auxiliary oil cooler for PD engines

hello

I want to install an additional oil cooler on my Audi. PD engines have different oil filters, so does anyone know of any suppliers that make adapters for them? The standard heat exchanger also has a cover on the bottom that can be removed; does anyone know if you can use the standard kits (like the ones that fit in 1Z or Golf 2 engines) there?

Best regards, Christian.

Take a look at www.isa-racing.de; you'll probably find something there!

I'm familiar with companies like Isa Racing and Sandtler, among others. However, I can't find anywhere that specifies whether any of their adapters are compatible with a PD (Pumpe Duese) engine. When I call companies, I only end up talking to people who don't know anything. That's why I'm trying here; maybe someone here has experience with this.

best regards, christian

Hello Audi 80 TDI.

Yes, that is possible! Remove the water-oil cooler and connect the hoses.
Instead of using a water-oil cooler, verschandeln the oil cooler thermostat housing (flange), making sure the bolt isn't too long and has a full thread. Often, the thread is only present at the ends. I used a different bolt with a full thread and a shorter length! I also reused the cover from the water-oil cooler with a new gasket. That's it! Now, just need to install the oil cooler and the lines. The oil cooler thermostat housing is from a 1.6 TD, for example. "The JX motor also fits in my friend's PD engine!"

Mine is from the company. Racmex

"In my Bully, I have a 19-row oil cooler installed. When driving up a very steep hill in Portugal, fully loaded, in second gear and with the accelerator fully pressed, my oil temperature never exceeds 110 degrees Celsius, despite the lack of airflow. It is cooled by the radiator fan."

Hello.

"What temperature (in Celsius) were you getting before with the water-oil cooling system? I'm planning to get my ARL Golf 4 TDI chipped, and since cooling shouldn't be overlooked, I've also been considering adding an auxiliary oil cooler." In what situations is water-oil cooling not better than air cooling?

Sure, here's the translation:

"MFG" is an abbreviation for "Mit freundlichen Grüßen," which translates to "Sincerely" or "Best regards" in English.

"Before, with the original JX oil cooler, I had temperatures of 140°C at 120 km/h and 150-160°C at full load. When going uphill, the temperature reached 170°C. Since I installed this 19-row air oil cooler, I've never seen temperatures above 110°C, usually it's around 85-90°C. As you can see, it made a huge difference for me!" Furthermore, the oil consumption has also decreased!

Yes, that is possible! Remove the water-oil cooler and connect the hoses.
Instead of using a water-oil cooler, verschandeln the oil cooler thermostat housing (flange), making sure the woodruff key isn't too long and has a full thread. Often, the thread is only present at the ends. I used a different woodruff key with a full thread and a shorter length! Replace the water-oil cooler cover with a new gasket, and it's ready! Now, just install the oil cooler and lines. Oil cooler thermostat housing from a 1.6 TD, for example. 'The JX motor also fits in my friend's PD engine!'


With the significant disadvantage that the oil will then heat up much more slowly.

I would suggest removing the screw cap and cutting through the hollow bolt in the center. Then, a suitable piece of pipe is inserted in between, and the whole thing is welded together with a centering bolt in the middle (bevel the welding points slightly beforehand). After that, use a coarse or flap disc to grind away the excess weld bead (overhang) and verschandeln the surface.

Hello.

"That's obvious; without a thermostat, it won't work because the oil won't get warm enough. If you do it, you should keep the water-oil cooler and also install an additional oil cooler with a thermostat that opens at around 80°C." In my opinion, the water-oil cooler also has the advantage that the water can, for example, warm up the oil in the winter.

I'm also wondering if there's a type of adapter available here that already has the thermostat built in, which could be screwed onto the bottom of the oil cooler (I think there's a blanking cap there), and then the hoses to the oil cooler would connect to it. So, the water-oil cooling system should still be functioning, right?

Sure, here's the translation:

"MFG" is an abbreviation for "Mit freundlichen Grüßen," which translates to "Sincerely" or "Best regards" in English.

That's obvious; without a thermostat, it won't work because the oil won't get warm. If so, the water-oil cooling system should be retained, and an additional oil cooler with a thermostat should be installed, which opens at approximately 80°C. In my opinion, the water-oil cooler also has the advantage that the water can also warm up the oil, for example, in the winter.


If it wasn't understood, but that's exactly what I meant .

I'm also looking for information here about whether there might be something like an adapter, or a similar device, where the thermostat is already built-in, which you could potentially screw onto the bottom of the water-oil cooler (I think there's a blank cap there), and then the hoses to the oil cooler would connect to it. So, the water-oil cooling system should still be functioning, right?


Yes, there is a suitable option available for the Opel CIH engines that includes an integrated thermostat. I don't have the part number memorized, but I can write it down for you when I get home. You just need to remind me a few times, otherwise I'll forget .

Hello,
There's an adapter available from the Golf parts shelf. I made the modification described below years ago (this modification likely applies to vehicles up to the model years where the filter is located under the oil-water heat exchanger).
You will need:
1. Oil-air heat exchanger from the Volkswagen Golf 1 GTI or GTI Cabrio.
2. the corresponding oil filter connection head.

a) The original connector head is removed, and the hollow tube used for mounting the oil-water heat exchanger and oil filter is disassembled.
b) This hollow tube is installed into the GTI connection head in place of the shorter connection tube that is normally fitted there.
c) The modified connector head is installed in the vehicle, and the oil-water heat exchanger and oil filter are reattached.
d) Now things get tricky: you need to find a suitable location for the oil-air heat exchanger and connect it to the connection head using appropriate oil lines. I had a Golf-1 GTI back then, so I didn't have any problems with this part, but things are obviously different today.
e) Because the GTI filter head contains a thermostat, quickly warming up the engine oil after a cold start is not a problem!

Okay, please provide the German text you would like me to translate into English. I will only provide the translation.

1. Oil-air heat exchanger from the Golf 1 GTI or GTI Cabrio.
2. the corresponding oil filter connection fitting.


And now, explain to us how you plan to mount the oil filter holder for metal-free applications on PD engines .

The Opel version is located between the adapter block and the oil filter on older TDs and TDIs, and on newer models, it's located between the cover and the oil cooler, provided the hollow bolt is extended accordingly.

Hello Nebelwerfer-TDI.
I don't want to explain this, and I didn't even promise to.

'Quote'
(The renovation will likely extend back to the construction years, to the point where the filter is located beneath the oil-water heat exchanger).
'The quick brown fox jumps over the lazy dog.'

I stand by that.

If that's not possible with a PD (Personal Data), that's a shame. I don't have a PD, so I can't really assess that.

Okay, please provide the German text you would like me to translate into English. I will only provide the translation.

Quote
(The renovation will likely extend back to the construction years, where the filter is located beneath the oil-water heat exchanger.)
'The quick brown fox jumps over the lazy dog.'


Oh, I see - I must have missed that, as I was completely focused on 'PD' because of the thread title.

Hello.

Yes, I also have a PD TDI.

Sure, here's the translation:

"MFG" is an abbreviation for "Mit freundlichen Grüßen," which translates to "Sincerely" or "Best regards" in English.

Hello.

Okay, I checked my car's air filter housing, and where there's usually a blank cap, there are about 15cm thick fins attached. And the cover is located at the bottom of these fins. Is this cooling system already a more powerful version?

Sure, here's the translation:

"MFg" translates to "Best regards" or "Sincerely" in English. It's a common abbreviation used in formal correspondence.