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West Point
The Library
6.4 Performance
Tech info, performance
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[QUOTE="Dzchey21, post: 7615, member: 63"] Injector Nozzle swap The nozzles are a mofo, i dont know if anyone told you about them but i will try and break it down Clamp the injector in the vise nozzle up. Remove the carbon dam washer from the nozzle Use a seal pick to get as much carbon off the nozzle as you can (brake cleaner and a wire brush work well too) Use a 15/16 box wrench to loosen the cup on the injector only turn about 1/8 of a turn Take a rubber mallet or a no bounce hammer and tap on the nozzle Continue turning another 1/8 and tap again This is a good time to tighten the cup and then loosen back to your 1/4 out Turn another 1/8 or so, The nozzle should be staying still on the injector, and the cup should spin freely around the nozzle Once you get about 1/2- 3/4 of a turn out, push down hard on the nozzle with your rubber mallet (two people work nice for this job) Keep pushing down on the nozzle untill the cup/nut is all the way off, now remove the nut Once you get it apart you will see why you DO NOT want the nozzle to turn on the injector. there are two dowels in the injector that hold the nozzle in place, and are spring loaded, that locate the fuel supply hole, if the nozzle turns in the cup it will break the dowels off and the injector is RUINED, so you will have to make a trip to the dealer and waste 300+ bucks to get a new one. Take your time, if you have to keep tightening and loosening the nut a couple times to make sure the nozzle has broke free from the cup. Assembly is pretty simple, nozzle goes on the injector body, cup goes over everything, push down on the nozzle as you hand tighten the cup, torque cup toe 50 ft/lbs INFO COMES FROM WHITE MONSTER: Well I managed to get all the injectors disassembled without breaking them, wasn't near as bad as i thought it was going to be. A big thanks goes out to Dustin(Dzchey21), without his step by step I would've had to make some phone calls. I took pics as I went along on one of the injectors, pics aren't great as I was using my iphone. looking at the nozzle from the tip and side, I alredy removed the carbon dam and I had also scraped the carbon around the nozzle base with a seal pick. [ATTACH=full]181294[/ATTACH] [ATTACH=full]181295[/ATTACH] Removal of the nozzle retaining body, it's on the anvil of the vice, alot of carbon dropped inside it so I will have to clean it out the tip of it later [ATTACH=full]181296[/ATTACH] Nozzle removed, you can see where Dustin was refering to the dowels possibly breaking during disassembly [ATTACH=full]181297[/ATTACH] this is the nozzle ontop of my wastegate housing, sorry for the crppy photo. A better photo will come of the new nozzles when they arrive. [ATTACH=full]181298[/ATTACH] [/QUOTE]
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