RB25 oil pump bad? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

1990 240sx Rb25 · 08-13-2013, 10:00 PM

Recently my rb25 has a oil light come on after the car warms up to idle I get a low oil light that comes on. Anything over 1000rpms it's goes away. I do not have a gauge to check bit I did a test at idle and I'm only getting 10-12 psi very low. From wat I was looking at its has to be over 20psi. I also sent an oil sample out to make sure nothing wrong internally. I no that rb25 oil pumps are know to go. Anyone with knowledge or a suggestion message me thanks .

Jez · 08-13-2013, 10:13 PM

Get a gauge hooked up before you presume anything.
Pretty sure idle pressure with warm oil would be within spec at 10-12 psi, it is on SR's, get a gauge.

1990 240sx Rb25 · 08-13-2013, 10:19 PM

I need to get a gauge we have one hooked up at idle but nothing to see when driving and it's Normal for it to be that low could it be a bad sensor?

Jez · 08-13-2013, 10:27 PM

I had a R32 with a rb20, same symptoms as you, I was unlucky and the pump was toast.
Yes it could be a sensor gone bad, get a gauge and go from there.

1990 240sx Rb25 · 08-13-2013, 10:28 PM

Ok will do thanks

Biggamehit · 08-13-2013, 10:30 PM

Sucks broski if you looking for one I got a cheap Oil pump for sale from one of my RB25s if you need it.

1990 240sx Rb25 · 08-14-2013, 11:19 AM

Price and miles?

redline racer510 · 08-14-2013, 10:18 PM

Don't assume anything. get a gauge, check your pressure after car is fully warmed up then go from there.

08-13-2013, 10:00 PM	#1
1990 240sx Rb25 Leaky Injector Join Date: Feb 2013 Location: Enfield CT Age: 34 Posts: 87 Trader Rating: (0) Feedback Score: 0 reviews	RB25 oil pump bad? Recently my rb25 has a oil light come on after the car warms up to idle I get a low oil light that comes on. Anything over 1000rpms it's goes away. I do not have a gauge to check bit I did a test at idle and I'm only getting 10-12 psi very low. From wat I was looking at its has to be over 20psi. I also sent an oil sample out to make sure nothing wrong internally. I no that rb25 oil pumps are know to go. Anyone with knowledge or a suggestion message me thanks .

08-13-2013, 10:30 PM	#6
Biggamehit Zilvia Addict Join Date: Jan 2005 Location: Misawa Japan Age: 41 Posts: 713 Trader Rating: (11) Feedback Score: 11 reviews	Sucks broski if you looking for one I got a cheap Oil pump for sale from one of my RB25s if you need it. __________________ Facebook: Pink Ranger Drift

08-14-2013, 10:18 PM	#8
redline racer510 Zilvia FREAK! Join Date: Dec 2007 Location: EARFF(earth for you idiots) Posts: 1,072 Trader Rating: (1) Feedback Score: 1 reviews	Don't assume anything. get a gauge, check your pressure after car is fully warmed up then go from there. __________________ WARNING: User has a low tolerance for stupidity. Post at your own risk.

08-13-2013, 10:13 PM	#2
Jez Zilvia Member Join Date: Mar 2011 Location: Lethbridge, AB Age: 49 Posts: 267 Trader Rating: (8) Feedback Score: 8 reviews	Get a gauge hooked up before you presume anything. Pretty sure idle pressure with warm oil would be within spec at 10-12 psi, it is on SR's, get a gauge.

08-13-2013, 10:19 PM	#3
1990 240sx Rb25 Leaky Injector Join Date: Feb 2013 Location: Enfield CT Age: 34 Posts: 87 Trader Rating: (0) Feedback Score: 0 reviews	I need to get a gauge we have one hooked up at idle but nothing to see when driving and it's Normal for it to be that low could it be a bad sensor?

08-13-2013, 10:27 PM	#4
Jez Zilvia Member Join Date: Mar 2011 Location: Lethbridge, AB Age: 49 Posts: 267 Trader Rating: (8) Feedback Score: 8 reviews	I had a R32 with a rb20, same symptoms as you, I was unlucky and the pump was toast. Yes it could be a sensor gone bad, get a gauge and go from there.

08-13-2013, 10:28 PM	#5
1990 240sx Rb25 Leaky Injector Join Date: Feb 2013 Location: Enfield CT Age: 34 Posts: 87 Trader Rating: (0) Feedback Score: 0 reviews	Ok will do thanks

08-14-2013, 11:19 AM	#7
1990 240sx Rb25 Leaky Injector Join Date: Feb 2013 Location: Enfield CT Age: 34 Posts: 87 Trader Rating: (0) Feedback Score: 0 reviews	Price and miles?