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-   S4 / RS4 (B5 Platform) Discussion (https://www.audiworld.com/forums/s4-rs4-b5-platform-discussion-6/)
-   -   Replaced F-hose (https://www.audiworld.com/forums/s4-rs4-b5-platform-discussion-6/replaced-f-hose-1412188/)

UnderPressure 09-01-2001 06:17 AM

Replaced F-hose
 
<center><img src="http://pictureposter.audiworld.com/11530/f-hose_sm.jpg"></center><p>My car felt low on power while at Watkins Glen, esecially in the upper gears during the last session. As my low fuel warning came on while pulling into the pits, I attributed it to fuel starvation. This seem to be confirmed by DTCs pointing to "EGT regulation limit reached" on both banks.
I filled her up with 94 octane, cleared the DTCs and went for a test drive. Problem is still there. At WOT in 4th and 5th, there is little torque after 4500 rpm accompanied by a hissing sound. I also experienced a drop throttle buck/surge. A new "charge pressure control postive deviation" DTC was set.
After checking around for loose hoses and clamps, I noticed oil residue in the area of the F-hose..AHA!!
Pulled out the weakling and there was a 1/4" tear in the area between the 2 arms of the F. Replaced with a Samco hose that I had lying around, cleared the DTC and I now have The Power back. :)
Installation was a PITA and gave me a backache. Since the passenger Forge BPV had to come out, I tested it and it is still smooth. It is the revised aluminium piston version.

"Heloise" MY01 6spd 07/00 build

LaserK04 09-01-2001 06:24 AM

I am about to finally install mine. Any tips?
 
Did you use standard screw-type clamps, or the OEM crimp style? It looks a little tight in there to fit anything but the OEM crimps.

LaserK04 09-01-2001 07:16 AM

Well, it wasn't that bad, 20 mins start to finish.......
 
Wonder what that run with the E46 would have been like WITHOUT a 1/2 in tear in that freakin' hose. :-)


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