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head gasket doco *started*
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uglybob
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PostPosted: Sun Feb 19, 2006 2:40 pm    Post subject: Reply with quote

question is - how does the cam come out now? i didn't get stuck too much into it, but does the bolt on the front of the timing chain cog need to be undone?
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Gaz
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PostPosted: Sun Feb 19, 2006 6:16 pm    Post subject: Reply with quote

looking good bob, be interested when ya get to the head icon_biggrin.gif

and ill lock in yes, i think you need to undo that bolt
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Leroy
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PostPosted: Sun Feb 19, 2006 6:19 pm    Post subject: Reply with quote

yes you do need to undo that bolt
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SileNceR
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PostPosted: Thu Feb 23, 2006 6:50 pm    Post subject: Reply with quote

you don't need to pull the rocker gear off to do the head gasket...

or are you changing cam at the same time?
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uglybob
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PostPosted: Thu Feb 23, 2006 6:51 pm    Post subject: Reply with quote

i'm stripping it right down - i'm just doing a doco along the way! icon_razz.gif
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snap0964
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PostPosted: Thu Feb 23, 2006 8:34 pm    Post subject: Reply with quote

uglybob wrote:
question is - how does the cam come out now? i didn't get stuck too much into it, but does the bolt on the front of the timing chain cog need to be undone?
As mentioned , yes. Don't worry, the cam and the sprocket have keyway like notches.
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shoey50
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PostPosted: Tue Mar 07, 2006 9:57 pm    Post subject: Reply with quote

any more progress on this?? could really come in handy for the cam i have in my room ready to put in (been there about month man im lazy)
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uglybob
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PostPosted: Tue Mar 07, 2006 10:06 pm    Post subject: Reply with quote

will borrow the camera again & see where i;m at! icon_razz.gif
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phongus
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PostPosted: Thu May 11, 2006 5:52 pm    Post subject: Reply with quote

still no progress =( i want to pull mine out but tooo scared too. probably end up blowing up my engine.

phong =P~
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the_scotsman
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PostPosted: Thu May 11, 2006 10:20 pm    Post subject: Reply with quote

I did mine over christmas holidays...was SOOOOOOO much easier than I thought it would be...took 2 days all up but I reckon could be done much less if I did it again...
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smiley235
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PostPosted: Fri May 12, 2006 1:18 am    Post subject: Reply with quote

SileNceR wrote:
you don't need to pull the rocker gear off to do the head gasket...

or are you changing cam at the same time?


yeh you do. You need to disconnect the sprocket from the camshaft as it doesnt come up with the head and to remove the cam, you need to remove the rocker gear.
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Andrew J
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PostPosted: Sat May 13, 2006 12:57 am    Post subject: Reply with quote

Its all good, ive got the head off mine at the moment. going back on tomorrow fingers crossed. Kept on having overheating troubles, but now theres new radiator, new waterpump, new fan centre, new thermostat, new temp sender. Cant wait to drive it again!
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hans hartman
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PostPosted: Sat May 13, 2006 5:02 am    Post subject: Reply with quote

uglybob wrote:
question is - how does the cam come out now? i didn't get stuck too much into it, but does the bolt on the front of the timing chain cog need to be undone?
1-drain water-coolant 2-remove 1 battery lead 3-remove all plugs 4-turn motor to #1 fire-timing marks line up 5-remove exhaust and intake manifolds-air intake tubes -any wiring,cables 6-remove rocker cover 7-mark front of rocker gear-i dont know if its reversable,and remove 8- tie timing chain to sprocket use 3 ties-cant let the chain drop of crank sprocket and back of tensioner 9-undo sprocket bolt and ease off cam-has pin dowel and key way,may be very stiff , tap or bump with copper-brass or wood to slide off 10-loosen head bolts from centre out equally-reverse to torque sequence 11- tap or lightly rock head sideways to loosen gasket grip-also may have two dowels to locate head on gasket 12=suck it in its a long reach to lift and get the head out by your self its aluminium---cast iron is much heavier!!! 13-after a beer ,smoke or ? the clean up starts 14-look to see how the gasket failed,water seals corroded,blown between the cylinders,why did it fail? 14-check the head for massive corrosion around water passages-if not sure,clean the gasket off and dry very clean,lay the new gasket on head,if the water passages are in side the gasket ,its ok,if past it,it can be tig welded and re cut with die grinder-carbide cutters 15-the head has to be flat with in a few thousands of an inch-it will pull down,but under different torque tensions,if warped to much,re-machine flat,if you cant see why,get head pressure tested-they crack in funny places 16- re-assemble in reverse order,oiling parts as you go,every part is dry,tension head and rocker gear,front sprocket bolt,release or replace tensioner the rest is yours-some nice pics
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boost1105
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PostPosted: Sat May 13, 2006 2:41 pm    Post subject: Reply with quote

