4doorpowa

been driving for over a year and car just started to smoke a lil bit ONLY really at idle like greyish smoke smells like oil uring i checked my charge piping for oil i didnt see any so i think turbo is good, i guess its pistion rings or valve seals??

Thompson32479

Mine smokes also at idle more white than grey but did you check your coolant level and oil level??

4doorpowa

yes both are good im getting ready to just get another swap for 600 not to bad i guess

Turbo-LS

iTrader: (4)

if it smokes at idle the oil is going into the turbine housing or into the exhaust port chambers. are you running an oil restrictor?

4doorpowa

yes have the restrictor its been running fine for so long i really think its seals or somthing

Turbo-LS

iTrader: (4)

pull the DP off and look inside see if oily, if not pull turbo manifold off and check valve seals

Car have a crankcase ventilation system? aka catch can

4doorpowa

NO catch can and no oil in the Downpipe exhaust port one looks a little black around it

Bartman201

sounds like turbo oil seals are bad, look at your turbo to see if it has shaft play. you can also do a compression test.

4doorpowa

i think turbo is good no shaft play and no oil in charge downpipe

Bartman201

did you checked all the vac lines and the pcv system, bad pcv can cause smoke. I had the same issue. turbo had minimal shaft play, a friend told me check the charge pipes for oil nothing. same guy told me just replace the turbo so i did and that was it. when i took a closer look at the turbo it had shaft play but not up and down, the play was when i pull on the turbine. hope this helps you..

TheShodan

iTrader: (14)

Not if there isn't any oil in the turbine housing and oil splayed on the attached downpipe. This looks to be more of a cylinder head issue, not a turbocharger one. Sealing rings don't just lose tension suddenly, without showing other symptoms.

90sedan

x2.

This is more than likely a valve seal/guide issue. Remove your manifold and inspect the valve stems for any oil seepage.

Thompson32479

Seems like seals. Is it happening during shifts also?

Turbo-LS

iTrader: (4)

no proper crankcase ventilation + boost = seal failure after a while

TheShodan

iTrader: (14)

That's at extreme pressures, not with what this person is doing. Hell, many of us didn't have catchcans or vented valvecover until 2007. Way before then there wasn't anything we didn't have these issues associated with ring seals, and that was after years of abuse.

Turbo-LS

iTrader: (4)

Oh i know its in extreme cases but it also depends on how healthy th motor is and milage etc. as to how well an oil seal can put up with extra crankcase pressure. IMO

TheShodan

iTrader: (14)

Those sealing rings can take quite a bit of punishment as long as the user has been up to par with his maintanence. (i.e. Regular oil change intervals to prevent contamination, and not shutting down the engine hot, without allowing the turbo to cool, which could cause hot oil to coke and clog and distort the turbine shaft.

Other than that, it sounds, (once again) like something in the engine is the problem.

4doorpowa

yea new engine time i will just have to smoke everyone out for a month whiles i get sum parts

Turbo-LS

iTrader: (4)

Im agreeing with you Mac, thats its something in the engine and not the turbo.

fcluddington

A quick test you can do is a compression test. Cylinder pressure numbers would be good to know.

4doorpowa

yes i need to get them just to be sure thanks for the help guys