Question about 1995 Toyota Land Cruiser

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97 Land Cruiser Oil Leak,Rear Seal?

Engine cleaned,valve cover,oil pan,and transmission pan tightened. When at idle after several minutes oil starts slowly dripping from the bottom of the rear case where it is joined to the transmission. Fluid is oil not transmission fluid. Engine has 200k,but has been maintained and problem free.If rear seal is the culprit any idea of $ to repair? Thanks in advance for your wisdom. Kevin

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  • Anonymous Mar 25, 2014

    hit a log on the road and it dented in the side of the pan causing all the fluid to leak out, easy fix???

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Sounds like your lower gasket is shot, and while under pressure its slowly leaking through a cracked gasket try getting gasket sealent and put on seal crack let it sit for a day or 2 it should obsorb in and fix the gasket that should probably do the trick

Posted on Dec 29, 2008

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How do i change the oil pan on a 2007 ford f150 4.2L v6?


4.2L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
    WARNING
    During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.
  2. Raise and safely support the vehicle.
  3. Remove the starter.
  4. Drain the engine oil. Install the drain plug when finished.
  5. Remove the 4 bolts and the crossmember.
  6. Remove the 3 oil pan-to-transmission bolts.
  7. Remove the 17 bolts and the oil pan.
  8. Remove and discard the oil pan rear seal.
To install:

WARNING
Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths. Use silicone gasket remover and a plastic scraping tool to remove all traces of old sealant. Follow the directions on the packaging.
  1. Clean the gasket mating surfaces using silicone gasket remover, a plastic scraping tool and metal surface prep. Follow the directions on the packaging.
    NOTE
    If the oil pan is not secured within 4 minutes, the sealant must be removed and the sealing areas cleaned. To clean the sealing area, use silicone gasket remover and metal surface prep. Follow the directions on the packaging. Failure to follow this procedure can cause future oil leakage.
  2. Apply silicone gasket and sealant to the oil pan sealing areas shown and install the oil pan rear seal.
  3. Apply silicone gasket and sealant to the rear main bearing cap.
  4. Install the oil pan rear seal.
  5. Apply a bead of silicone gasket and sealant to the oil pan mating surface.
  6. Position the oil pan and install the bolts. Tighten the bolts in the sequence shown. Tighten to 10 Nm (89 inch lbs.).
  7. Install the 3 oil pan-to-transmission bolts. Tighten to 34 Nm (25 ft. lbs).
  8. Install the starter.
  9. Position the crossmember and install the 4 bolts. Tighten to 90 Nm (66 ft. lbs.).


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Feb 15, 2016 | Ford Cars & Trucks

1 Answer

How do i change out the oil pan?


4.2L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
    WARNING
    During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.
  2. Raise and safely support the vehicle.
  3. Remove the starter.
  4. Drain the engine oil. Install the drain plug when finished.
  5. Remove the 4 bolts and the crossmember.
  6. Remove the 3 oil pan-to-transmission bolts.
  7. Remove the 17 bolts and the oil pan.
  8. Remove and discard the oil pan rear seal.
To install:

WARNING
Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths. Use silicone gasket remover and a plastic scraping tool to remove all traces of old sealant. Follow the directions on the packaging.
  1. Clean the gasket mating surfaces using silicone gasket remover, a plastic scraping tool and metal surface prep. Follow the directions on the packaging.
    NOTE
    If the oil pan is not secured within 4 minutes, the sealant must be removed and the sealing areas cleaned. To clean the sealing area, use silicone gasket remover and metal surface prep. Follow the directions on the packaging. Failure to follow this procedure can cause future oil leakage.
  2. Apply silicone gasket and sealant to the oil pan sealing areas shown and install the oil pan rear seal.
  3. Apply silicone gasket and sealant to the rear main bearing cap.
  4. Install the oil pan rear seal.
  5. Apply a bead of silicone gasket and sealant to the oil pan mating surface.
  6. Position the oil pan and install the bolts. Tighten the bolts in the sequence shown. Tighten to 10 Nm (89 inch lbs.).
  7. Install the 3 oil pan-to-transmission bolts. Tighten to 34 Nm (25 ft. lbs).
  8. Install the starter.
  9. Position the crossmember and install the 4 bolts. Tighten to 90 Nm (66 ft. lbs.).

change-out-oil-pan-v0gljzlk4qz3gwg3khr1r5p1-2-0.gif

Feb 15, 2016 | Cars & Trucks

3 Answers

Oil leak between oil pan and transmission.


Try running some of that high-mileage engine oil next time you do an oil change (it helps to swell engine seals slightly). If the problem clears up or is reduced, then it's likely that the rear main oil seal is starting to leak a little. The rubber seals will harden up and shrink a little with age.
I would also powerwash the entire area clean, so that way any leak will be easier to monitor and pinpoint.

Feb 24, 2013 | 1999 Chevrolet Silverado 1500

1 Answer

Change Spark Plugs but engine starts to leak oil


??? Sounds purely coincidental... You may want to look at where the oil is coming from and fix that issue. Oil pan, Oil filter, oil cooler, oil sending unit, intake manifold, valve covers, rear seal....

Jun 11, 2012 | 2002 Land Rover Freelander

2 Answers

Leaking oil on right side of motor.


