I am in the process of putting a rebuilt engine in a friends '85 380SE. I was very careful to mark and catagorize all parts pulled from the old long block to transfer to the rebuilt one. I seem to be missing (I think!!!) a temp sensor that goes in the right (passenger side) cyl head, at back of the head, right close to the heater hose pipe on the block. This tapped hole in the head goes into the water jacket of the cyl head. I don't know if a sensor or a block off plug goes into this hole. I think that I might have left it in the head when it went to Metric Motors for the rebuild but I am not sure. It is NOT like me to lose parts like this.
Can someone please tell me if a sensor or a plug goes into this hole for this particular year and model??
If it is a sensor, What one is it and would you have the part number?
Thanks in advance for the help and I am thankful for this site. Chris

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My Truck.. 2007 DODGE, 5.9 Cummins, 6spd stick, 4X4. My car..1977 240D, OTHER WHEELS...1955 VW Oval window bug, European Delivery (Holland) with a 1700cc, 2 barrel, Porsche drum brakes. 1939 WILLYS Pick-up. 1967 Triumph 200cc Tiger Cub. 1976 Honda 550F 4cyl Motor Cycle.

definately a sensor, the US models had a temperature sensor where you indicated, I have no idea of the part number, to my knowledge only the front sensor next to the thermostat housing indicates the gauge reading

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1994 Ford Taurus SHO
1999 Kawasaki Ninja ZX9R

Have you accounted for the idling control switch?(not the idle control valve). Somewhere near to your description, I believe. Part # 005 545 73 24. I could be wrong here , so offering only as a part to check.

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The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)

jbaj007, Thanks... you are correct on the # of the sensor. I think that I accidently left the sensor in the motor when it went to the rebuilder. I just wasn't sure that the '85 took that sensor. I ordered a new one. Thanks again, Chris

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My Truck.. 2007 DODGE, 5.9 Cummins, 6spd stick, 4X4. My car..1977 240D, OTHER WHEELS...1955 VW Oval window bug, European Delivery (Holland) with a 1700cc, 2 barrel, Porsche drum brakes. 1939 WILLYS Pick-up. 1967 Triumph 200cc Tiger Cub. 1976 Honda 550F 4cyl Motor Cycle.