Head Gasket
More Turbo
Joined: Apr 2007
Posts: 562
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From: YYC
is it white residue on your cap?
if so clean the cap...and take your truck for a 5-10 minute drive....check cap....residue should be there.......now wipe again and take it for about a 30 min drive....and drive it hard!!......then check cap....whats the result?...if its a clean cap...you got nothing to worry about!
the reason the residue forms is becuase the filler neck is so far up from the valve cover...and in short drives condensation forms.
THNX
Duggy
if so clean the cap...and take your truck for a 5-10 minute drive....check cap....residue should be there.......now wipe again and take it for about a 30 min drive....and drive it hard!!......then check cap....whats the result?...if its a clean cap...you got nothing to worry about!
the reason the residue forms is becuase the filler neck is so far up from the valve cover...and in short drives condensation forms.
THNX
Duggy
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Joined: Dec 2001
Posts: 22,436
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From: Louisville,Ky.
That is usually a sign of short trips not letting the oil heat up enough to burn of any condensation and or a bad PCV valve not evecuating the system properly. If there is no sign of milky residue on the dipstick, then you just need to take it on a long drive to get things good and hot inside the engine.
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From: South Florida
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Cargo Master
Joined: Aug 2002
Posts: 2,013
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From: Cajun Country
As I stated in another post I think your bearings are bad from coolant leaking into the oil! 
Get a UOA to determine this! They only cost $15-$20! Call your local Caterpillar dealer or any tractor company! Look under "Lubricants" in the yellow pages!
Get a UOA to determine this! They only cost $15-$20! Call your local Caterpillar dealer or any tractor company! Look under "Lubricants" in the yellow pages!
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Joined: Aug 2002
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From: Cajun Country
Originally Posted by Black97F150v6
Would it make my 6 cylinder sound like a diesel?
Are you having to add coolant or is the tank low?
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