Manifold gasket help? - Defender Source
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  #1  
Old October 21st, 2012, 08:30 PM
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Manifold gasket help?

Hello Alan,

I need some help tracking down a gasket for a 1984 3.5V8 Defender 110 I am delivering to a client. I have a good size oil leak coming from the manifold. We tried replacing the inlet manifold gaskets. The ones we pulled out where very worn. Some one had even used silicone as a temporary patch to keep to it from leaking. The problem we are having is we can not seem to find the right ones. Where is the serial number on the engine located? Wondering if maybe to could look it up an tell me what one I need cause I'm drawing a blank with the normal sources.


Parts numbers from rover farm.
Seal - Inlet Manifold (Early) we tried this one as it looks closest but is just a tiny bit to thin.
Ref: 602099 / Price $2.99 each
Application: Rover V8






These ones are completely not right but are the only other gasket I can find for the engine.






Seal - Inlet manifold (pair)
Ref: ERR7283 / Price $6.99
Application: Rover V8 (sold in pairs)


GMSOG
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802-324-3370 cell
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  #2  
Old October 21st, 2012, 09:34 PM
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early ? late? there all the same end seal the aftermarket ones fit like crap .. i might have a set of originals
ERR7283 ...make sure you clean the end rails and between the head surface use permatex right stuff on all 4 corners and apply he seal ....make sure you loc tite the bolts holding down the manifold or replace them with factory new style bolts
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Old October 21st, 2012, 09:42 PM
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It's an early version. He seal?
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Old October 22nd, 2012, 12:55 PM
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It's got to be a super early engine. As the engine number is 21G-00112.

I will gladly buy the gaskets off if you would sell them.
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Old October 22nd, 2012, 02:14 PM
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Humm, I did not realize there was any differences. You are talking about the rubber end seals, correct? You need to either replace the metal end clamps or bend them so they apply the proper pressure and you should use right stuff in the corners.
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Old October 22nd, 2012, 02:42 PM
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There really isn’t a difference from 1961 - 2003 just a upgrade on material and hardware on the end seals ... if there’s a huge gap its possible the heads were machined too much which changed the angle of manifold to head contact but I highly doubt that
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Old October 22nd, 2012, 04:27 PM
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Old October 24th, 2012, 03:24 PM
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So it's the valley gasket thats leaking you can see where it's leaking at the 4 corners its not sitting flush...swear it was flush when we installed it each corner has slight wrinkle.. So new valley. we did not epoxy that gasket so hopefully that will fix it
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Old October 24th, 2012, 03:35 PM
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Quote:
Originally Posted by greenmountainrover View Post
So it's the valley gasket thats leaking you can see where it's leaking at the 4 corners its not sitting flush...swear it was flush when we installed it each corner has slight wrinkle.. So new valley. we did not epoxy that gasket so hopefully that will fix it
they usually never sit flush especially if you move or slide the manifold into place..... right stuff the 4 corners put end seals and bolt down valley gasket and place the manifold straight down.... torque to spec and fire her up
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Old October 24th, 2012, 03:53 PM
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they usually never sit flush especially if you move or slide the manifold into place..... right stuff the 4 corners put end seals and bolt down valley gasket and place the manifold straight down.... torque to spec and fire her up
This. Make sure to put ALL the bolts in before tighening.
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Old October 24th, 2012, 04:19 PM
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Thanks guys I'm going to have a go Tuesday.
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