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  1. C

    2002 Ford Explorer 4.0 SOHC Low Oil Pressure

    I have some leaking around he lash adjusters on the drivers side. I put air in the oil passages and you can see it bubble but does not seem like it would cause the issue. I only checked the bearing clearances on the crank.
  2. C

    2002 Ford Explorer 4.0 SOHC Low Oil Pressure

    So, I tore the engine down and checked the bearing clearances again with plastigage. The only one I cannot check is the rear one since the trans is still installed. Main: #1 .0015 #2 .0015 #3 .0015 Rods front to back: .002 .0015 .002 .0015 .002 .0015
  3. C

    2002 Ford Explorer 4.0 SOHC Low Oil Pressure

    No, I didn't. yes, it is. I have all the photos of assembly uploaded on my website in high resolution. It's my personal car and I've been trying to figure this out since February. I've had other friends who own garages look at it too. It's probably something stupid...
  4. C

    2002 Ford Explorer 4.0 SOHC Low Oil Pressure

    Hi, I just rebuilt my 2002 ford explorer 4.0 SOHC engine at 180,000 miles. I replaced all the bearing, gaskets, oil pump, timing set. The main bearing clearances are .002, .002, .0015, .002. After the rebuild when hot oil pressure was dropping to 3psi at idle in gear. After replacing the pump...
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