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oil in coolant


Old 04-23-2007, 05:58 PM
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Default oil in coolant

My GF's '95 Escort is starting to get oil showing up in the coolant reserve tank, but NO coolant in the oil. It's a 1.9/5spd,156k mi. My first guess is bad head gasket, but before I pull the head, anybody got a better idea.
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Old 08-01-2007, 09:09 PM
Join Date: Nov 2006
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Default RE: oil in coolant

my grandfather used a coolant bottle that I filled with old motor oil, to top off his radiator. ooops. would your GF do such a thing...

someone once put steering fluid in my master brake cylinder. that sends your pedal to the floor, quite scary.

anyways. probably the head gasket, warped head? has it overheated?
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Old 08-02-2007, 06:53 AM
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Default RE: oil in coolant

Had a brother who's tranny fluid and coolant were swapped when his radiator failed internally on his automatic GMC Jimmy in 83'. Tranny oil is cooled via routing it through the radiator in its own sealed environment.
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Old 08-02-2007, 11:41 AM
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Default RE: oil in coolant

My GF doesn't put anything in the car except gas.It's an Escort and a woman drives it,of course it has overheated. It eats fan relays but she always trys to "make it homeso it's easier for you to fix".[:@]
I pressure checked the system(no leaks),flushed and refilled. So far no moreoil. I got no clue. Guess I'll just let her drive it and wait.
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Old 08-02-2007, 09:26 PM
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Default RE: oil in coolant

Probably the head gasket, I got a low mileage Neon that was doing the same thing. Pulled the head and found corrosion pits on head surface from where the coolant was never exchanged on 10 year old car. Pretty important to do so as it will become ery acidic. Element had a good idea, if only the car was not a 5 speed.
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Old 11-19-2018, 07:00 AM
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Location: Albertson, NY 11507
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Default Oil And Coolant Contamination

daddyblaize's Avatardaddyblaize , Today 01:27 AM
I've been slaving over a 2003 Windstar for months.... working every weekend to replace an engine with a salvaged engine transplanting bits from the old onto the salvaged engine. I freshened the newer engine with new timing set, oil pump, water pump and crank and cam sensors. After completing and test driving, the next day found milkshake on the dipstick. I suspected the front-cover gasket, so I'm removing and resealing. I'm recalling I bored out the crank snout while accidentally using the wrong sized harmonic puller--not badly enough that the harmonic bolt couldn't be used so I ignored it. I'm wondering if a slightly damaged crank snout could lend itself to such as oil/coolant contamination?
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