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oil in radiator Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting cdasdata New User Dec 5, 2006, 7:37 AM Post #1 of 4 (1810 views) oil in radiator Sign In any ideas on how I can verify if its the oil cooler in the radiator leaking, before I swap it out. I have a 88 4X4 4.3, that has oil in the radiator, and I pulled all the plugs and didn't see any whitness marks indicating head gasket Tom Greenleaf Ultimate Carjunky / Moderator Dec 5, 2006, 10:31 AM Post #2 of 4 (1807 views) Re: oil in radiator Sign In First off what kind of vehicle is this? Engine oil coolers are usually separate from cooling system. Auto transmissions do use the radiator in many vehicles and can be the cause, T cdasdata New User Dec 5, 2006, 10:47 AM Post #3 of 4 (1805 views) Re: oil in radiator Sign In Tom, Its a chevy 1988 S-10 4x4 Blazer, 4.3 motor Tom Greenleaf Ultimate Carjunky / Moderator Dec 5, 2006, 11:04 AM Post #4 of 4 (1804 views) Re: oil in radiator Sign In I thought that is what it would be. Depending on certain options it should use the radiator to cool ATF. If it was ordered new with a HD cooling package that might have been separate also which kind of leaves a head gasket or flaw in the engine in some way. Perhaps if you pressure test the radiator you might find coolant going the other way but those engines were pretty good at lasting a long time without strange problems like this, T   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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