Oil Pressure

[alexx]

just wondering what it should normally run at.

it sits on about 4 on start up, then drops to about 2 when the engine warms up.

my cars completly stock, im just not sure is thats right.

[Moodles2]

Yep perfectly normal

[blk94r33]

Yep perfectly normal

^+1

[ClutchBurndout-:(]

youll flip out when the guage starts to play up, somedays it shows normal, and somedays it shows half what it should be (aka 1 when idle, 2 or 3 when driving) just remember its just the guage.

mine does this

[alexx]

thanks guys

[defari]

sits on 4 at start up?

my stock gauge + greddy gauge goes up to about 6-7 at start up, then sits around 2-4 once warm enough.

[StealthX]

when you guys say 4, 6, 7 etc.. that's bar right?

my x-trail is a bit strange, I have almost 140 psi (9.6 bar) then down to 25psi (1.7 bar) when warm

Normal but strange.

[Moodles2]

kg/cm2, 1kg/cm2 is equal to about 14.2psi. Generally the colder the startup engine temperature, the higher the pressure before operating temperature is reached.

[defari]

cant remember what the stock gauge measurement is

the greddy gauge is in kPa.

kPa kilopascals x 0.145 = poundforce per square inch lbf/in2 i think

(someone correct me if im wrong)

[StealthX]

cant remember what the stock gauge measurement is

the greddy gauge is in kPa.

kPa kilopascals x 0.145 = poundforce per square inch lbf/in2 i think

(someone correct me if im wrong)

Yeah you is correct.

1 atmosphere = 0.98 bar

1 kg/cm2 = 0.98 bar

1 bar = 14.503 psi = 100kpa

1 psi = 6.89 kpa

[defari]

im assuming the op is referring to the stock gauge... I've heard mixed opinions that its not always accurate then again some have said the stock gauge is more accurate than aftermarket gauges.

[bubba]

im assuming the op is referring to the stock gauge... I've heard mixed opinions that its not always accurate then again some have said the stock gauge is more accurate than aftermarket gauges.

I call BS.

More accurate than some chinese POS maybe, but I would even trust one of those over the stock gauge.

[defari]

I call BS.

More accurate than some chinese POS maybe, but I would even trust one of those over the stock gauge.

yep fair enough, thats what i've read a few times / heard from a few people. I just go off my greddy gauge.

I have noticed that there is a slight difference between readings on the stock and aftermarket one..but its not a massive difference.

[blk94r33]

On the topic, are the stock gauges a one-piece assembly? Or does each gauge, ie fuel, temp, taco, speedo, oil pressure, have it's own self contained unit? Would like to change my stock oil, temp and taco for autometer items. Anyone done this? Time to take the cluster out I guess lol...

[bubba]

On the topic, are the stock gauges a one-piece assembly? Or does each gauge, ie fuel, temp, taco, speedo, oil pressure, have it's own self contained unit? Would like to change my stock oil, temp and taco for autometer items. Anyone done this? Time to take the cluster out I guess lol...

Don't think it could be done without a lot of hacking/cutting/etc.. get a cheap 2nd hand cluster and give it a bash heh

[Galois]

yeah the stock gauges are renowned for poor accuracy, after 130k km + whatever was taken off and 10-20 years the sender is going to be a bit rough. mine changes depending on the age of the oil, with idle going from 2-4 as the oil ages