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“All the videos, songs, images, and graphics used in the video belong to their respective owners and I or this channel does not claim any right over them.
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It appears i have underestimated volkswagen. It appears that they have rather large and girthy girthy injection units. I mean i'm impressed look at that what we have here an injection unit. That is electronically operated.
Yet the high pressure is supplied via the camshaft and this rocker arm as the camshaft rotates. It depresses. The side of this rocker pushing down on this plunger. And that's what creates the pressure.
In the doo doo doo chamber. That's what creates the pressure for the injector to spray and atomize. The diesel it appears that this pump is just a low pressure uh volume pump. It's just designed to move the fuel and the fuel runs into the head ends up at the injectors.
The cam runs cam pushes down pressurizes the fuel solenoid opens up sprays the fuel into the cylinder boom explosion. We have made power the intake and the exhaust valves are run over here off the cam. Actually the camshaft is here it appears that these are just uh rocker shafts for the injectors so down there that littler guy. That's actually the cam back in there because we see here we've got an intake or an exhaust.
An intake and an exhaust talking about these lobes right here another one there and another one there i like it.
I can't believe that 1.9 tdi – PD injection arive also in USA. I worked at least at 200 engines here in Europe. Here it's a legendary engine . Every average or poor guy have this time of engine because of small costs of maintenance. I have a lot of friends with those engines and some of them have even more that 500.000 miles . It is an amazing inginery and if you replace in time some things this engine pass 700.000 miles. Happy to see that.
Doo de de doo
Oh, another Rainman Ray short.
Looks just like what Caterpillar used for years. EUI system.
Of corse it's a VW because has a do do do injectors 🤣🤣🤣🤣🤣
Do doo da dooooooo
The phone my fav character to hear you impersonate
Basically a miniature Caterpillar with 2 cylinders missing
I've got a 2013 VW Passat TDI 2.0 my back and forth to work car… love that things
doo dee doo chamber lmao.
Pumpe Düse aka Unit Injector
Because the Commonrail was still in the making…
These guys need a VW 50501 approved 5w40 oil. Usually says "VW PD" on the label somewhere too.
Be mindful about that.
This will be fun
EURO CRAP!
Right now anything will beat Ford Echo Boost or Ford Bronco motors…..
I have a 2006 bew Jetta wagon last of the mk4 body style.. 415,000 kms she got another 200k+ in er I’d say.. still original clutch and turbo.. hard to believe ehh
Wow that is cool. I used to work on the VW Jetta/Golf diesels that VW made back in teh 1970s and 80s. They were VERY simple yet also very reliable IMO. I still have all the special tools for doing "tune ups" (wrenches, camshaft lock, flywheel lock, injection pump timing indicator, valve clearance tools and shim sets.) Might even have the Robert Bentley manuals for working on them. Most of it completely worthless now.
LOL! Large and girthy
Very good system, as long as you dont push it to its limits. The 1.9PD generally last forever, the 2.0PD not as much. There are also 2.5L PD TDI's in the VW T4 for example but these (and the 16V 2.0PD BRD) suffer from worn injector seats. Over time, the injection units wear into the head and this results in higher tolerances, which result in long cranks and injection problems. These system also suffer alot from soot collecting in the spray nozzles, which over time reduce your power output alot, espacially in the higher powered PD engines. Also, under the force of the compression stroke in the unit, the camshafts wear quicker and will eventually lead to a puffing sound out of the intake. Aaaaand these engines are known for rounding out the shaft that drives the oil pump, which will eventually lead to engine destruction. AAAAAND routing the injection cables through the oil isnt generally a good idea because these will fail over time and cause injectors to not fire anymore. AAAAAAAAAAAAAND keeping your two mass flywheel in good shape is also important, because a defectice flywheel can get the fuelinjection correction to fluctuate, which will in turn give you a rough running engine. And I almost forgot the cracking 16V heads, which usually crack between valve seats
There are reasons why everyone switched to CR Diesel injection. But still, cool engines with alot of torque and a very unique sound. There was also a V10 PD TDI in the Phaeton and Touareg, which had gear driven cams, not belt or chain driven.
Almost looks like an exhaust brake set up. A real exhaust brake like in big trucks
Welcome to the 1.9PD(Pumpe Düse) TDI engines, these were short-lived in the states but used longer overseas. It was a stop gap until common-rail and fuel standards(ULSD) arrived here. They require very specific oil as to not wipe out the cam shaft lobes because as you noticed they are under extreme stress. If it doesn't meet VW 505.01 spec than the oil is no good. The units themselves rarely have a problem, it's the camshaft and roller rockers that are sacrificed by the use of an incorrect oil.
Ray, is there a way I can email you? I have a question about my car. I think I know what the problem is but I would like a pros opinion.
Amazing scientists 👨🔬
Have a look at GM's old Series 60 light industrial engines, electronic unit injectors waay back in the late '80s early '90s.
