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Messages - ORCoaster

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TDI - VE Pump TDI Engines / Re: 03 Golf-occasional white smoke
« on: October 22, 2018, 10:28:41 pm »
AS long as you are cleaning up you might as well do the intercooler and see what the results of that are.  I understand that they do accumulate oil after a while. 

TDI - VE Pump TDI Engines / Re: 03 Golf-occasional white smoke
« on: October 21, 2018, 02:24:46 pm »
I try to stay away from the brass brush until the last part of the cleaning so I don't get to aggressive with it.  I like to soak in something that is made for cutting through carbon and soot.  So I soak the needles in some injection cleaner and then use a rough cloth sprayed with choke and carb cleaner.  Some talk about Automotive Transmission Fluid as a good cleaner but since all my cars are manuals I don't keep any of that handy. 

I have a 10 power hand lens that I use to look at the tips once I get some of the grime off.  You would be surprised at how they look after they clean up compared to where they start.  I can generally see all the bevels and flats on the tips when I finish.  Prior to that it looks like a glob of black goo on the end of the tip.  Getting them to shut off and not weep into the cylinder means getting those faces to meet inside the injector.

Good luck on getting it done. 

General / Re: kaputtwagen 1982 rabbit AAZ swap/build
« on: October 21, 2018, 02:15:32 pm »
The Great Work continues.  On that primer, do you find that you have to have a large tip opening on the gun to spray it or do you thin it down more than recommended to get it to come out and lay flat.  I was trying to use a 1.5 mm tip with some primer/surfacer and never got the mixture right to suit my environment.  Which is cold and foggy today.  Other times I tried where it was super hot, 98, and dry.  I just couldn't correct with the reducer at hand. 

I now own a better HVLP gun capable of painting latex paint, a 2.5 mm tip.  If that doesn't handle the thicker paint I don't know what to use.  Mabe a roller and then just sand it more? 


TDI - VE Pump TDI Engines / Re: 03 Golf-occasional white smoke
« on: October 20, 2018, 11:14:36 pm »
Wouldn't hurt to clean the injectors and if you have a compression gauge check the PSI in each cylinder as you will have the injectors out anyway.  Might as well get the information in case the cleaning of the injection system still show the problem.  At least you might have the answer if the rings are bad or going in one of the cylinders.

Not bad English if I can understand the intent or thoughts.  Rust can be dealt with too.  Chemicals that we use when painting bind to the rust and stop the process.  If you look around you will find them.  Not expensive either.  I think I bought a quart bottle for about 13 dollars at the hardware store last year.  Have given half of that away to others doing body work or painting their cars or vans.  They didn't know such a thing existed. 

And dad taught me all about nearly 50 years ago.  Thanks dad.

IDI Engine / Re: Oil cooler upgrade worthwhile for 1.9 AAZ in sidekick?
« on: October 19, 2018, 11:03:38 pm »
If the cooler has separate inlets and outlets for the oil and the water I would try to apply a vacuum on one side by sucking on a clean hose and covering the other with my thumb.  If it holds then likely there would be no leaks.
Do it for both the oil and water sides. 

If I was trying to determine good service I think I would be scoping it for oil leaking out from somewhere.  That might be hard to determine on some engines that had other leaks dripping down on it.

I would being looking for corrosion as well.  Why pay for a part that is going to be weak in some spot and fail in short order.

Those are my ideas, yours or others might be better. 

IDI Engine / Re: Oil cooler upgrade worthwhile for 1.9 AAZ in sidekick?
« on: October 19, 2018, 12:28:30 am »
I wouldn't say do it because the vehicle is heavier.  I would do it based on temps you expect at heavy loads.  Like pulling up a long hill in first or low gears.  I ran a aux cooler on my jeep because I would get it hot getting around on steep ground and not have the benefit of a lot of air moving over the radiator at the low speeds.

Size it according to how cool you want it to run under stress.  In some situations more is not always better.  Yes it is good to run cool oil but if your engine lacks heat then you will find it using more gas to go. 

Look at the little oil and water cooler between the oil filter and engine on some of the engines that VW designed.  Is that sufficient?  Probably not in your case.  Do you need one the size of the radiator itself?  Likely not.  A gauge on the auxiliary cooler would let you know what temp the oil is at going back to the engine.  If too cold then downsize the cooler.

