Question about 1986 Mitsubishi Magna

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Severe Oil leak From Rocker Cover area. New Seal and Rocker cover gaskets fitted. did not fix , is there a seal on the Cam shaft ? which would cause this problem

Posted by Anonymous on

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  • Mitsubishi Master
  • 3,828 Answers

Yes there is a seal on the cam shaft behind the water pump pully
undo that bolt
you have to undo the cam shaft to get to it .dont drop the lifters
19 nm for the can bearing bolts ..do not overtighten the two rocker cover bolts you can crack the rocker cover or split the cam bearing those bolts tight into
many say not to use silicon but because of the age of the car you need to use the blue silicone on the half moon the rocker gasket and the cam seal ..there are no online repair manuals for the tm-tp magnas ..the rocker covers can warp but rare

Posted on Sep 04, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

freetek
  • 5568 Answers

SOURCE: rocker cover oil leaks NL pajero 1998 NL

The gaskets may not be at fault; the first time the valve cover was removed it was probably damaged by an impatient mechanic.
Most covers are sheet metal and the gaskets have an ugly tendency to get sticky over time making removal very difficult.
An inexperienced or sloppy mechanic can easy damage the edge of the cover causing a permanent distortion that a gasket replacement cannot correct.

I hope you have correctly identified the source of the leak since a warped cylinder head can also cause oil loss but that would be from the junction of the cylinder and block.
That would be much more expensive to correct than replacing a damaged valve cover.

Posted on Jun 21, 2008

emissionwiz
  • 75108 Answers

SOURCE: evolution 7 bad oil leak

Not common, part is cheap, fix is easy. You will need a few basic hand tools a metal punch awl to remove old seal (like an ice pick) and soft faced hammer to drive the new seal in.

Posted on Oct 16, 2008

chessmaster2
  • 160 Answers

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

it could also be the oil pan gasket, or the manifold gasket. if it's the manifold gasket, when you remove the manifold to replace it, take the time to clean out the mixing chamber. it'll be filled with gunk and cleaning will improve gas mileage.

Posted on Dec 05, 2008

  • 52 Answers

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

  • 2 Answers

SOURCE: 97 pajero leaking oil over driver side exhaust

check your oil cather inside ur head cover

Posted on Feb 28, 2010

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Leaks oil from rocker cover. repaired 3 times. is this a common fault? what is the solution?


The rocker cover will leak oil..............

1. If the rocker cover has been damaged due to poor mechanical fitment and is no longer perfectly straight; or
2. The rocker cover bolts are not torqued evenly at the correct ft/lbs specification; or
3. If the rocker cover bolts have been excessively torqued in which event the cover will distort and the gasket will be excessively compressed; or
4. The gasket is in poor condition and needs to be renewed; or

5. The gasket fitting is sloppy done in which event you can assume the cover will not have been properly fitted either.

I would be buying a new rocker cover (or a straight used one) before doing the next repair because your original is probably deformed now and will likely never seal properly.

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what engine.? lots of engines, used. and 21 models of civic, USA.
its usually.
1: valve cover, (yes, most can leak from top down behind the belt.
2: cam seals
3: crank end seal
4: oil pump seals.
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finding oil leaks takes hard work , clean, it find it .
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gravity and wind, allows it to go where ever IT wants.
so it must be clean first to find it.. see?
or use the dye kits, it shows a live leak best.

ever look here?
http://estore.honda.com/honda/parts/view-honda-parts-catalog-detail.asp?m=1997-civic-2-dx-4at&sn=&b=E++09&dl=

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start high work down due to gravity.....
the FSM is here.
see that too. "free" too
http://hondatech.info/downloads/Auto/Manuals/Civic/

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Dear Sir,
Here is the oil leaking Problem Identifying Technique

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    HAVE SMALL OIL LEAK FROM TOP OF ENGINE BLOCK DRIPPING DOWN BY SIDE BLACK VERTICAL COVER TO CAM BELT/ALTERNATOR DRIVE BELT. SOMETIMES DROPS ON EXHAUST AND SMELLS. HAD ROCKER COVER GASKET REPLACED 15 MONTHS...


    is that a typo
    should it be 1996 FIAT PUNTO 55S

    degrease the engine with off the shelf products

    if leak is confirmed from the top of motor

    redo rocker cover seal with silicon
    see if that slows the leak
    cam seals may not have been replaced when you thought they were

    grating noise at belt could be idler bearing

    oil leak onto exhaust and smoking
    real engine seal . sump


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