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2004 Pacifica coolant oil mix. 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 Once in a while New User May 13, 2018, 11:02 AM Post #1 of 3 (2139 views) 2004 Pacifica coolant oil mix. Sign In Hello everyone I’m new to the forum but not new to auto repair. However I do have a situation that I’d like to reach out for some help and advice. This will invoke a 2004 Chrysler Pacifica 3.5L V6 with 170 k miles. First off this car hasn’t given many problems until now. Everything seemed to be working well and one day after running some errands and returning home. My left again and within less than a mile drone our house she stopped and called to tell me she was hearing the engine knocking. As I checked the car over I found coolant mixed in the oil. And indeed the engine was knocking. Before this situation it had never ran hot or had any other signs this was going to happen. We have replaced the vehicle. And now we have a 16 year old that I was thinking about trying to get this car back on the road for him to use. I know we may be looking at a rebuild. But I was going to try to patch this one first before going that rout. What do I have to loose right? So my questions are. What would be the best method to tell how the coolant got into the oil. This will have to be fixed before I go any further. And my plan is to find the failed rod bearing causing the knock and replace it by dropping the oil pan. Any tips on locating the bad bearing? I know this may be a long shot but I’ve seen some pretty crazy things in my lifetime. Any advice or help is appreciated. Tom Greenleaf Ultimate Carjunky / Moderator May 13, 2018, 11:35 AM Post #2 of 3 (2132 views) Re: 2004 Pacifica coolant oil mix. Sign In IDK but would try still run it another time and cancel cylinders one at a time the bad one if only one should stop the noise or maybe make it worse. This is engine oil as far as you know? IMO - if all mixed to a thick goo now I doubt this would end the problem, be the only one or only problem. Another bet is that it's been doing this for some time and miles just went without noticing it? T Hammer Time Ultimate Carjunky / Moderator May 13, 2018, 3:09 PM Post #3 of 3 (2126 views) Re: 2004 Pacifica coolant oil mix. Sign In If I were you i wouldn't even attempt to repair this. You have 2 different issues now. First the coolant and then the damage done by the coolant. The coolant problem alone could be very serious and hard to diagnose. You could have cracked heads among many other possibilities. The damage done to the lower end could be very severe. Just because you can hear one bad journal, you likely have a lot more damage than that up to and including cylinder walls and crankshaft. If you are determined to put this back on the road, a used engine would be the only sensible solution. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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.   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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