Oil pump replacement in 4.0 - any hints?
Today, on my way to the movies I've notices that my oil pressure dropped down to 20psi when idling. And the engine started to make some sound, which (forgive me my English) I would call chirping. Like I have small bird in the engine, somewhere in the middle (between 3rd and 4th cylinder) definitely on the right side.
As the pressure wasn't to high before (around 38psi when hot comparing to my XJ's 42 at hot) I suspect that my oil pump is dying.
a) Is my diagnose right? or is there something else going bad in those engines?
b) Is there anything I should be aware of before I'll take the old one out? Anything to check while I have oil pan down?
92 XJ Laredo Mods: bored TB, 3" lift, 1-ton steering
93 ZJ Limited Mods: bored TB, K&N insert, e-fan; prothane bushings, NP242J, 3" lift, 1-ton steering; Atlas winch
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