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Oil leaking out of exahast manifold on Mitsubishi Montero

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  • Cars & Trucks Master
  • 76,846 Answers

Are you sure it isn't the valve cover leaking on the exhaust? I doubt the exhaust would leak oil Have it pressure washed and rechecked.

Posted on Nov 06, 2012

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 60K Service

I have just changed the plugs on my 2002 Shogun (UK) didn't have to remove the manifold only the throttle body and top half of the air filter housing. Disconnect wiring from throttle assembly, disconnect wiring from air filter, remove throttle body by removing 4 bolts, slacken the support bracket below and remove plastic cover to get access to the 3 coils, remove coils and the change plugs, other side a lot easier. Total time 2hrs approx.

Posted on Mar 16, 2009

Atyourdoor
  • 93 Answers

SOURCE: Rear differential OEM oil substitute-'99 Montero

Any good Valvoline gear oil will be perfect. Sold at checker auto or autozone.

Posted on Jul 25, 2009

rickyrt441
  • 4399 Answers

SOURCE: i have a 98 mitsubishi montero sport that has a

It all depends where it is leaking. You may have a bad seal. If so, you will have to take off the block to get to your valves. Like I said, it just depends where the oil comes from. Make sure all your bolts are tight. They loose up after time.

Posted on Feb 23, 2011

emissionwiz
  • 76846 Answers

SOURCE: 2001 mitsubishi montero oil dripping on the Alternater and causing it to fail where is the alternator in relation to the oil opening

Yes that is entirely possible.

Posted on Sep 19, 2012

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1 Answer

Diagram for 2003 mitsubishi diamante v6 3.5 24 valve engine


Sorry we don't have a diagram, if it has a turbo it will be attached to the exhaust manifold and be similar to the photo below.
26172243-1jjptyb1wfbswvhxscwyfpuc-5-0.jpg

Apr 22, 2016 | Mitsubishi Cars & Trucks

1 Answer

Oil leak in 2001 mitsubishi montero sport


could be from a number of places have the engine thoroughly cleaned and then look for fresh oil drips starting at highest point of engine working way down

Apr 02, 2014 | 2001 Mitsubishi Montero Sport 4WD

1 Answer

I have a 98 mitsubishi montero sport that has a small oil leak. i need to know how to fix it


It all depends where it is leaking. You may have a bad seal. If so, you will have to take off the block to get to your valves. Like I said, it just depends where the oil comes from. Make sure all your bolts are tight. They loose up after time.

Feb 23, 2011 | 1998 Mitsubishi Montero Sport

1 Answer

Where are the four O2 sensors on a 2003 Montero Sport? Is $300 reasonable to replace the two upstream sensors?


According to the service literature I read, the 2003 Montero Sport with the 3.0 or 3.5 L engine does not have O2 sensors listed even in the maintenance schedule. The 2.4 L engine has it on the exhaust manifold though.
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However, the following lists the par, though for before or after the catalytic converter:

http://www.partstrain.com/store/index.php?VN=4294967180+4294966587+4294964143+&Nr=AND(universal:0)&N=0&Ntt=Oxygen%20Sensor

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I think that $250 to $300 is reasonable if the Oxygen sensors are stuck in there with rust and the threads are preserved by the technician. Oxygen Sensor replacement can be tricky.
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Good luck on this repair.

Exhaust Manifold

REMOVAL & INSTALLATION

2.4L Engine


  1. Remove or disconnect the following:

    • Negative battery cable

    CAUTION
    Wait at least 90 seconds after the negative
    battery cable is disconnected to prevent possible deployment of the air bag.


