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Where is oil pressure sending unit?? 700 1989

posted by  someguyfromMaryland on  Sun Mar 31 04:59 CST 2002
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last visit: Thu Feb 8 05:22 CST 2007
[RELATED]

Others have correctly id'd location. Sensor is a plastic unit crimped into a metal (can't remember is steel or Al) housing. Don't bother testing the switch, just replace it. Mine was the cause of a leak that took forever to find. Idle oil pressure wouldn't cause leakage. Normal running oil pressure would cause bad leak, enough to make it hard to id. So after several cycles of cleaning and looking, then driving the car around and losing lots of oil, I had to actually crawl under the car and have wifey rev the engine with me under the car. (Is that love or what? I trust her.) Only then could I pinpoint the leak.

Point is that the plastic insert design isn't the most robust. On a 1989 700, you may as well replace, then check for light and move on to other causes if still having problem.

HTH,

someguyfromMaryland






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