[Vwdiesel] Vacuum Pump

[Roger Brown]

Roger Brown wrote:
> mikitka wrote:
> 
>>I can't tell where that tube connects to the vacuum pump.
> 
> 
> In that picture, it doesn't.  As noted in my earlier post, on the 1.9D engine w/ rotary vacuum pump, there is no vent line on 
> the pump like there is on the diaphram sytle pump.  So that part of the plumbing is missing, so the line runs from the crankcase 
> to the valve cover where it connects into the line running to the intake.  The idea is to tie all the vent lines together.  VW 
> used to sell a fancy hose kit to do that; basically crankcase vent to pump vent to valve cover vent to intake.
> 

Here is a closeup of the block fitting and the vacuum pump on my '82/1.9D:
	http://c-67-170-224-64.client.comcast.net/Photos/103_pana/P1030021.JPG
Since it is a rotary pump, there is no vent line for it, but IF it were the older style pump there would be an outlet tube on it 
that would normally run to the fitting on the block.

-- 
    Roger