that looks abit messy

1-drain water-coolant
2-remove 1 battery lead
3-remove all plugs
4-turn motor to #1 fire-timing marks line up
5-remove exhaust and intake manifolds-air intake tubes -any wiring,cables 6-remove rocker cover
7-mark front of rocker gear-i dont know if its reversable, and remove
8- tie timing chain to sprocket use 3 ties-cant let the chain drop of crank sprocket and back of tensioner
9-undo sprocket bolt and ease off cam-has pin dowel and key way,may be very stiff, tap or bump with copper-brass or wood to slide off
10-loosen head bolts from centre out equally-reverse to torque sequence
11- tap or lightly rock head sideways to loosen gasket grip-also may have two dowels to locate head on gasket
12-suck it in its a long reach to lift and get the head out by your self its aluminium---cast iron is much heavier!!!
13-after a beer, smoke or? the clean up starts, look to see how the gasket failed, water seals corroded, blown between the cylinders, why did it fail?
14-check the head for massive corrosion around water passages-if not sure, clean the gasket off and dry very clean, lay the new gasket on head, the water passages are in side the gasket, its ok, if past it, it can be tig welded and re cut with die grinder-carbide cutters
15-the head has to be flat with in a few thousands of an inch-it will pull down, but under different torque tensions,if warped to much, re-machine flat, if you cant see why, get head pressure tested-they crack in funny places
16- re-assemble in reverse order, oiling parts as you go, every part is dry, tension head and rocker gear, front sprocket bolt, release or replace tensioner the rest is yours-some nice pics
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uglybob
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PostPosted: Sat May 13, 2006 4:36 pm    Post subject: Reply with quote

sorry guys - camera got stolen, problems borrowing one, so kinda halted more pics! icon_confused.gif i've stripped the block right out so will continue again soon!
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GTBob
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PostPosted: Sat May 13, 2006 5:38 pm    Post subject: Reply with quote

Rapier wrote:
looks like you just dobbed yourself in with some more mechanical know how hehe.

i think basically its a straight forward job only thing im yet to figure out really is the timing chain tensioner, if someone could give some clear and conscice way of actually resetting and re tentioning the tentioner for the timing chain i think that would be fantastic.

PM me with your email address and I'll send you a complete doco on timing chain tensioner r&r and resetting
Regards Bob icon_biggrin.gif
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phongus
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PostPosted: Sun Jun 04, 2006 3:15 am    Post subject: Reply with quote

uglybob wrote:
sorry guys - camera got stolen, problems borrowing one, so kinda halted more pics! icon_confused.gif i've stripped the block right out so will continue again soon!


if ur in melbourne id let u borrow my camera

i want to see pictures of how to do it......reading gives me headaches icon_razz.gif
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phongus
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PostPosted: Tue Jul 18, 2006 1:55 am    Post subject: Reply with quote

oi bob or tim....hows this going? its not finished yet =(
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Rapier
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PostPosted: Tue Jul 18, 2006 4:14 pm    Post subject: Reply with quote

dunno if it ever got started lol icon_biggrin.gif

i was waiting on the very ugly bobs pictures
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phongus
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PostPosted: Wed Jul 19, 2006 8:49 pm    Post subject: Reply with quote

Rapier wrote:
dunno if it ever got started lol icon_biggrin.gif

i was waiting on the very ugly bobs pictures


lol.......u start it then icon_razz.gif i might give it a shot...........with my EA engine...even though there is nothign left on the engine for it to start icon_eek.gif
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