New Bosch Intercooler Pump

oldghost · 2026-09-06T19:54:05-0400

Hey all! Today I installed the upgraded Bosch IC pump. It was relatively easy and what I found as the biggest bit&h was the wheel well cover that needed to be completely removed to have good access to the IC pump. So many stupid little nuts to remove...but it's done.
I noticed that on the original pump, there was this 2" curved rubber hose coming out the back of the pump; I figured maybe a weeping port or something. The newer Bosch pump does not have this little rubber hose, just a metal pin about 1" in its place. Was I supposed to put it on the new pump?
Anyone know why the difference in design? Just curious...

Bagpype · 2026-09-07T07:57:34-0400

Can you post a link to the pump you bought? It might be helpful for those with the knowledge you’re after to see the pump.

oldghost · 2026-09-07T12:23:10-0400

I bought the new Bosch 0392022010KT (picture attached of the rear of the pump with arrow pointing to the little pin. On the original pump, it had a little 2" curved piece of rubber hose in its place.

fritzwis · 2026-09-08T09:53:38-0400

I too replaced my pump. Just looked at the old one. It has a projecting tube where the pin is on the new pump. I was able to stick a piece of wire far down into the pump through that tube. I don't remember if there was a rubber hose on it or not. If so I evidently didn't save it. I don't know the function of the tube. If the pin is solid on the new pump there would seem to be no need to attach a rubber hose. Sorry that I don't remember more...

New Bosch Intercooler Pump

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