I have a1980 [cj5](/topics-cj5/) with a four cyl engine,I...


I have a1980 [cj5](/topics-cj5/) with a four cyl engine,I was changing the oil pressure sensor . when I pulled the sensor I had a good bit of anti freeze flow out of the block oi oil pressure sensor hole. I checked the dipstick an...

I have a1980 [cj5](/topics-cj5/) with a four cyl engine,I was changing the oil pressure sensor . when I pulled the sensor I had a good bit of anti freeze flow out of the block oi oil pressure sensor hole. I checked the dipstick and there appears to have no coolant in the oil however I found that the radiator was dry. The coolant coming from sensor was also clear. and I Have no idea where the coolant is going. I did change the oil about a couple of weeks back and did not see any signs of coolant. the engine runs fine and does not overheat and has good oil pressure. Any ideas mike heath Mechanic's Assistant: How old is your oil pump? Has the check engine light come on? It is the original and check engine light has not come on Mechanic's Assistant: What is the make/model/year of your car? 1980 Jeep Cj5 With 4cyl engine Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far? Nothing at this point I only discovered it today Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you? Idont think so

Automotive Expert
Good Morning , That doesn't sound right do you have a picture of the location of where the oil pressure sensor was ?

no but the mounting hole is at the top of the block near the fire wall
Automotive Expert
did antifreeze come out and then oil or just antifreeze ?
Automotive Expert
I'm having trouble confirming the location of the oil pressure switch , but i know on the 6 cylinder ones it is below the distributor and the temperature sensor is on the top of the head

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