Question about Mitsubishi Eclipse

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Trying to remove head to replace head gasket on 2.0 L non-turbo engine on '97 Mitsubishi Eclipse. My Haynes manual says to remove the intake manifold stays and the head can be removed without removing the intake manifold from the head. It does not mention the black plastic box that is mounted over these stays. I took off three nuts that seem to hold this box in place, but it does not come off. What is this box and how do I remove it to get access to the manifold stays?

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  • jamie_seifer Jul 19, 2009

    I have done all of that, but there is still this black plastic box on the underside of the intake manifold. this black box is keeping me from getting to the manifold stays. can you tell me how to remove this plastic box

  • jamie_seifer Jul 20, 2009

    I have all the information that you provided from my Haynes manual. My problem is with a black box/cover that is attached over the intake manifold stayes. There is no reference to this cover in the manual, I want to get it out so I can take off the stayes, I removed three nuts, it is somewhat loose but does not slide off. I don't want to force it and damage something that I can't see.



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Jack up the car support with jack stands remove cover shield to view the underside of the box/intake manifold, make sure to use a drop light to uliminated the underside of the assembly, this should allow you to see what is connected to the box or the connection that must be removed to free up the box. If this does not provide the access need to remove the box lower car back down and feel the underside and back side of the box to locate any concealed fasteners.

Posted on Jul 20, 2009

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Replacing a Head Gasket Disassembly
1. Disconnect the battery negative terminal
2. Drain the cooling system
3. Raise the front of the vehicle and support it with jack stands .
4. Remove the two 13mm exhaust bolts holding the exhaust pipe to the exhaust manifold, lower the vehicle
5. Remove the air cleaner assembly
6. Remove the upper radiator hose
7. Loosen the 13mm nut holding the dipstick tube bracket to the thermostat housing and remove the coil (if it is attached to the thermostat housing) and unplug the coolant temperature sensor
8. Remove the spark plug wires from the plugs, remove the distributor water shield and the distributor cap (this step is so you don't damage the distributor cap).
9. Remove the two uppermost 15mm-head bolts from the top of the a/c , alternator bracket where it attaches to the head and unplug the single wire temperature sending unit
10. Remove the upper half of the timing belt cover
11. Remove the valve cover
12. Disconnect the wiring harness connector that is just to the right of the throttle body
13. Disconnect the throttle cables from the throttle body and remove the two 10mm head bolts holding the bracket
14. Disconnect the vacuum lines from the throttle body
15. Disconnect the fuel lines - NOTE : The fuel lines may be under pressure , use extreme care when removing them
16. Disconnect the throttle position sensor connector and the EGR valve connector (if equipped)
17. Carefully lift up the throttle body wiring harness , the fuel lines , and the vacuum lines together and use a bungee cord to hold them out of the way
18. Remove the ground strap that is attached to the intake manifold from the fire wall
Please do rate the solution. Thank you for using fixya.keep updated. thanks

Posted on Jul 19, 2009

  • charlymonty Jul 19, 2009

    19. Remove the 15mm-head bolt holding the battery ground cable to
    the engine

    20. Disconnect the vacuum hose from the power brake booster and
    the heater hose from the intake manifold left side

    21. Use two plastic tie straps to secure the timing belt to the
    camshaft pulley and remove the pulley . Hold upward tension on the pulley and
    secure it with a bungee cord to the right hood hinge - NOTE: be sure to hold
    the upward tension with the bungee cord so the timing belt doesn't jump a tooth
    on the lower pulleys

    22. Remove the head bolts and lift the head off the engine block .
    (I suggest having an assistant help to lift off the head) With the head removed
    , carefully check the head casting for signs of cracks. Also use a straight
    edge to check the head casting for warpage (maximum allowable warpage is .00

    23. Clean all the head gasket mating surfaces and wipe clean with
    a little brake cleaner on a rag. Use a round plastic bristled brush to clean
    out the head bolt holes in the engine block and blow them out with compressed
    air .


    1. After the gasket surfaces are prepared, set the new head gasket
    in place and CAREFULLY place the head into position, take extreme care not to
    place the head on the head gasket until it is in the proper position.

    2. With the head in place, install the head bolts. You will need
    to tighten the head bolts in a circular pattern starting from the center and
    working your way out. I recommend hand tightening all the bolts before
    beginning the torque sequence. Head bolt torque: For older style 10mm head
    bolts : 35 - 45 - 45 - and a 1/4 turn; For newer style 11mm head bolts : 45 -
    65 - 65 - and a 1/4 turn

    3. Use the two rubber valve cover end seals and a bead of RTV
    silicone to reseal the valve cover.

    4. Do Not let the silicone skin-over before setting the valve
    cover into place and tightening the bolts, also be sure that both mating
    surfaces of the valve cover are clean and oil free .

    5. After the head is reassembled you will need to reset the base
    timing to specs. You will also want to double check the timing belt position .
    Use a variable timing light and set the timing mark on zero degrees . Save the
    setting on the timing light and shine it through the inspection hole in the top
    of the upper timing belt cover . If the belt timing is correct , you will see
    the oblong hole in the camshaft sprocket centered in the inspection hole .

    Please do rate the solution. Thank you for using fixya.keep updated.

  • charlymonty Jul 20, 2009

    click this link.its for different model car.but has pictures and information to remove the parts.
    also that black box has 4 to 5 screws in many models.the other thing is check oiut any valve blocking the box to come out if all the screws are removed.the other thing take a screw driver and insert it under the box and make the box little bit upwards then slide it out.and the main thing.the box is not very strong.its delicate and can easily get break down in do it gently.



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