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Showing results for tags 'boost leak'.
Spent the afternoon under the front N/S corner of the 04 Cayenne Turbo, looking to replace the seals on the boost hoses and dump valve. When unclipping the bottom turbo hose from the intercooler, I was stunned to find at least 1/4 litre of oil pour out of the hose onto the floor. In all my years, I've never taken a hose off a turbo and seen that much oil. Has anyone else on here taken the hose off the bottom of the intercooler on the N/S (Drivers side US & Europe, Passenger side UK) and experenced it full of oil? I'm worried about the state of the oil seals on the N/S turbo.
Need your guys help & expertise please I've been trying to find the cause of the P0299 underboost code for a while now and after randomly stabbing in the dark by changing intercooler, Y-piece, hoses, N75 valve, I read a really good post on here (in the 996 section) about pressure testing. I've spent the last few weeks, getting a gauge, schrader valve, fittings, and various sizes of hose so I can T into the lines of the turbo system (it was the offside turbo to bottom of the N75 I actually Tee'd into) and yesterday, tried to test the system using my compressor. The more I think abou