Author Topic: Injection Pump Woe's (Read 4488 times)

camboscams · « **on:** February 13, 2009, 11:42:46 am »

Well on this 1.6l na turbo build i seem to have hit a small snag. I got a td injection pump for my engine without a pulley. At first i intended to use the pulley that came on the n/a but after attempting to install the ip i found that the pulley was to small.

I measured the td ip shaft and found the larger end of the shaft, right at the end of the keyway, to be around ~19.5 mm and the smaller end, at the end of the keyway, to be ~16.3 mm.

If anyone has one of this size, i am very willing to buy it from you!!!!....If i cant get one from here i'll have to have my 1.6l na pulley machined ($$$$$$)

Also one other question (at least to justify putting this in the IDI section rather then the for sale/needed)

On the front of the IP (where the injection lines go) the top fitting is for the boost pressure, the middle one is a breather, and the bottem one is for a ? fuel return ?.... Thanks, Cambo

ilikevwdiesel · « **Reply #1 on:** February 13, 2009, 11:52:37 am »

you're not doing something right all 1.6 IDI diesels take the same IP sprocket, and yes you have the openings in the pump described correctly. Are you sure that's a VW pump? Post more pics from other angles.

camboscams · « **Reply #2 on:** February 13, 2009, 11:57:39 am »

Quote

you're not doing something right all 1.6 IDI diesels take the same IP sprocket

Maybe i'm not... But i do know for a fact, that i have four 1.6l NA pulleys and one 1.5l Pulley and they are are all too small for this Injection Pump.

Vincent Waldon · « **Reply #3 on:** February 13, 2009, 11:59:54 am »

Quote from: "camboscams"

and the bottem one is

...normally capped.

That's the port for the dial indicator... normally covered with a brass bolt and sealed with a copper ring.

On the odd AAZ pump there's a sensor that goes there instead, but thats a very rare situation.

camboscams · « **Reply #4 on:** February 13, 2009, 12:07:46 pm »

sorry the bottem one refers to the one directly above the fuel-shut-off solanoid

jtanguay · « **Reply #5 on:** February 13, 2009, 12:29:36 pm »

you shouldn't leave the pump open like that... it's amazing at how quickly the inside of the pump will rust, and give you lots of grief. but yes, 1.6N/A and TD pumps should be exactly the same, except the LDA on top. oh and maybe pump head...

this pump sounds like an mTDI pump, having the 19.5mm shaft size...

camboscams · « **Reply #6 on:** February 13, 2009, 12:33:55 pm »

I was just getting ready to hook it up to the engine, thats why exposed...

So what does this mean? If the shaft is bigger then the 1.6l pulleys i have what do i do? How can i ID the pump, and see what i have then?

jtanguay · « **Reply #7 on:** February 13, 2009, 12:38:56 pm »

Quote from: "camboscams"

I was just getting ready to hook it up to the engine, thats why exposed...

ok thats good then.

it might be a good idea for you to take more pictures of the pump. and also any serial numbers that you can find on it. some people on this forum can actually look up those part numbers and find which vehicle it came from, etc. and some others can actually ID the pump from pictures alone... (guru's)

truckinwagen · « **Reply #8 on:** February 13, 2009, 12:44:39 pm »

I have run into the same problem with my pulley not fitting my pump(my pump is from a cummins)

I sourced a pulley with the right size hub from Prothe, but the offset is wrong, so I am having a buddy at a machine shop turn the two pulleys into one with the right size hub and the right offset.

if there is a simpler option that would be good to know about.

camboscams · « **Reply #9 on:** February 13, 2009, 01:10:24 pm »

Cummins, 4BT?

I'll get some more pictures of it on monday, maybe sooner. but here are the numbers...

written as they apper

NR0460494122
VR R 125
01165V78329

truckinwagen · « **Reply #10 on:** February 13, 2009, 02:09:03 pm »

thats what I have been told.

supposedly the adjustable hub/gear set from a newer TDI will work, but the hubs are impossible to find even though the gears are readily available.

I hope you figure this out

burn_your_money · « **Reply #11 on:** February 13, 2009, 02:18:27 pm »

From what I can see it looks like your pump is off a Escort, Fiesta or Orion from 84-89. Engine codes LTA, LTB and LTC. Only 40 kW though so it's way low on power. Although, 0 460 494 122 is the PN for a NA pump, not TD so either there's a typo or someone added a LDA to the pump

Call Giles on monday or send him an email. I know we have a stack of pulleys, not sure if they are for sale or not though. As mentioned though, the offset may not be proper.

Quantum TD · « **Reply #12 on:** February 13, 2009, 02:18:58 pm »

Looks like you got a 4BT Cummins pump. Not a bad thing, except for the shaft diameter. An early TDI sprocket might work (1Z or AHU), but I"m not sure. I think those later ones used a 19mm input shaft. Maybe someone else can chime in.

If you find you can't use that pump, I'm sure there are plenty of people here willing to buy it off you, or trade you a 1.6TD pump with the correct sprocket.

camboscams · « **Reply #13 on:** February 13, 2009, 04:02:10 pm »

So there is some contradicting going on, sorry i can't get more pictures right now.

Tyler, i did't know Escort, Fiesta or Orion came in a diesel model...

burn_your_money · « **Reply #14 on:** February 14, 2009, 10:20:17 am »

Quote from: "camboscams"

Tyler, i did't know Escort, Fiesta or Orion came in a diesel model...

I didn't either. I'm just reading what the Bosch program told me.

Looking at your pump, I can see the fast idle option on the LDA. Since you don't have a cold start advance lever (based on the rear mounting bracket) there is nothing to actuate the fast idle. I'm pretty sure that your LDA is not original.