  2. Heat cowl from the exhaust manifold
  3. Aspirator valve assembly, if equipped
  4. Oil dipstick and guide
  5. Oxygen (O2S) sensor connector and ground cable, if equipped
  6. Exhaust pipe from the manifold
  7. Exhaust manifold and gasket from the engine
    To install:

  8. Install or connect the following:

    • Exhaust manifold. Torque the M8 mounting nuts to 22 ft. lbs. (29 Nm) and the
      M10 mounting bolts 36 ft. lbs. (49 Nm). starting from the middle and working
      outward.
    • O2S sensor connector and ground cable, if equipped
    • Exhaust pipe to the manifold. Torque the nuts to 35ft. (49 Nm).
    • Aspirator valve assembly, if removed
    • Heat cowl to the exhaust manifold. Torque the bolts to 117 inch lbs. (13
      Nm).
    • Negative battery cable

  9. Start the engine and check for exhaust leaks.


3.0L and 3.5L Engines


  1. Remove or disconnect the following:

    • Negative battery cable
    • Exhaust pipe from the exhaust manifolds
    • Oil dipstick, guide and O-ring
    • Heat shields
    • Exhaust manifolds

  2. Clean the gasket mounting surfaces. Inspect the manifolds for cracks,
    flatness and/or damage.
    To install:

  3. Install or connect the following:

    • New gasket and exhaust manifold. Torque the nuts to 33 ft. lbs. (44 Nm) on
      3.0L engines and 22 ft. lbs. (29 Nm) on 3.5L engines.
    • Heat shield, Torque the bolts to 10 ft. lbs. (14 Nm).
    • Exhaust pipe to the exhaust manifolds. Torque the nuts to 35ft. (49 Nm).
    • Oil dipstick, guide and new O-ring
    • Negative battery cable

  4. Start the engine and check for exhaust leaks.


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Oct 07, 2010 | 2003 Mitsubishi Montero Sport

1 Answer

2001 mitsubishi montero limited light on service engine soon 110000 milege burning smell from engine oil ok transmission oil ok coolant ok


look hard around your valve cover or your spark plugs holes especially #3 and #5. i found mine on 3 and 5 spark plugs. oil sometimes drip down to hot eng and smell like burn oil. possibility your valve cover that seal your spark plug hole is worn out and leak around the valve cover and straight down to hot area. replacing valve cover gasket is not easy and if you take it shop will cost you over $1000.00 because of intake manifold and a lots of hardwares to remove. shop around before you take it to the shop. if you do it your self with a friend make sure you take picture for every lines ,bolts sensor plugs and so on you remove. also may as well tune up or change your spark plugs. good luck

Aug 26, 2010 | 2001 Mitsubishi Montero

3 Answers

1999 mitsubishi montero sport white smoke


the weakest link from water entering engine is intake manifold losing its torque. their are four water ports right next to valve ports. two in front two at rear of intake manifold. they warp fairly easy.so check before re installing

Jan 02, 2010 | 1999 Mitsubishi Montero Sport

1 Answer

I have a 2003 montero sport leaking oil on the alternator. Is there any thing I could do to prevent this?


Find the oil leak and fix it
If coming from the timing case replace the gasket.
If from rocker remove it and replace the gasket
as if you have a oil leak then its fixable
1st check oil is it engine oil (black) or something else??????????

Oct 05, 2009 | 2003 Mitsubishi Montero Sport

1 Answer

Abnormal Oil Consumption


Check for oil leaks, oil cooler, turbo, hoses. etc... if there is no leak then maybe you need to replace the piton rings.
frm: teh of philippines

Jun 17, 2009 | 1991 Mitsubishi Montero

1 Answer

2002 montero sport transmission fill


LOOKING AT THE ENGINE FROM THE FRONT OF THE TRUCK ITS ON THE RIGHT SIDE (DRIVER SIDE) NEXT TO THE INTAKE MANIFOLD. uSE THE CORRECT FLUID AS MITSU TRANNYS DONT LIKE OTHER TYPES OF LUID. FACTORY FLUID IS MITSUBISHI SP3. CHECK WITH ENGINE RUNNING, TRANS IN NEUTRAL.

Dec 22, 2008 | 2002 Mitsubishi Montero

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