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How-To: Install Oil Press gauge sensor to/with OEM Oil Sender

23890 Views 11 Replies 5 Participants Last post by  Dragonsys
I posted this in my other post, First couple mods the Cruze. But this seems a better place for it.

Auto part Fuel line Engine Vehicle Pipe

This is in response to a message I got. If anyone is curious on where to place a "T" connection for the Oil Press gauge here it is. Circled in orange is the oil filter housing. At the base of that housing is the OEM Oil Sending Unit( Red Arrow). Without the "T", picture it in place of the "T". Remove the OEM Oil Sending Unit( I believe a 7/8 deep socket, 6 point preferred) and place the "T" connection. Please use thread tape to help prevent leaks. I got my "T" from, it's a 3 way splitter. The best way to do this is with the GlowShift pressure unit to be facing straight out like in the picture and with the OEM unit where it is in the pic. If either of them are on the bottom near the exhaust manifold, the heat could likely destroy either sensor. Be sure to put the heat absorbent cover back on the OEM sensor connector( Blue Arrow), a must do. If you don't, it could cause future problems down the road. If you don't put the OEM sensor back on at all, the engine is likely not to start or will start then shut off. If anyone needs better picture(s), let me know and I'll do my best to get them. If you need any additional info, I'll be glad to help you out.
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My advice to this, is to use an actual thread sealant not teflon tape, and if possble, use a steel adaptor or t-fitting. I used a brass fitting for my first OP install years ago, and teflon tape, and the sender was not grounding right. It was sending incorrect numbers making me think OP was low. I changed to a steel T fitting, and used a thread locker/sealant. Have not had any issues sense then.
Where did you get the adapter & sealant?
I got the fitting from a local hardware store. I think it was an electrical "conduit" instead of a brass plumbing adaptor. The sealant was either the GM engine build sealant, or permatex #px59214. I cant remember which one. But I made sure I had everything I needed, "built" the adaptor, and let the sealant settle over night, then installed it in the car the next day, and let it set for a day before driving.
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