Quote:
Originally Posted by d5sport
Been messing about today, found a small leak
There is a 90 degree pipe just under the sump which comes off the turbo, one of the jupilee clips has a small screw in it (not sure why?) but it was leaking badly out of there could'nt get the screw to seal so tryed a slightly bigger one and works, no leaks
also made a device to pressure test the intercooler, tested it to 20 psi, had no leaks
now its all back together there is a bit more of a kick through the gears, but there is still a Pssssss noise as the turbo builds up pressure in high gears, is this normal on D5's??
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It shouldnt be "normal" in the sense that diesel turbo's dont use dumpvalve's on the chargeair side.
Now you excluded/leaks in the charge-air side maybe there is a small leak in the exhaust system wich creates the sound