Question about Nissan Altima

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Nisson altima 2.5 motor leaking oilfront seal/oil pump? best way to find and repair, in car

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  • james laughton
    james laughton Dec 30, 2016

    Hi Leslie Ahola, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?
    What year is it

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  • 106 Answers

I have replaced this in a 2004. Open hood and remove serpentine belt. Jack up passenger side of car, put a jack stand under car and remove wheel. Remove plastic liner that covers oil filter. I believe it's a 19 mm bolt that holds the crankshaft pulley on. You will need an impact wrench to remove. (Other methods shown online are unsafe) Remove crankshaft pulley with a puller and you will now be able to remove the crank seal. Remember to lube the inside of the new seal when installing so as not to damage it. Install reverse of removal.

Posted on Sep 24, 2017

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Posted on Jan 02, 2017

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SOURCE: 2000 Mitsubishi Galant, EA3A 2.4l motor. Oil leal

don't use 20w50 that is too heavy an oil for that motor. the most i would use is like a 10w40 and that is a last resort. your valves need adjusting or the hydraulic lash adjusters may be gunked up. there is a chemical called auto-rx (search web) that could help you out. just follow the directions for it. the only other oil seals i can think of are oil pan gasket, oil filter gasket, rear main seal, valve cover gasket.

Posted on May 30, 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

  • 3600 Answers

SOURCE: rear main seal

I have done many the transmisson has to come out to replace it but your price is way out of line, should not be more than $400.00 give me a zip and I can get you a certified shop that can do it for less with a warrenty.

Posted on Aug 08, 2009

  • 1 Answer

SOURCE: oil leak problem with 1996 toyota camry

I am going to see a mechanic - my trusted mechanic who does not nickel and dime me - to see what this is. I have the same problem and he told me he has never done this job on a Camry and is unsure. Given the miles, he has suggested that maybe it is time to part ways with the car. I am going to ask him if he will put some florescent dye in it and let me drive it for 50-100 mi and then check to see where the leak is and fix it. Let you know what happens. I have to try, the car is solid.

Posted on Aug 15, 2009

  • 1 Answer

SOURCE: oil leak in my 98 mazda protege

Could be a rear main seal.

Posted on Feb 01, 2010

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1 Answer

Where is my leak coming from?


Juan, Oil could be leaking from a lot of different location, places to start looking are oil pressure switch, valve cover gasket, timing cover/crank seal, oil pan gasket, etc. Engine may have to be washed down to locate leak. Have a good tech. scan vehicle for trouble codes, diagnose why car dose not run and estimate repair. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
Oil Leak Possibilities
96 altima gxe 2 4 with oil leaking from somewhere
Oil leak 01 and every other nissan ve owned

Aug 15, 2016 | 2001 Nissan Altima

Tip

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

1 Answer

Oil is leaking behind crank seal on a 2000 nissan altima looks like the oil pump but it is new.


you may have a crack or uneven matting surface allowing oil to escape under pressure.

Feb 15, 2015 | 2000 Nissan Altima

2 Answers

2008 Altima


Usually the oil rings are gone in the engine & it will have to be removed for a major repair. However, it could be the valve seals (minor job) or a sticking /stuck PCV valve. Take to a garage & show him this answer.

Aug 31, 2014 | 2008 Nissan Altima

1 Answer

How to find and repair oil leaks in front of motor?


Ok ralph first off clean motor with engine brite found at any auto parts stores
next recommendation add oil base dye to motor oil allow to run for 30 min to circulate dye useing a uv lamp or black light and inspect front cover most cases the front seal is themost likely source of leaks due to contant revolutions on front main seal
in order to repar suspected seal total dissasembly of timing cover will have to be removed in some models the front main bearing journal will have to be removed as well.
upon removal of timing coverbinspect front mail seal race / face for burnishing of the crank seal face. Dirt an debri cut into the crank
you will have to order the front seal repair kit
consists of front seal and stainless steel wear ring wich is glued in with epoxcy
reassemble front timing cover gaskets an sealer may be needed once all the parts are reassembled run for 15 m7n an check for leaks
its also possible that the oil pan gasket could be leaking as well
install dye to find leak is the best course of action first

Jun 22, 2014 | 2003 Chevrolet Impala

2 Answers

I have 1994 bluebird nissan altima with oil leak in transmission side.What posssible causes of it?


The Rear Main Seal is the main area for an Oil Leak on the Transmission Side. You will need to drop the transmission to remove the old rear main seal and install the new one.

Mar 05, 2011 | 1994 Nissan Altima

1 Answer

ON 2002 ALTIMA 2.5 I FOUND OIL IN ONE TUBE WHERE SPARK PLUG IS WHAT SEAL ON VALVE COVER OR PLUG TOP SEAL WOULD CAUSE THIS...CAR DOES NOT LEAK OR BURN OIL AT ALL


I would try snugging down all the valve cover bolts before replacing anything. A valve cover gasket kit should have the grommets and gaskets necessary to repair this if you find no loose bolts.

Sep 27, 2009 | 2002 Nissan Altima

1 Answer

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.

Jun 16, 2009 | 2000 Nissan Altima

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