Ignition coil gasket/seal

Discussion in 'Gen 2 Prius Main Forum' started by Ernie stires, May 25, 2023 at 3:53 PM.

  1. Ernie stires

    Ernie stires Junior Member

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    2005 Prius
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    I discovered that water had splashed up (big puddle) and water had gotten into my #1 spark plug tube causing misfire. Took out the coil pak, fried everything off including the tube and reinstalled the coil, but I was not sure which way the gasket sits and if it is designed to just sit on top of the valve cover. I installed with the flat side up, tightened the 10mm and my bad miss is solved but I’d like to avoid this happening again
     
    #1 Ernie stires, May 25, 2023 at 3:53 PM
  2. pasadena_commut

    pasadena_commut Active Member

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    Does your car have both front fender liners and the plastic splash guards behind the bumper? If those are in place it really shouldn't get that wet in the engine compartment. Unless by "big" you meant "deep", in which case all bets are off unless you have an amphibious vehicle.
     
    #2 pasadena_commut, May 25, 2023 at 6:45 PM
    Ernie stires likes this.
  3. Ernie stires

    Ernie stires Junior Member

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    Yes the liners and guards are there but I know not fitted correctly, loose. The puddle was much deeper than I anticipated, a clogged drain at an intersection. In any event I will look more seriously at the splash guards.
     
    #3 Ernie stires, May 26, 2023 at 12:34 AM
  4. dolj

    dolj Senior Member

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    It is more likely to be water overflowing from the wiper tray that gets into the spark plug tubes. Check that the drain holes in the wiper tray are clear from obstructions and able to drain freely. Also, check the seal strip that goes along the rear (underside) of the hood is firmly attached and undamaged.
     
    #4 dolj, May 26, 2023 at 1:33 AM
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