Low Oil Pressure Advice Jeep 4.0

Joined
Oct 10, 2017
Messages
725
Location
Northeastern Vermont
Originally Posted by KCJeep
It's a Jeep 4.0, get concerned if it isn't noisy! grin2
Agree KC. If my 2002 TJ was dead quite i would worry something was wrong and sell it. smile2
 
Joined
Mar 29, 2018
Messages
57
Location
WA
The 4.0 in my 87 Comanche is at 220k miles and idles at around 25-30 psi hot and 30-40 under throttle with 10w-40 with a moderate RMS leak to boot frown It is relatively quiet besides an intermittent lifter tick that comes and goes it does it less when warmed up.
 
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