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1997~2012 Ford V6~4.0L~SOHC Engines, factory equipped, have an OilPressureSwitch on the FrontLeftSide.<br>
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Factory stock 1997~2012 Ford V6~4.0L~SOHC Engines have an OilPressureSwitch on the FrontLeftSide.<br>
   
 
The 1997~2012 Ford V6~4.0L~SOHC has an OilPressureSwitch located on the FrontLeftSide of the Engine.<br>
 
The 1997~2012 Ford V6~4.0L~SOHC has an OilPressureSwitch located on the FrontLeftSide of the Engine.<br>

Revision as of 07:43, 3 September 2021

Factory stock 1997~2012 Ford V6~4.0L~SOHC Engines have an OilPressureSwitch on the FrontLeftSide.

The 1997~2012 Ford V6~4.0L~SOHC has an OilPressureSwitch located on the FrontLeftSide of the Engine.
This V6~4.0L~SOHC has an OilPressureSwitch only, not a true VariableSensor; it toggles Off~On at 6~8psi;
despite appearance the InstrumentCluster OilPressureNeedle is Off~On only; it is not a true VariableGage.

EngineColdStart Procedure

If V6~4.0L~SOHC Engine hasn't run for 12 hours or longer, this EngineColdStart routine is recommended
for general PreLub of the Engine critical components & specificly to PrePressurize the TimingTensioners.

  • Turn Key To RUN Not START, Let InstrumentCluster Lamp+BuzzerTest Complete
  • Push+Hold GasPedal To Floor, InstrumentCluster OilPressureNeedle Should Be At Zero
  • Turn Key To START, Let Engine CRANK Without Starting Until OilPressureNeedle Moves Or ~10secs
  • Let Key SpringReturn To RUN, Engine CRANK Should Stop
  • Release GasPedal, Turn Key To START; When Engine STARTS, Let Key SpringReturn To RUN
  • OilPressureNeedle Should Quickly Rise+Hold At MidGage Position

Links To Related Info

Thanks go to the brave souls who've preceded me in similar adventures & freely shared their experience:

http://youtu.be/Q7Vj85Ioj48?t=1
http://youtu.be/3_aEd-AaNOM?t=23
http://youtu.be/p4ZlOwzbOWM?t=1
http://youtu.be/alHgRzCSJKI?t=4
http://web.archive.org/web/20200425104211/http://autodiyonline.com/ford-diys/ford-explorer-diys/ford-explorer-1995-2003-sport-oil-pressure-sensor-diy
https://www.explorerforum.com/forums/threads/pre-oiler-to-save-timing-chain-guides.377315 PreOiler
https://www.explorerforum.com/forums/threads/dont-buy-this-pre-oiler.484187/#post-3808999and PreOiler
https://www.explorerforum.com/forums/threads/2001-ford-explorer-sporttrac-oilpressurized-timing-tensioners-replaced.488855/page-2 PreOiler Piping+Wiring
https://www.explorerforum.com/forums/threads/timing-chain-rattle-resolution-process-sohc-v6.278100/page-3#post-3508792