GM's 71 series 2 strokes had mechanically controlled unit injectors waaay waaay back in the 1930's. Electronic unit injectors are good, until they aren't. Swap out an injector and the engine either won't start at all or runs very poorly until the ECM has been given new calibration numbers for the squirter.
It's not the girth that matters, it's how you use it.
Those are known as electronic unit injectors
If "girthy" isn't considered a dirty word, it should be.
my parents have a 1.9tdi from 2006 and it still runs great at almost 220k miles! one of the best engines vag group ever made.
If you need the special tools for the timing belt, let me know. I’m local and have them.
Good ol cam breaking pumpeduse. Careful with those injectors.
Veeedy intedestink! I saw those rockers and was just confused. But I'm guessing that behind all of that is traditional VW inline 4 valvetrain: one cam, eight valves, vertical, in a row, bucket lifter (hydraulic) directly pushed up and down by the cam lobes, brutally simple and light weight (other than the width of that lifter.)
Really interesting, as I thought (mistakenly) that all the European diesels had gone FADEC (ECU) controlled, common rail, 2 fuel pump designs. Too soon old, too late smart!
I used to have an Audi A4 Avant with the 1.9tdi engine with those unit injectors. I think VAG call them PD or Pump Deuse injectors. The Volvo FH12 I drove for work had the same system. It's very reliable and generates lots of torque.
Hi Ray
That is typically known as a “unit injector” system where the high pressure pump and injector are in one unit.
This was first used in some military and serious off road/safari vehicles because of the reliability ; you could loose one cylinder and keep on driving but loosing the high pressure pump in a common rail system would mean engine failure.
As you mention, the unit iniectors are beefy things, and the cam belt that drives them takes a beating! VW started to use off-round (not a perfect circle) on some of their cam belt pulleys to dampen the load on the belt.
Keeping up on the cam belt changes is also good.. as for oil, it probably will be happiest with what is specified in the book!
VAG engines are actually really good when u take good care of them.
where is the doodedooodooo chamber??? 3 mechanics threatened to call the cops when apparently im the bad guy
As mentioned many times already, good engine but it was oil type critical. VW made the cam lobes for the valves thinner to make room for the huge injector cam lobe. This put a LOT of stress on the valve lobes. A lot of owners used synthetic 5W-40 diesel rated oil to get something a little heavier for the lobes. The VW spec oil was 5W-30. The VW PD engine was the last engine that was EPA compliant. The next generation engine, the common rail, introduced in 2009, was never compliant in regards to NOX and was part of the diesel-gate scandal (2009-2015 models). I drive a 2015 Passat SE TDI, the last year one could get a manual transmission in a Passat.
And there is another pump in the tank. 20 psi from the tank, 200 psi the the injectors, and 2000 psi to the cylinder. Quite amazing and fantastic.
Wow crazy
Detroit Diesel used cam operated injectors starting in 1938. It was very common in diesel engines.
That pump is a Pump deuse. Pumps fuel in one half….
And creates vacuum in the other. Combined vaccum/fuel pump
Injectors are integrated whit the pump, the downside is a high cost of the unit.
do do ta do chamber . yes yes yes do do ta do
I've got a 1.9 tdi bluemotion golf
I have 06 10 Jetta and a 15 GolfWagon. 👍
doo doo de doo chamber… pmsl – thats awesome ray!!!
pumpe duse❤️
And that is how you cheat emissions!!!
Oh NO, the do-de-do chamber.. couldn't stop laughing. Just what I needed. Thanks Ray.
I used to drive an 84 deezel Wabbit. Filled it up once a month whether it needed it or not.
When is the full video brother
Quite good engines these but once there get to certain mileage injector seats and injectors themselves wear out and then it needs expensive repair basically one of the design flaws beside few others
Nice explanation
Thank you for the video and greetings from a 🇱🇹 😉
We want more we want more
Doolooloo LOL My best typed version of your phone ringing LOL I just wanted to say thank you for the laughs, knowledge and entertainment. I came across your channel a few days ago and now share watching them with my wife. Keep up the GREAT videos and fighting the armchair mechanics. We are a couple of the few who watch videos for the entertainment and what ever knowledge we can get. This country needs MORE caring, professional and OCD mechanics and professional what evers like you. BTW, I'm currently restoring a '65 Chevy C10.. Thanks again Brother..
I'm looking forward to the full length video on these massive high pressure fuel injectors!
All hail the chairman, never forget the Hindenberg!
Looks like a miniature Caterpillar 3406E setup. Go checkout KT3406E 's channel and tell me I'm wrong😉😁
Even Jokeswagon can surprise you every now and then…
Gotta love them PD motors.they eat cams like crazy though. I'll keep my old school distributor injection pump. ALH motors for life 🤘🤘🤘🤘🤘🤘
Cool goodbye injection timing
They always made good diesels, especially when GM made that nightmare converted 350 diesel. My uncle had an Oldsmobile 98 with one and after 3 replacements, he told them to just put a gas engine in it.
