Low boost, where do I start?
Senior User
Joined: Feb 2007
Posts: 360
Likes: 1
Shaft play. Remove the inlet tube from the turbo, exposing the compressor wheel. Grab the center of the wheel, not blades and try up down and back forth motions. You might get a very little movement which is norm, but should be a lot. If you can here it moving, you need to rebuild (EASY!)
Passenger side up-pipe. To actually remove it, you'll have to remove the down pipe, I believe. I believe you can replace the gasket it with it still in the truck, just lowered down in position. Use some extensions (long) with a swivel type socket (it's either a 8mm or 10mm) and have someone help you guide it up on to the bolts from the drivers side (both underneath the truck) over the transmission housing. Someone with long skinny arms (this was my job). The ratcheter has to go through the frame/body area. One bolt is a PITA, but you can do it from underneath. Expect to cut, torch, cuss the lower bolts too. By far, not the most fun job I've done, but it is capable of being done. I will warn also, whoever helps you with this will never help you again!
Passenger side up-pipe. To actually remove it, you'll have to remove the down pipe, I believe. I believe you can replace the gasket it with it still in the truck, just lowered down in position. Use some extensions (long) with a swivel type socket (it's either a 8mm or 10mm) and have someone help you guide it up on to the bolts from the drivers side (both underneath the truck) over the transmission housing. Someone with long skinny arms (this was my job). The ratcheter has to go through the frame/body area. One bolt is a PITA, but you can do it from underneath. Expect to cut, torch, cuss the lower bolts too. By far, not the most fun job I've done, but it is capable of being done. I will warn also, whoever helps you with this will never help you again!
Senior User
Joined: Mar 2007
Posts: 473
Likes: 3
From: Issaquah, WA
Break you left arm between the wrist and the elbow and grow second elbow. Remove right thumb and install opposite left thumb....
lol getting at those pipes w/o removing the turbo. I heard tell you might be able to get at them by removing the tire and wheel well plastic, but I took the other route. If the donuts are leaking they have most likely scored the pipe and you will need to replace the whole pipe. If you have $350 lieing around you might want to search the forum for information on bellowed up-pipes. They will permanantly fix this ongoing design problem.
lol getting at those pipes w/o removing the turbo. I heard tell you might be able to get at them by removing the tire and wheel well plastic, but I took the other route. If the donuts are leaking they have most likely scored the pipe and you will need to replace the whole pipe. If you have $350 lieing around you might want to search the forum for information on bellowed up-pipes. They will permanantly fix this ongoing design problem.
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Senior User
Joined: May 2007
Posts: 425
Likes: 0
Well I removed all 6 boots and cleaned them and the pipes up really good, also checked the compressor wheel for any movement and it feels nice and tight. I tested it and it still hits exactly 22psi. I also checked the up-pipes again and the leak is very minimal so I dunno where the boost could be going but I'd like to get it up to around 25ish...
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