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| snap0964 |
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Well I found out my headgasket issues after pulling the rocker cover - No2 bolt on the passenger side had the head sheared off (head was sitting in the adjacent 'hell hole' cavity).
Assuming that all the other headbolts will remove reasonably troublefree (fingers crossed, 14mm impact socket, t bar and long piping at the ready). I'd assume the head will still come off, maybe might need to grind the top of the sheared bolt for any dags that might catch the head on removal. In the meantime while the head is off for checking/machining, I can only think to try vicegrips and some piping to remove the bolt, or maybe grinding a rough 3/8" square on the top to try and get some better bite on the bolt for removal. The searches I've looked at mainly concern removing rounded bolts, etc, and not sheared ones. Anyone have any other ideas I can try????
_________________ 96 XH Longreach 'S': LPG, Alarm, 3.23:1 LSD, Cruise, Trip Comp, ABS, Power Windows, Mid Series Dome Lt, Climate Ctrl |
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| Andrew J |
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Weld domething to the top, and undo with that, or try cutting a thread on the top and using two nuts locked together. Youll be suprised but, as its got no pressure on it, it should come out reasonably easy. One would hope!
_________________ The problem with America is stupidity. I'm not saying there should be a capital punishment for stupidity, but why don't we just take the safety labels off of everything and let the problem solve itself?
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| Walker |
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Just lift the head over the top.
It's quite common for an E series to drop the top off a bolt, it will usually unscrew easily. Stiltsens are usually the way to go if it's tight (Have had this before). |
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| Krytox |
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Stiltsens, and a hammer hitting down to break the seal.
Last resort would be mild heat on the block itself trying not to heat the bolt. Unusual for a passenger side to 'hold' as its the oil side.. i've only seen the exhaust side do this. also go nuts with WD!
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| hellbent_ef |
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As this happened to my head bolt, exact same one, bouta month ago, when I done mine. The easiest way I know (and ive seen some of the other suggestions been done, but IMO what a f**k around), if it doesnt just unscrew when you lift head off, get a hack saw, cut a groove into the middle of the top. there you go, its now a head screw.
May be a little more work that the others, but f**k is it easy.
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| snap0964 |
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Yeah thanks for the tips fellas. You could actually put a finger on the sheared head and wobble the bolt - so it was obviously loose.
Unfortunately I did round 2 boltheads, so I ragged around the area and ground the heads down with a cutting disc, and used a drift to break off the remaining bolt head, so I could lift the head off. These 2 were loose as well. I have been told another way to get a rounded head off is to centre pop and drill down into the bolt, using progressively larger drills, then use the impact socket to tighten the bolt to shear the head off.
_________________ 96 XH Longreach 'S': LPG, Alarm, 3.23:1 LSD, Cruise, Trip Comp, ABS, Power Windows, Mid Series Dome Lt, Climate Ctrl |
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| Walker |
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hellbent_ef wrote: As this happened to my head bolt, exact same one, bouta month ago, when I done mine. The easiest way I know (and ive seen some of the other suggestions been done, but IMO what a f**k around), if it doesnt just unscrew when you lift head off, get a hack saw, cut a groove into the middle of the top. there you go, its now a head screw.
May be a little more work that the others, but f**k is it easy. Yeah that'll always work 
These head bolts are known for fatigue, quite often they're not locked or tight, the head just drops off them, they'll pretty much unscrew from the block after you lift the head off. If it's a tad tight then grab stiltsens, they should crack it fairly easily, if it doesn't then as suggested above, heat it up. I told the story once before of the first EA head that i done in the early 90's, i heated it 3 times and it still wouldn't budge, i gave it one last go and got it, i was ready to call the bloke and tell him to get his car the f**k out of my garage lol. |
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| hellbent_ef |
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The thing I forgot to mention, is that once you've turned them into screws by cuttin groove in top. once the head is gettin checked (unless you got new one) and your scraping off remaining gasket from the block, screw these headbolts back in about 2 turns, just so they in, but won't bend.
Then when your putting head back on, they act as a guide, you won't damage your new gasket by moving it to try and line holes up. Once its in place and you have the new bolts screwed in finger tight, get ya screwdriver and take out the guiding bolts, and there you go, lined up first time everytime. Just make sure you cut a big enough groove in the bolt for a screwy to turn it. Otherwise your up s**t creek. But it will come out....just might have to throw a few tools at your old man (or me) for suggesting the idea because its all of a sudden not so good. HA!!! what a night that was.
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