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13th September 2013, 07:22 PM
#1
White mist, oil splatter Blow-by?
My08 3.0crd GU, 121,000+ kms. purchased just over a month ago.
Popped the oil filler cap off my engine. there was a fair bit of pressure, enough to bounce the filler cap around inside the moulding.
Once removed there was a constant stream of white mist coming from the fill point.
Holding my hand above the hole (2-3cm) left it wet with oil.
Possibly related:
- oil may have been overfilled at last service. Dipstick shows a reading 50% above high notch.
- also found a bit of oil on the intake side (bug side) of my air filter. It's like an oil smudge that's developed since it's last change. Unsure when this was.
- oil seeping from where the turbo connects to the intercooler.
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13th September 2013 07:22 PM
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13th September 2013, 07:24 PM
#2
Travelling Podologist
Suggest you dump some oil to get it to the correct level & then see if problem persists.
2006 4.2TDi ex-Telstra Remote area Camper. 425w roof mounted solar, 360Ah Aux batts, BCDC1240, Onboard hot & cold pressurised & filtered water, (25 litre hot water calorifier), ARB fridge, ARB freezer, Built in kitchen, heaps of easy access storage, 240v, 3” Genie exhaust + dynotune, 2” lift, 3900kg GVM upgrade, second glovebox, ROH Blaktrak steel wheels, Bridgestone D697's (now Toyo RT's), Redarc gauges/pillarpod, Hema HX-1, Icom 450 CB, dual rear view cameras, Onboard 30amp Victron mains charger, second glovebox, dual seat conversion, TPMS, Boss PX7 onboard air with 9 litre tank, 350w inverter, Steel bullbar, Harrop Eaton diff lock (front), Warn winch, Snorkel, Dual spares , 160 litre water tank, 180 litre fuel in two tanks (approx 1200km range) 2010 Tvan Tanami. (incl another 70 litre water tank) with matching wheels/tyres (& 3rd spare)
A Nomadic Life (Blog)
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13th September 2013, 07:31 PM
#3
Thanks mate. Could a high oil level cause white the mist and pressure?
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13th September 2013, 07:32 PM
#4
Smart like tractor
96 GQ coil/Cab
08 G6eT
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The Following User Says Thank You to Ben-e-boy For This Useful Post:
Money-fishing (13th September 2013)
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13th September 2013, 07:36 PM
#5
Originally Posted by
Ben-e-boy
Yes. Long story short
Feel free to go for a long story if you have the time. Trying to learn everything I can
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13th September 2013, 08:12 PM
#6
Smart like tractor
If your crank case is over full it will cause extra pressure when it heats up, that extra pressure will force it out through the crank case vent, into your intake,then out the exhaust if there is more pressure than crank case vent can vent it can force through seals, gaskets, the dip stick........ shake a bottle of coke before opening it
It can also take power from the motor due to the crank seeing increased resistance from the extra oil it has to go though, this is known as parasitic drag, this is why people knife edge crankshfts to reduce parasitic drag, increasing power and engine responce.
96 GQ coil/Cab
08 G6eT
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The Following 2 Users Say Thank You to Ben-e-boy For This Useful Post:
BigRAWesty (13th September 2013), Money-fishing (13th September 2013)
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13th September 2013, 08:40 PM
#7
You are a gun Ben. Thank you for the long tail version. It really helps when you can see the bigger picture. Looks like an oil change is on the cards for tomorrow arvo.
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13th September 2013, 10:37 PM
#8
Patrol God
Originally Posted by
Ben-e-boy
If your crank case is over full it will cause extra pressure when it heats up, that extra pressure will force it out through the crank case vent, into your intake,then out the exhaust if there is more pressure than crank case vent can vent it can force through seals, gaskets, the dip stick........ shake a bottle of coke before opening it
It can also take power from the motor due to the crank seeing increased resistance from the extra oil it has to go though, this is known as parasitic drag, this is why people knife edge crankshfts to reduce parasitic drag, increasing power and engine responce.
This man knows his shoit.. How awesome would it be to have you as a local mechanic.. Lol... I'm serious though..
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14th September 2013, 01:20 AM
#9
Patrol God
Originally Posted by
Westy's Accessories
This man knows his shoit.. How awesome would it be to have you as a local mechanic.. Lol... I'm serious though..
Yeah he's not bad for a sparky. Also Ben-e touches on the heat thing it is amplified when over full as the fluid retains the heat more as well.
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The Following User Says Thank You to nissannewby For This Useful Post:
BigRAWesty (14th September 2013)
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14th September 2013, 08:01 AM
#10
Legendary
I am fairly sure it says in the manual to be careful not to overfill it, as this can cause issues.
Having said that, you will get a fair bit of oil spraying around, as the cams are just under the rocker cover ........ don't stick your fingers in ...... You will have oil flying around with any OHC engine.
Mic
GU PATROL 2011 Ti, with goodies...
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