Loved my Passat B6 Pumpe Duse engine, super low down torque, great fuel economy and quick. A fella at work had the pool car (a B5 Passat) and blew it up on the M1 going to Northampton. He maintained it just lost power but I later wormed out of him he was doing an indicated 135mph at the time! 😂😂
Not a Explosion!!!, Controlled burn,
Doo doo do do chamber…..😅
Meanwhile the rest of the car is poor quality.
They made 3, 4, 5 and 10 cylinder versions of the P.D. Engine. 70 – 300+ BHP.
it's VW…so you know it's bad
The pressure in the doo de Doo de Doo chamber 😂
damm, vw's run on doo de dooos
Isn't that an unusually CLEAN engine?
Roller rockers for them👍is that what a GDI is about?
First time knowing this .😁
Great engines,diabolical electrics throughout the rest of the car…they go wrong for fun…
it's a TDI-PD engine, discontinued due to lower efficiency, but they're quite reliable
my 2006 Touran has one like that, 1.9 TDI-PD BRU (engine code) – odometer reads 274746 Km
put VW 505.01 oil in it and that engine will outlast the chassis 😗
2.0TDI BKD Gets 60mpg done 185k love it.
Love your sense of humor. Have to be there to get some of it
Volkswagens PD system was a great system and pretty reliable. Expensive when something did go wrong but if you look after them it would be rare.
Get rid of that monster truck Ray. Grab a '15 Passat TDI, get 48 mpg and fly around Florida.
Interesting design!
Wife drives a 14 passat TDI. It has 198k on it and gets 45mph.
Great car. Interesting way to do the injection.
A monster engine that provided endless gobs of torque! I had one mated to a five speed manual. Still driving VW diesel today, this time 3.0 litre V6 in a Touareg. I haven't driven gas for years, the tourque these engines produce is too addictive to give up!
Thats why that engineering fails…
Over here, (over the pond ray) we have loads of old; 1.9tdis go forever. Sure they leak but you have to do something wrong for it to not go 250k+
360K on my 2002 Jetta TDI (ALH, the engine before this with injection pump)… everything was great… Immobilizer decided I shouldn't drive it anymore… that would be an interesting (infuriating) video.
Pumpe Düse 💪🏽
Cool!
I would still prefer the older VW diesel engines from the 80s because those you can add a waste veggie oil fuel tank to so you can drive on some free fryolator oil from your local Chinese or fast food restaurant.
PD engines are good mileage munchers but the 150ps was prone to adverse camshaft lobe wear resulting in black smoke, low power, lumpy idle.
My Golf GTI TDI PD150 25th Anniversary (ARL) was purchased in such condition.
I had a really fun diagnosis with that kind of engine,long cranking time when the engine is half warm and steady for several hours,after painful 3 days i realized that the O rings on injectors inside head are bad,i don't like that design
Isn’t that the reason VW was sued for falsifying their fuel economy results?
In a doo doo doo chamber. I just fell off the sofa laughing
Shame they don't/won't make these cars for the US anymore. Great cars, I have a 2014 as a daily driver 45+ mpg
Those pump dust VW diesels were great engines, as long as you used a very specific VW approved oil. If you didn't, the valve cam lobes would wear, because they had a narrow contact area. Valvoline made an approved oil, and there were some European oils also approved. The engines also had a chain driven balance shaftcsystem that could fail, and there was a gear driven replacement, or you could delete the balance shaft altogether.
I had one in a 2005 Passat wagon. It had a mild tune on it, and it had a lot of power. All the US Passat diesels were automatics, but I imported a Euro manual conversion, and it transformed the car. I wish I'd never sold it.
put 270,000 miles on a 98 TDI, averaged 48-50 MPH from day one until the day i traded it in.
its a unit injector. the sollenoid work to deliver a specific fuel charge instead of a rack like detriots. caterpillar had these back in the early eighties on the 3406 PEEK engines
I like this car. I should get one..
Nifty!
I hate it.way can't they keep it simple.I liked the old school air cooled 13 15 16 cc engines
I had a 2004 Jetta TDI (pumpe duse) that had nearly 300K miles before I sold it. Yes, have to use high caliber oil (a very specific VW 505.01). Stay on top of the oil changes and regular maintenance and you'll be fine. I loved the VW TDI community who's motto is "Drive more and worry less."
Look forward to the video!
The early days of diesel efi, and special VW software for the EPA.
They never recovered from that.
And Bosch warned them: Don't do it
Das auto rauchen ist verboten!
"VERY INTERESTING" another interesting engine was the Toyota with the broken cam. What happened to that??? Doo Dee Doo Dee Doo?