Question about 2009 Nissan Altima 2.5 S

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I have a 2009 Nissan Altima 2.5s engine is a 2.5liter i have a really bad oil leak on the back side of engine how do i remove the intake from this engine?

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Have you checked the valve cover? You shouldn't have an oil leak from the intake.

Posted on Apr 21, 2015

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Posted on Jan 02, 2017

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SOURCE: Ford Windstar oil leak

I had the same problem. It was very simple; the oil filter had developed a leak, and needed to be replaced. Cheap. Worked perfectly.

Posted on Oct 25, 2008

  • 43 Answers

SOURCE: remove driver's side door panel on 2002 nissan altima

Removal instructions are available with images and step by step directions,

Posted on Nov 13, 2008

  • 85 Answers

SOURCE: i have a 2002 nissan altima 2.5L with an oil leak

If you are talking about the spot being black on concrete or the oil on the bottom of the engine?
Oil loves dirt also depending on the type of filter you are using will determine the color or how clean your oil is. I recommend using WIX they are not cheap but they do work. After a couple of oil changes you will notice your oil will not appear so black. The black is deposits in the oil.I also recommend using a good brand name oil that won't break down and changing every 3000mi.

Posted on May 01, 2009

  • 8 Answers

SOURCE: Nissan Altima 2000 - Engine oil leaking problem.

replace the front oil seal. first i would clean the engine with purple power (degrease etc.) then look at the engine and make sure the leak is not coming from above like possibly the valve cover gasket or from the oil sending unit. try to tighten the bolts on the valve cover and even the oil pan. you never know, you may get lucky. i don't know where you are but front seals are cheap but the labor on the job is what costs you.

Posted on Jun 16, 2009

  • 21 Answers

SOURCE: Nissan altima 94 engine dies out and stops randomly

the distibutor on these models are notorious for going out and then working again more than likely your problem

Posted on Aug 05, 2009

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Dec 13, 2015 | Nissan Cars & Trucks


Troubleshooting oil leaks on Nissan Altima

    Your Altima uses a variety of different oils to lubricate various components. Normally, these oils won't leak. But when you do find a leak, you will almost always need to have extensive work done on your Altima to correct the problem. However, before you can replace anything, you need to know what kind of oil it is
    Check for brown or black oil leaking on the ground or on the side of the engine. This is engine oil. It lubricates critical engine components. A leak means that an engine seal has failed and needs to be replaced

    Check for red oil. Red oil is trans fluid. On your Altima, it most likely means that you have a rear main seal on the transmission that has failed. However, any seal on the transmission is possible. Transmission leaks need to be fixed immediately. A transmission can fail catastrophically in 20 minutes of driving if there is insufficient oil in the transmission

    Check for amber or brown oil leaking from your trans. This is transmission gear oil found only on the manual version of the Nissan Altima.

on Mar 03, 2011 | Nissan Altima Cars & Trucks

2 Answers

My oil cooler on my 2009 Nissan Altima 2.5s engine size 2.5 is leaking bad what should i do?

Remove it and take it to a radiator repairer to get it fixed, or fit a new are second hand one.

Apr 10, 2015 | Nissan Cars & Trucks

1 Answer

I have oil leaking above the oil filter about half way up engine on back side what could it be?

I would guess valve our cylinder head gasket. Valve cover will be easy, cylinder head you will need some experience.

Apr 11, 2013 | 2009 Nissan Altima

2 Answers

Turned on 2009 altima was flashing oil pressure then oil fillter flashing warning had oil and filter changed 3 days ago ck oil it was fine turned off car what may be the problrm

sometimes the service technician fails to remove the old oil filter gasket. This causes a leak at the oil filter. This would cause a leak which would lead to low oil pressure and loss of oil. You would have to remove the oil filter and check for an extra gasket. Or perhaps the oil filter was never tightened. If you find one then just remove it and re-install oil filter. You will, however, leak a couple cups of oil so have a drip pan ready. You may have damaged your engine if you ran with no/low oil pressure for any length of time.

Feb 04, 2011 | 2009 Nissan Altima

1 Answer


knock sensor is located just above the oil filter. you need to get under the car to see it. IAC valve is located on r/h side of engine that one is very hard to desribe as far as its location. its kinda onder the upper intake so you cant really see it. its on the underside of the intake manifold on r/h side on the back of the cylinder head. you should see small green connector going to it. the connector has 2 wires goin to it. you will also see a flat head screwdriver slot, that is for you to put your screwdriver into it to adjust base idle. good luck.

Dec 08, 2010 | 1998 Nissan Altima

1 Answer

My 2002 nissan altima started shakeing really bad a the oil fall from under it

sounds to me like you need a new engine. most likely your connecting rod caame through the oil pan or the side of the engine. i think that your engine is toast.seen it before.

Feb 23, 2010 | 2002 Nissan Altima

1 Answer

Where is the knock sensor located on an 03 nissan altima

Hello and thank you for using FixYa!

The knock sensor is located on the back side of the engine block by the oil pressure switch, under the intake, but accessible from underneath the car.

Thanks Jay!

Jul 10, 2009 | 2003 Nissan Altima

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