engine as
>>my last car ,also same since last owner.
>>(brand new battery recently)
>>Thanks for any help you can give
>>Paul
>>
>
>
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