Turbo Issues

[nerm]

hi guys,

i had my FMIC installed on tuesday and now whenever i hit full boost (10-11psi) the turbo emmits a really high pitched whine..

obviously the problems between the rb's and the 1j's will be different but the issues would definatly be similar with regards to turbos,

any and all information is much appriciated

cheers

nerm

[Bullet32]

Best case scenario - you have a boost leak somewhere, check all of your silicone joiners, hose clamps and vaccum hoses on the intercooler system. Tighten them all and make sure that they are all sealing perfectly.

Worst case scenario - your turbo is on the way out. When a turbo squeals on boost it usually means that the compressor fan is damaged.

Example:

[nerm]

im think (hoping) that it is just a leak somewhere in the piping. that might also explain why the boost only went up 1psi after adding the front mount, i didnt think the stock unit would have been that efficient.

[GTRKat]

I had no signs.... I just took off at the lights one day and the car spooled down faster than it spooled up and from there it just had absolutely no go whatsoever.

My ceramic exhaust wheel was found shattered into about a million pieces in the cat. Turns out the other turbo wasn't too far away.

Note to self, 20 year old stocky turbos don't like lots of boost

But turbos dying are a double edged sword. Bad cause it's expensive but awesome because you get more power!!!

[gfunkk]

bullet's post is pretty accurate, i recon its just a boost leak

a bearing went in my mates old turbo and it made a horrible grinding noise haha

[Sir Lord Van Von Vader'ham]

Also, you may find that one/some of the exhaust mani bolts are loose/broken. thats whats doin on mine atm.

[datto260Z]

I dunno about 1Js, but when I had a boost leak on the datto once, the engine ran like crap and blew lots of black smoke, are you getting these symptoms?

[nerm]

I dunno about 1Js, but when I had a boost leak on the datto once, the engine ran like crap and blew lots of black smoke, are you getting these symptoms?

seems to be running fine and i havent noticed any black smoke..

[race_snooze]

check for exhaust leaks before the turbo!!!

[Gus-]

i had a crappy bleed valve on mine...was making a really high pitch sound...when we took it off it stopped.

so id say check for a leak...

[rossco_01]

yeah it would be a leak as myn had the same thing after putting a boost controller on it turned out that the idiots at DTS but brass bolts on the zoorst housing to hold the turbo on i mean seriously wat idiots