Urgent: need stud for manifold - Defender Source
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Old November 7th, 2015, 12:35 PM
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John
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Well, my loss of power yesterday was down to a missing stud/bolt from the front end of the 300Tdi exhaust manifold. So I was loosing boost pressure out of the hole. I don't know what the size or thread is of that stud, can anyone help? Better yet does anyone in NYC area have a spare I can buy this weekend?? Have to get back on the road in 48 hrs to pull a trailer. :-( I have the manifold for the 2.8 VNT turbo if that makes any difference? Pic below of hole on the lower left just behind the oil dipstick tube.

I tried to see if I could get another one out to take to a hardware store but access is too difficult, somethings else is blocking all the other ones.

Cheers, John
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  #2  
Old November 7th, 2015, 12:52 PM
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Update; on probing the hole it would seem the stud has sheared off. So I will have to get that extracted - well beyond what I can attempt in my driveway. :-(
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  #3  
Old November 7th, 2015, 01:02 PM
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John B.
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See here: Allbrit.de - Ersatzteile fr LAND ROVER & MG ROVER They are M10. Best to get the actual studs. Nuts as well as they are a special self locking flange nut.
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Old November 7th, 2015, 02:27 PM
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Robert Davis
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With the manifold removed...
You may be able to rotate it with a hammer and punch to rotate it enough to grab it with vice grips.
If that doesn't work, you might be able to weld a 6mm bolt on the end and unscrew it.
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Old November 7th, 2015, 03:21 PM
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Quote:
Originally Posted by Talleyrand View Post
Update; on probing the hole it would seem the stud has sheared off. So I will have to get that extracted - well beyond what I can attempt in my driveway. :-(
Have you got enough room to get a small drill in there? Some liquid wrench and an easy out will work--you just need to be patient, exacting and confident...
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Old November 7th, 2015, 04:56 PM
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Sadly I am short on time due to house moving, as well as unskilled, inexacting and generally stupid. :-) I do recall from my install of the new manifold back in 2010 that there were two types of studs, John, and that is what the parts diagram shows: an M8 and an M10. But which do I need? Gameplan now is to try to source the stud and gasket on an emergency basis. Did not manage to catch the usual parts suppliers on their half day today. Am hoping a mechanic can extract the stud on Monday. Access is cramped, but I agree that perhaps a small drill could get at it. Mine is too big.
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Old November 7th, 2015, 07:00 PM
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Robert Davis
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2 points to convey:
John: no Land Rover owners are stupid, pretentious, eccentric, and pretty much crazy is more like it, but stupid is as stupid does.

And oh no it is not stupid to own a Land Rover, just ask my Toyota driving wife who demands reliability.

Anyway, being ignorant of the scenario is OK, but keep in mind, if your stud is steel and your head is aluminum, the drill bit will want to walk it's way off the steel where it will dig into the softer aluminum.
BE CAREFUL!
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UD: "Just Power through it man!"
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Old November 7th, 2015, 07:14 PM
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John B.
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The M8 studs and nuts are for the intake manifold. M10 for the exhaust.
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Old November 7th, 2015, 08:05 PM
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Thank you both!
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  #10  
Old November 8th, 2015, 05:52 AM
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If you can get the old bit out then a plain bolt will do to get you by until you get the proper stud.

With the engine hot (mind your hands though) you /may/ be able to get some long nosed pliers into the manufold hold and catch the end of the stud, depending on how it snapped (as in, what shape it is) and unscrew it

With the engine hot the metal would have expanded and it'll be as loose as it ever will be. If it was cranked up really tight into the head then no chance with the pliers, but worth a go.
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Old November 8th, 2015, 03:39 PM
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Will try to have it looked at on Monday. Hoping it can be extracted without much trouble.

It seems like a bizarre thing to have happened, I can't recall hearing of this. Had anyone else faced this problem?

Cheers,
John
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Old November 8th, 2015, 04:32 PM
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I'm waiting on a "special bolt" for the rocker shaft that sheared down inside the just acquired and apparently last, re-manufactured 200tdi cylinder head on the planet. We used a piece of thick walled tubing which fit the hole and used a small bit down the center as a pilot then followed with a left hand larger bit. spun right out. Good luck, your access is a bit more iffy.
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Old November 8th, 2015, 05:20 PM
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Not to second guess... But are you sure this was the problem? An exhaust leak large enough to cause loss of boost would have been really loud and you said there was no strange noise.
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Old November 8th, 2015, 05:58 PM
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No there is indeed a loud screeching noise once the revs are up. At low rpm there is no noise. So frustrating! And likely also the gasket will need to be replaced too. But please do second guess away, as we at this point have a provisional diagnosis only and the cure has not yet been applied to test the theory.
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Old November 8th, 2015, 06:01 PM
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John B.
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A manifold leak would not be screeching. It would be loud exhaust noise.
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Old November 8th, 2015, 07:27 PM
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Quote:
Originally Posted by Talleyrand View Post
Sadly I am short on time due to house moving, as well as unskilled, inexacting and generally stupid. :-) I do recall from my install of the new manifold back in 2010 that there were two types of studs, John, and that is what the parts diagram shows: an M8 and an M10. But which do I need? Gameplan now is to try to source the stud and gasket on an emergency basis. Did not manage to catch the usual parts suppliers on their half day today. Am hoping a mechanic can extract the stud on Monday. Access is cramped, but I agree that perhaps a small drill could get at it. Mine is too big.
I have a 200tdi gasket somewhere if it's the same as a 300. I'm not sure ifs it's intake or exhaust either, but if it might work I could dig it out.
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Old November 8th, 2015, 07:34 PM
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We did the exact same thing on Brandon's 200 TDI. If it is below the surface of the manifold there is no way to remove the stud without removing the manifold. If you are really really lucky it will just unscrew with vise grips when you remove the manifold.
Dan
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  #18  
Old November 8th, 2015, 07:34 PM
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John B.
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It is a single gasket for both manifolds.
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Old November 8th, 2015, 07:40 PM
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Then I have that for the 200 if on the outside chance they're the same
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  #20  
Old November 8th, 2015, 10:18 PM
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John I just bought that gasket if you need it asap. I can help you put it in this weekend if you want.
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