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Old Nov 22, 2018 | 04:40 PM
  #1  
Mike53's Avatar
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Three Wheeling
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Default Disco question

Happy Thanksgiving Guys ,I have a question,I organized complete upper gasket set I thought and it’s from a well known company and when I received it it didn’t come wya plenum gasket even though the Picture showed it and it didn’t come with the o-ring 2 I believe I need for the lower intake manifold gasket o- ring do I need these 2 items.Excactlly it says upper intake gasket and o- rings 2 count water connecting lower intake gasket.What are these 2 parts I need?Does anyone know what I am talking about because I understand that I cannot do the job without them!part # ‘s please help thanks
 
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Old Nov 22, 2018 | 04:45 PM
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Friday Night Disco's Avatar
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From: Fall City, WA
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O ring for the metal coolant pipe that is directly behind the alt??
 
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Old Nov 22, 2018 | 09:03 PM
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CollieRover's Avatar
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There are two pipes that need o rings on the lower intake manifold, and you do need to upper plenum gasket.

Part #’s will vary by vendor, have you called them?
 
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Old Nov 22, 2018 | 10:04 PM
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Honestly, I've never replaced those o-rings or the plenum gasket. I do give the plenum gasket a VERY thin coat of RTV on both sides each time. Never had an issue.

That said, o rings are like a buck a piece or less. Just go match them at the local parts store and call it good if you're worried about it.
 
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Old Nov 22, 2018 | 10:59 PM
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Mike53's Avatar
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Default Disco question

Thanks guys!Very much.
 
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Old Nov 24, 2018 | 07:09 PM
  #6  
Mike53's Avatar
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Three Wheeling
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Default Discovery o-rings

Dear sirs,revering to the (2) o-rings for the water pipes to the lower intake gasket Does Any one out There have a pitchers of the location of the(2) rings via the engine if you could point me in the right direction,Most apparently thank you very much I hope I can return the favor someday Yours truly Mike 53
 
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Old Nov 24, 2018 | 11:35 PM
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Saturnine's Avatar
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You only need two o-rings. Follow the line from the firewall (heater core) to the block, you'll find a hard pipe that has a 10mm nut that gets bolted to the lower intake manifold -- that has an o-ring. The second is the hard pipe that jets up between the alternator and the AC compressor which has 3 10mm bolts holding it to the front of the intake manifold.

Most auto parts stores carry an o-ring "kit" which has different sizes, just get one of those and install the right size and bolt them on -- you'll be fine!
 
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