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Intake Gasket

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by mrcaddy, Jun 2, 2009.

  1. mrcaddy

    mrcaddy Rockstar

    My '95 Suburban with 350 has developed an intake gasket leak, I believe. I can see a puddle of black, sticky goo smelling a bit of coolant on top in the valleys. Once in awhile I'll see a puddle up front on the ground . The intake I see is aluminum. Will I have trouble with this? Do they warp? Someone said they might. I have not seen this overheat. I am thinking I can do this myself......I sure can't afford to have it done.
  2. Jimmiee

    Jimmiee Epic Member 5+ Years 1000 Posts

    Before you go ripping into it I would verify the leak with a radiator tester. You can borrow one from Auto Zone. You might just find the leak is a thermostat housing or a heater hose connection. When you do the test, do it cold as it won't leak once it warms up. Have fun!
  3. mrcaddy

    mrcaddy Rockstar

    It's for sure an intake leak. I started on this last night. Not a fun project. I'm not fond of having to climb into the engine compartment. Anyway, how do I remove the heater connection from the back of the manifold? That's a puzzler! I also couldn't seem to find a wrench that would loosen that distributor. I'm guessing there is a special one for that? Thanks,Scott
  4. Jimmiee

    Jimmiee Epic Member 5+ Years 1000 Posts

    Well you got me on that one . Maybe someone will chime in about the heater hose. As far as I can remember the distributor is held down with a clip and bolt. Are you saying the bolt is not a hex head bolt?
  5. mrcaddy

    mrcaddy Rockstar

    No, it's a regular bolt. I just can't get a wrench there. There must be a special tool to get to it. I hope, anyway!
    The heater hose (I assume that is what it is) is metal with a plastic clip connection sort of deal. Looks real easy to 9:30 at night with no stores open.....
  6. Jimmiee

    Jimmiee Epic Member 5+ Years 1000 Posts

    Yes there's a special distributor wrench for that or you could use a crow foot wrench. Before you buy one make sure of the size as GM used both 9/16 and 15mm.
    I'm not sure about your heater hose. Maybe someone else will chime in. I can't look at my truck because my wife took it! <G>
  7. firstkaw

    firstkaw New Member

    squeeze the plastic tabs together on the clip and pull heater pipe out of fitting.
  8. mrcaddy

    mrcaddy Rockstar

    .....all while leaning into the engine compartment, resting one hand on the driver's valve cover, my right hand, the one I'm best with......Can someone hold me above the truck for awhile.....?:lol:I'm sure as new trucks go this one is probably easy to work on.Probably.....
  9. mrcaddy

    mrcaddy Rockstar

    While at the auto parts store the man behind the counter opened my eyes to something else. Something I just don't have the funds to do anything with right now. He said my distributor bushings are going out. Perfect. When I told him that the inside of the cap looked like it had been hot and that there were grooves cut in it from the rotor he knew exactly what was wrong. I'm hoping I can make it down the road some with it yet.
  10. Trask215

    Trask215 Rockstar 100 Posts

    That sucks! I hope you have better luck soon and get everything fixed quickly and easily.

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