Texan01
Well-Known Member
- Joined
- November 16, 2001
- Messages
- 736
- Reaction score
- 0
- City, State
- Dallas, TX
- Year, Model & Trim Level
- 1995 Explorer XLT
What's the acceptable oil pressure for the OHV 4.0?
Mine with 250k miles on it hits about 55psi @ 2,000 rpm hot and between 15-20psi at idle hot. Cold it hovers around 60psi until it warms up. According to the book and everything else I've read it's dead-on spec, but I'm just curious.
It rattles a bit on start-up but I've found a worn-out rocker arm causing that. No mysterious noises otherwise.
Otherwise it runs cool and quiet.
Mine with 250k miles on it hits about 55psi @ 2,000 rpm hot and between 15-20psi at idle hot. Cold it hovers around 60psi until it warms up. According to the book and everything else I've read it's dead-on spec, but I'm just curious.
It rattles a bit on start-up but I've found a worn-out rocker arm causing that. No mysterious noises otherwise.
Otherwise it runs cool and quiet.