Author Topic: Idiot needs help (Read 4686 times)

bluebus66 · « **on:** March 25, 2008, 12:55:07 pm »

Hi to all. I'm new here, and sorry to start with a problem.
1.6 CY code TD VW T3. Was running a NA diesel pump with JX LDA top on it. Ran fine for two years +. 80 MPH + and average 36 MPG

I've just spent my entire holiday banging my head against a diesel pump.
Starting at the beginning, Got the van MOT tested and it failed on not much at all. Before I got a chance to fix what was needed and get it in for a retest, a drive shaft bust in the middle of rush hour traffic. And pretty much at the same time an injector line sheared clean off.
Fixed the drive shaft. Didn't have a spare injector line so decided to fit the SB type pump that was originally on the engine, and ran fine, back on, complete with as new lines.
Pump wouldn't bleed for some reason so I made the monumentally stupid decision to open it up and have a look. Shiny bits all over the floor.
Plan B. Fit the SB top onto the pump that had been on. Did that. timed it to perfection ( I think), Primed and bled the system but it wouldn't go.
Hours of faffing later I realised I'd managed to turn the throttle arm too far and it was trying to work in reverse. Top off , arm in right and it starts.
Just one problem. In my desperation I'd started F*cking with things I new I shouldn't have. Namely the load screw at the back of the pump.
Now the van starts first turn, and drives. That is, drives with no power, or drives with power, but lots of smoke, depending on the load screw adjustment. I just cant find a balance and I'm seriously fed up now.
I realise I've been a complete ***wit, but can anyone advise where I go with it now. Can I sort it, or should I cut my loss's and look for another pump? I've spent hours reading up on VE pumps and was feeling pretty confident this morning,but still cant crack it.

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Op-Ivy · « **Reply #1 on:** March 25, 2008, 08:50:24 pm »

If you can get it to run and you are just stuck with load screw adjustment then you have passed the hard parts.

The load screw is actually very sensitive. Just 1/8th of a turn will do a lot. Inwards for more fuel out for less.

PS: No need to call yourself an idiot. It takes many mistakes to learn.

jtanguay · « **Reply #2 on:** March 25, 2008, 09:12:30 pm »

what is web wiz forums?

bluebus66 · « **Reply #3 on:** March 26, 2008, 03:07:23 am »

Cheers, Op-ivy.
I'd started to think through all the other things that could possibly have gone wrong while its been in bits.
I've got a part dismantled pump on my kitchen table, and keep going back to it and looking at the throttle action.
The really annoying thing is when I first fitted my engine, I knew *** all about diesels, and just chucked it together. Bits and pieces from allover the shop, and its been spot on for two years.
I can see where the lock ring was on the load screw, but if I turn it in that far
It smokes like hell.
Am I right in thinking that the throttle action and load screw are completely interdependant. As in, you move one and it upsets the other.
I'll have another search through old posts.

jtanguay,
Web Wiz forums? I did cut and paste my message from The Brickyard T3
Forum, which is powered by WebWiz. P'raps it just got carried over by accident.

PS. Having read through a load of old posts, I'll definitely be coming back here for a bit of extra power. I would never have thought there was so much you can do with a Diesel. Excellent site!!!!!!!!