[Vwdiesel] Pumps: 1.6TD vs. 1.9TD

Sandy Cameron scameron at compmore.net
Fri Feb 11 08:45:30 EST 2005

At 02:37 PM 2/11/05 +0100, you wrote:
>I am new to the group. I have a vanagon syncro with an AAZ engine. I am 
>using the stock JX fuel pump and it is time for a rebuit of the pump. I 
>was wondering if it is worth to upgrade to the AAZ pump or staly with 
>the JX one. I am searching for info about differences between these two 

I have an AAZ in a 94 jetta, and the manual for it.
I believe (but check with others) that the only difference between the AAZ
pump and the earlier 1.6L pump is the electrical timing retarder device. 
I will look at the manual and see what operates it.

I believe it retards injection when coasting or under light loading

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