2005 trailblazer has antifreeze in the oil


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2005 trailblazer has antifreeze in the oil

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OLman Woolenshirt
New User

Jan 6, 2012, 9:19 PM

Post #1 of 4 (2879 views)

2005 trailblazer has antifreeze in the oil	Sign In

yeh,after a happy breakfast I noticed a blub of brown inside the oil cap and on my dip stick of my 2005 chevy trailblazer,blew my mind.Coolant is clear in reservoir,,Running great, temp a lil high,,. temp had never been above 200 degrees.It has 120,000 mile on it, straight 6 cyclinders,4 wheel dr. Busted head gasket?

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jan 6, 2012, 11:23 PM

Post #2 of 4 (2842 views)

Re: 2005 trailblazer has antifreeze in the oil	Sign In

Head gasket would be highly suspect with that but test as much as possible before declaring it the issue. Temp running higher could be something else and oil may be excessive condensation if your climate is just right with temps and humidity but not usually on the dipstick also especially if on the bottom where you read the level,

T

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 7, 2012, 4:11 AM

Post #3 of 4 (2836 views)

Re: 2005 trailblazer has antifreeze in the oil	Sign In

Don't jump to conclusions. A few spots on a cap or dipstick would only be condensation. If you truly have coolant in the oil, the oil will turn to a milky sludge that you can't see through when spread on your finger.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 7, 2012, 9:00 AM

Post #4 of 4 (2828 views)

Re: 2005 trailblazer has antifreeze in the oil	Sign In

I agree with HT. Moisture in the crankcase turns to steam as the engine block gets hot and rises to the top of the engine. Just so happens the oil cap and dipstick tube is usually the highest points in the crankcase. If you haven't changed your oil in a long time, probably wouldn't be a bad idea to. The moisture that gathers in the crankcase can become acidic. If you do short drives, you should change your oil more often.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Jan 7, 2012, 9:00 AM)

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