Kanikaze,  Don't mess with that little spring it is not what you want to adjust.   In your picture look at the lever that is sticking up past the top of the level of the body of the IP.  Now go get the top part that goes on and flip it over.  See the screw like thing that would touch the lever if it was all put together?  That is the Fuel Screw that controls the amount of fuel going into the engine at startup and when under way, driving.

You need to turn that screw out a couple of turns, two half turns.  Maybe more once the car gets running.  Turning it makes a lot of difference in how the car runs, how much power it has, how much fuel is wasted as black smoke. 

When you change the amount of fuel going in at idle you  also have to change the idle setting that is the screw that pushes the lever out a bit farther.  It is a balancing act.  A little more idle screw and a little less fuel screw. 

If the car is not responsive when you are driving it, then the fuel screw goes in like 1/4 turn and the idle gets backed off a bit to lower the RPMs

IDI Engine / Re: Injector rubber nipple
« on: October 11, 2018, 11:08:17 pm »
Maybe by chance the little tiny screen on the out bolt itself it fouled up and not letting fuel return correctly?  I have cleaned a few goobs of goo off of that screen once in a while.  Not sure where it comes from, maybe inside the hoses between injectors?

It takes a good sunshine day to look at it and see if there is anything stuck on there.  You might just float it in some paint thinner for a while and try blowing it out from the inside out.  Hey OUT the OUT BOLT!

Troubleshooting / Re: Irritating oil leak...
« on: October 09, 2018, 10:52:12 pm »
If only all our troubles could be solved so simply.  Glad you got it.  I have an IP leak that is driving me crazy.  Just going to put little bits of paper towel on it here and there and see which ones get wet and where.

Troubleshooting / Re: new style rotary vacuum pump
« on: October 08, 2018, 10:38:15 pm »
I wouldn't call it strong.  More of a mild pull on the finger.  Do you have access to a vacuum gauge.  That in line with a tee and the booster will let you know how good the vane pump is working.  They do get worn and the top plate will show scraping.  That might affect how well the pump builds a vacuum.

Troubleshooting / Re: Irritating oil leak...
« on: October 08, 2018, 10:35:08 pm »
In a case like that I would be spraying some engine degreaser on that engine and cleaning it up.  Then letting the bugger idle for about 10 mins.  Inspect with a bright light and an mirror if need be.  Then IF nothing is showing itself to be dripping from the cover or seals, I would try revving it up some and see if the turbo seals are holding at boost.

Otherwise it will be a mess forever. 

Troubleshooting / Re: 1.6 NA not getting fuel
« on: October 07, 2018, 05:03:30 pm »

There always seems to be air in the return line as well

Otherwise you will never know if getting power is happening as it should or not.

I suspect seals are in need of replacement on the IP or you have an inlet line that is cracked or loose IN bolt seal.

TDI - VE Pump TDI Engines / Re: 03 Golf-occasional white smoke
« on: October 06, 2018, 07:36:31 pm »
Too much fuel is black smoke.  Rolling Coal!  Or Dino Pee

White mixed with tint of blue with a smell not of diesel.  Hmmm.  Check valve guides and turbo for oil leaks that might be the blue tint.  Might be a bad injector too.

With engine running, place a solid bar, like a 1/2 inch long extension on the nut of each cylinder and put your ear to the top end.  All sound the same click and tick?  One particularly loud?  Pull it out, take it apart and clean the nozzle tip really well with a fine soft brass brush to get the carbon off of it.  Reassemble, with new or reformed heat shield and listen to it again.  More like the rest of them?

White smoke can be over advance as well.  Not sure where your timing is at.  IF it starts smoking again loosen the 4 bolts on the IP and push and pull on it and see if that changes it at all.

IDI Engine / Re: External oil cooler hose size
« on: October 05, 2018, 11:10:28 pm »
5/8ths sounds to large for my tastes.  That sounds more like water cooling size.  I used a sandwich between the flange and filter for an external Frantz cooler and I think the inside diameter of that hose was closer to 1/4 inch.  Once it got to the external filter it had a sleeve in the inlet that dropped the diameter down to 1/16 I believe.  b
But that particular filter is not designed to have a huge flow going into it.  You are also looking for flow to cool the oil so I would venture a guess that you are a bit big on diameter.  Maybe drop a couple of 8ths and go with a 3/8th if you find you lack pressure. 

The oil pump only can produce a given volume depending on RPM.  Flow is a measure of a combination of pressure and diameter of hose.  A given volume will be at a higher pressure with a smaller diameter hose.

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