The crankshaft oils seals are known to leak after approx 100,000 miles. The Harmonic Balancer (fan belt pulley) end of the engine will have lots of oil and road grit around the oil pan, air conditioning compressor, power steering pump and other area in the engine bay due to wind spread. This seal can be replace without removing the engine. Remove the harmonic balancer bolt and use a pulley puller. If the seal mating surface is grooved replace the balancer too or the new seal will fail soon.

The transmission "bell housing" will weep oil and or trans fluid if the rear crankshaft seal or the transmission seal develops a leak. This seal is much larger than the front seal so it lasts longer and need replacing less often. The transmission will need to be removed from the car to reach these seals.

The oil pan is sealed with silicone engine sealant and will dry out and leak also. Sometimes the leak looks like it is the front or rear seal (pulley or transmission end of engine) but it may be the oil pan leaking and dripping into the pressure plate inspection plate or the pulley. The oil pan can be removed and resealed without removing the engine or transmission but it is a little tricky. Dropping the engine's under brace and exhaust pipe is recommended. Additional engine/transmission support is needed to do that.

While you are under the car look near the oil filter. Above and forward (toward the fan belt is forward) and see if there is oil dripping from the oil pressure sending unit wire. It will leak into the electrical connector. Squeeze it and see if oil seeps out. If so replace the sending unit. It looks kind of like a spark plug screwed into the block.

Near the oil filter you will see the power steering pump mounted to the side of the pulley end of the engine and it is over the right CV drive axle and has several hoses connected. One larger hose is a none pressure hose that gravity feeds the pump from the fluid reservoir mounted above it on the passenger side wheel well in the engine bay. This hose eventually leaks and drips power steering fluid everywhere! It is a molded hose from the dealer parts dept. and relatively easy to replace. Messy but do-able.



Now the top side of the engine. The valve cover has a rubber gasket that shrinks over time in that hot engine bay. Take a Phillips head screw driver is see how loose the screws holding it are. Really loose hu? You can tighten them but you should replace it because it shrunk and that makes the screws loose.

You will need some silicone engine sealant each side of the distributor bridge at the driver's side of the cover. Get a manual to make sure you tighten those screws in the correct order.



Distributor "O"ring seal can leak. Two 12MM bolts to remove it and put a new "O"ring on and you are set. Mark the Distributor's position to the bridge bracket BEFORE you loosen those screws. Line it back up to the marks so you don't mess up the timing and reset the timing after is even better.

Jun 26, 2011 | 1996 Nissan Sentra

2 Answers

Have oil leak not heavy, but it leaks any answer were it could be coming from..


Valve Covers, Head Gaskets, Oil Pan Seal and a number of other spots. You'll need to clean the motor with Gunk Engine cleaner and then look for the largest build ups of oil and crud to get a better idea where it is.

Feb 15, 2011 | 1997 Mercury Villager

1 Answer

Rear engine oil leak....


Oil leak can be attributed to several factors.
1. Gasket failure.
2. Uncontrolled Crank case pressure Failure.

RECOMENDATION:
Tighten both the valve cover and oil pan bolts.
Replace the Positive Crankcase Ventilation Valve and vacuum line.,

INFO: PCV
This is a valve causes a negative vacuum on the engine while its running, As to say if it had a leak in a valve cover it should not be leaking while its running, only when the engine it turned off.

Hope this tip guides you in the correct direction to solve this problem.

R/
David

Mar 05, 2010 | 2001 Nissan Frontier Crew Cab

3 Answers

1984 F150 302 Had oil pan gasket and both valve cover gaskets


you have several points to check!
the dip stick tube has a "O" ring seal at the bottom where it fits to tranny.
a reverse switch on tranny & the shifters selector shaft has a seal that may be leaking !
there are the cooler pipes from cooler to tranny [in & out] plus pump seal to the torque converter [leaks out between engine & tranny bellhousing] & then there are the drive shaft or shafts seals
so wipe it all clean & park it in a diffrent clean spot!
some will only leak when its runnung due to tranny,s internal pressure!

Jul 20, 2009 | 1984 Ford F 150

1 Answer

I am looking to buy a 1994 Toyota land cruiser. IT looks like there is a small oil leaks and a transmission fluid leak. The oil leak could be either an oil pan leak, rear seal, or valve covers. The...


Could be quite costly. Especially the rear main seal on the engine. You have to take the trans out to even get to it. I would look for something else with less problems to buy.

Jun 02, 2009 | Toyota Land Cruiser Cars & Trucks

2 Answers

Oil leak


Two very likely sources for engine oil. You could have a valve cover leaking or a rear main seal. The best way to check is to trace the source of the oil. This requires a very thorough steam cleaning to remove all the old oil. Place an oil dye pack in the oil (about 3.50 at Napa and other parts stores). Run the engine for about 15 minutes and use a blacklight source and a mirror to check the back of the engine below the valve covers and closest to the firewall. Check out how the fresh oil floureces in the blacklight source by checking your dipstick for the color of the glow. If the back of the engine is dry and clean and your puddle is still glowing from between the engine and the transmission, you have a rear main seal and the transmission will need to be removed to change the seal. Spend the time on the diagnosis before you spend the money.

Jan 03, 2009 | 2002 Nissan Frontier Crew Cab

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