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turbo help limp mode?

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Old Sep 13, 2010 | 01:18 PM
  #1  
dan121's Avatar
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Default replaced turbo now im lost

so i just installed a used turbo in my car runs like a dream now since my old one had a broke wastegate 0psi. this new used one went to about 10psi but its smoking like a forest fire there was oil in the housing which i cleaned up since his motor went out so i thought it was from the motor not the turbo i cleaned it best as i could but its definetly smoking and it wasnt before so should i leave it see if maybe it was just the oil i missed in the housing or is that too much to be residue...also sounds mean now but it also sounds like i have a blow off valve which i dont. i havent installed the lower part of the air box because i wanted to try it out before i installed everything back up could that be it? also at about 4k rpm my rpms keep climbing but i dont advance again didnt do that before is this the infamous limp mode and could it be because of the blow off valve sound again air filter or could it be my clutch got fried in one run lol also last thing i kepp breaking fan clutch blades plastic last time it punched a hole in my radiator this time i got lucky is this common or is it just me also is there a metal one i can purchase?
 

Last edited by dan121; Sep 13, 2010 at 03:36 PM.
Old Sep 13, 2010 | 03:00 PM
  #2  
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If your intake is missing, then your venting your dv. Not good, so put that all right asap. Does your turbo shaft wiggle at all? Also, your fan shouldnt be breaking. Either somethings kitting it, or its installed wrong
 
Old Sep 13, 2010 | 03:12 PM
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ok il install the intake and as for the fan its not hitting anything the bearing is good its not a wobbler and this is the third time but they last a long time its been a few months since last time
 
Old Sep 13, 2010 | 03:43 PM
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I'm not sure if this is possible, but did you put the fan on backwards?
 
Old Sep 13, 2010 | 04:51 PM
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no it blows towards the motor...by chance would you know what controls the boost psi my psi rocket to like just abit past 10 before going to limp mode.. checked all my hoses everything is hooked up right to the best of my knowledge...and keeps smoking i think the seals are bad
 
Old Sep 14, 2010 | 12:06 PM
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ok another 4hrs of work put back my old turbo and just swapped the wg no more smoke still overboosts and it sounds like i have a blow off valve still.....
 
Old Sep 15, 2010 | 11:14 AM
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Are you running a cone filter? Aftermarket intake?
 
Old Sep 15, 2010 | 12:43 PM
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no, bone stock fixed the over boost swapped the dv but i think it was on correctly because now it makes a weird noise when i let off the gas while boosting
 
Old Sep 16, 2010 | 11:18 AM
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ugghhh ok car ran really good besides backward dv boosted to 8 psi was out for a drive and while having some fun i noticed the psi dropped from 8 to 5psi and now it wont go past it checked for vaccum leak but came out good wtf i was so happy now maybe the waste gate came loose since i swapped it
 
Old Sep 21, 2010 | 09:46 PM
  #10  
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just fixed a boost leak it had but is the same no more then psi even swapped the hoses to turbo and wastegate used to launch me to 20 but now that too only goes to 5psi maybe n75
 
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