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Engine Specific Info and Questions => IDI Engine => Topic started by: jantd on February 18, 2006, 10:58:49 am

Title: Injection pump
Post by: jantd on February 18, 2006, 10:58:49 am

Hi guys,

does anyone know if there are rebuild kits for a injection pump of a 1.9 TD ( AAZ engine ) and schemes available on the internet ?

Thanks
Jan

Title: Injection pump
Post by: X@V on February 18, 2006, 11:26:09 am

Sometimes there are rebuild kits on Ebay.

The seller is dieselcare I think.

Title: info
Post by: jantd on February 18, 2006, 02:43:36 pm

apparently you have to pay to use technical data on dieselcare, so is there anyone else who did rebuild his pump and maybe can advice me, or a link where I can find info like drawing of the pump?
thanks a lot...

Title: Injection pump
Post by: X@V on February 18, 2006, 08:42:47 pm

Look at this: http://www.vwdiesel.net/phpBB/viewtopic.php?t=1573

There's lots of informations.

If yoou need more infos for the traduction just ask me.

Title: Injection pump
Post by: jantd on February 19, 2006, 07:37:39 am

Thanks for that really nice link. This was about a pump for a 205, is there a lot of difference with a pump for a golf AAZ engine, and did you find a place to buy Bosh kits?

Title: Injection pump
Post by: VWDieselDoc on February 19, 2006, 08:43:50 am

The only real difference between the 205 pump and the AAZ pump is the added electronics for engine management.  The lower part of the pump is virtually identical.  The top half has all of the mechanical linkages removed and are replaced by solenoids and actuation motors.  The AAZ is what you call a "drive by wire" engine.  That is, instead of your throttle inputs being transmitted to the pump via mechanical linkage, they are transmitted to the ECM via a potentiometer mounted on the accelerator pedal.  The ECM reads different values (ie: o2 content of exhaust, engine temp and speed, ambient air temp, boost pressure, airflow, ect.) and decides how much "throttle"  to send to the injection pump.

Title: VWDieselDoc
Post by: DieselMonkey on February 19, 2006, 08:59:58 am

The AAZ is not fly by wire, the first VW fly by wire diesel was the 1Z Tdi. The AAZ is a turbo diesel, but indirect injection, nt DI.

If were talking about the Peutgoet 205, i'm pretty sure i've only seen them fitted with an old Lucas CAV rotary pump. The younger 306 had both the Lucas CAV and later, the Bosch VE.

DM

Title: Injection pump
Post by: jantd on February 20, 2006, 10:01:46 am

The AAZ is indeed mechanical,indirect,no electronics.In Europe they were last mounted in Golfs in 1996. I bought one of the last ones.. Then came the 1Z tdi,90hp,still mounted in mk 3's.
So anyway,I still wonder:where do you buy the kits, and has someone more specific info about the bosch ve pump mounted on the aaz.It must have some differences with the 205 pump..As I'm not a professional I'm a bit afraid of screwing it up, but paying a new one is too expensive for me..