Question about Hyundai Motor 2002 Elantra

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Oil leaking middle front park of motor, leaking from a sensor, next to exhaust

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Oil sensor replace use teflon tape when you install new sensor

Posted on May 31, 2009

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Posted on Jan 02, 2017

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I smell burnt oil and the back top of the engine is wet but it is not use ing any oil


for sure engine leak oil (what about 1/2 on the road)
and for sure if said leak , travels by wind or gravity, lands on the
exhaust PARTS, it will smoke and burn.
fix leak, stop burn.

Jan 22, 2014 | 2011 Honda CR-V 2.2i

1 Answer

Theres a smell of gear oil in the cab when driving.What could it be?


(1) motor oil only smells when its being burned.
(2) the output of the air ducts is in front of the gear shift area.
So, I'm thinking that you have an oil leak in the engine compartment (which may be dripping onto the exhaust system), and the oil has found a hot part of the engine/exhaust, and the smell of heated oil is wafting through the cabin air filter into the passenger compartment through the air ducts in the middle of the dash to just above the gear shift area.
If my theory is correct, you should be able to re-route the burned oil odor by changing the setting of your air ducts by changing the setting from its current setting to a "defrost-type" setting, wherein air entering the passenger compartment comes from the ducts below the windshield, rather then entering through the openings at the center of the console.
Ultimately, your fix will be to locate and resolve the oil leak.

Here's your list of possible culprits for the 1997 Nissan Pathfinder

Priority Action Part Type Cause
1 Inspect - Valve Cover Gasket -- Valve Cover Gasket Leaking Oil.
2 Inspect - Oil Filler Cap -- Oil Filler Cap Damaged or Missing.
3 Inspect - PCV Valve -- Plugged or Damaged PCV Valve.
4 Inspect - Oil Pan Gasket -- Leaking Oil Pan Gasket.
5 Inspect - Head Gasket -- Leaking Head Gasket.
6 Inspect - Oil Pump - divided O-ring or Oil Pump Gasket

If the odor really is gear oil (aka transmission fluid) and not motor oil, then there's a leak coming from the automatic transmission/manual transaxle.
Look under the transmission after the car has been parked awhile, and look for a reddish oil spot/blot/pool. transmission fluid is dyed red just for the purpose of differentiation from other automotive lubricants. You can assist the process of color differentiation by putting newspaper under the vehicle once it's been parked for the night.
Placing enough newspaper may also keep your Pathfinder from depositing a nearly-impossible-to-remove oil stain onto your garage floor overnight.
If you already have an oil stain on the floor, try a spray can of engine degreaser first. Citrus degreaser next.

Oct 20, 2011 | 1997 Nissan Pathfinder

1 Answer

Leaky transmission fluid. possible reasons?


TRANSMISSION LEAKS COME FROM TRANSMISSION OIL PAN GASKET LEAKING.OIL COOLERS LINES LEAKING.LEAKING AT TORQUE CONVERTER FRONT SEAL.TRANSMISSION SPEED SENSOR SEAL LEAKING.FRONT AXLE SEALS LEAKING AND LEAKING AT TRANSMISSION COOLING LINES TO RADIATOR.CHECK ALL YOU WILL FIND LEAK.IF YOU HAVE FAST LEAK OR PRESSURE LEAK.WITH CAR RUNNING IN PARK EMERGENCY BRAKE APPLIED LOOK UNDER CAR IF YOU SEE FLUID LEAKING OUT IN LARGE QUANITIES.COOLER LINES LEAKING OR TORQUE CONVERTER FRONT SEAL LEAKING.IF YOU HAVE SLOW LEAK THE LEAKS HAS TO BE AXLES SEALS OR PAN GASKET LEAKING OR VSS SENSOR SEAL LEAKING.

Aug 03, 2010 | 1998 Pontiac Bonneville

2 Answers

Have a oil leak around engine


Have your valve seals checked, Mits is back on valve seals leaking and burning oil.

Jul 06, 2010 | 1997 Mitsubishi Galant

1 Answer

Oil leak


Park on clean spot to see if it is an external leak!If it is leaking you can by dye that you add in oil and buy special uv flashlight from parts house,run for a few miles then check!Oil also maybe coming out of your exhaust pipe(burning)check PCV valve(make sure isnt plugged)test motor compression(make sure it is good)Check Valve stem seals,and intake gasket!!!Hope this helps!!!

Jun 20, 2009 | 1999 Saturn SL

1 Answer

Serious Oil leak while running


The oil pressure sensor is likely leaking. The tops of them break off due to the heat from the exhaust manifold. Luckily its on the front so the exhaust manifold isnt that hard to loosen up so that you can get in there to replace the sensor. I would fix this ASAP as it is a serious fire hazard.

Apr 10, 2009 | 1994 Oldsmobile Achieva Special Edition

1 Answer

Oil leak across front of car under front motor?


You really need to have a good look under it around the Exhaust pipe run. Usually this means putting it up on ramps.

I think for ease of diagnosis - go to a small garage and ask them for a quote for repair. Once it's on the ramps - have a look yourself.
If you think their quote is too high - get a second opinion, or if you are competent enough - do the work yourself. At least you will hopefully find the problem for free.

It can be as easy as a leak around a screw-on oil filter, or as complicated as a failed main crank seal - which often requires engine removal and splitting the gearbox off it.
Best to get a free quote anyway.

Feb 04, 2009 | 2002 Oldsmobile Aurora

2 Answers

Slight oil leak appears to be coming from oil sensor


Replace the Sensor. You should not need to Change the Oil unless it needs it. Just tighten Finger Tight and 1/2 Turn with Wrench too assure no Leaks occur.

Jan 19, 2009 | 2000 Buick Park Avenue

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