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Old December 15th, 2009, 01:08 PM
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Default koobster : head gasket replacement please HELP

head gasket replacement please HELP
Post by koobster on Oct 16, 2006, 12:51am

I replaced my head gasket 2 weeks ago. the truck has not run since. When i am TDC the dimple is between 3 ans 4 o'clock, both #1 lifters are lose, #1 fires when the piston is all the way up. Head compression is 35 psi. #1 spark plug is dry as a bone, #6 is wet(fuel). Does the gasket req sealant?
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Old December 15th, 2009, 01:08 PM
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Re: head gasket replacement please HELP
Post by robertcowan on Oct 16, 2006, 12:57am

YES THE GASKET DOES NEED SEALANT BUT YOU GOT THE TIMMING OFF PAL. TIME TO UNDO IT AND DO IT AGAIN.
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Old December 15th, 2009, 01:08 PM
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Re: head gasket replacement please HELP
Post by koobster on Oct 16, 2006, 1:13am

thats what i thought. How much sealant does it req? Is there a way to adjust the cam gear without tearing down the front of the eng?
  #4  
Old December 15th, 2009, 01:08 PM
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Re: head gasket replacement please HELP
Post by brute4c on Oct 16, 2006, 9:36am

You can pry the cam gear off the end of the cam with a prybar, but the big problem is getting things set right.....the procedure from the manuals requires that you can see the crank end due to the way the 230 chain is setup...they use copper links located 32 teeth apart on the chain as part of the initial timing chain setup....there is a timing mark on the crank sprocket and one of the copper links will line up with that on the drivers side of the engine as viewed from the front. This will put the other copper link on the uppper drivers side in the region of the lower edge of the cam sprocket...but the book doesnt show a timing mark on the cam sprocket in order to align the upper copper link to...heres the whole deal from an email I sent out this weekend...

[Start book section]

A. Turn over the engine until air starts to blow from the number 1 spark
plug port to indicate the number 1 piston is on the compression stroke.
Continue to turn over the engine until the keyways in the crankshaft are
in the 12 o'clock position to indicate that the number 1 piston is at top
dead center..

B. Temporarily install the camshaft sprocket and turn the camshafy until
the nose of the number 1 cam lobe and the dowel hole on the camshaft are
pointing downward at the 6 o'clock position. In this position, both valves
are closed. This occures when the associated piston is in the top center
position of the compression stroke. Remove the camshaft sprocket.

C. In stall the woodruff key into the crankshaft keyway nearest the
cylinder block. Install the timing chain sprocket remover and installer on
the rocker arm cover studs. (Figure 3-7)



MY NOTE: I know guys are doing this without this tool...I believe they pry
the pulley up onto the cam with a prybar in the slots in the cam
pulley...be careful but that is the way it is routinely done.

D. Position the crankshaft timing chain sprocket and the camshaft timing
chain sprocket in opposite ends of the timing chain sprocket so that the
keyway of the timing chain sprocket is up and the dowel of the camshaft
sprocket is down. Position the parts so that the copper links of the chain
are aligned with the timing marks on the sprockets. The copper segments
are 32 links apart.

MY NOTE: From what I understand, there is a timing mark on the crank
sprocket that you need to line the lower copper link of the chain up to
on the drivers side...the other copper link, that is 32 links away,
should then be up high on the drivers side at the cam sprocket. If I
remember right, they count every segment from one copper link to the
next....the outer piece and the inner piece between the outer
pieces...some people count just the out parts but this is not the case
here.

E. Lift up the assembled chain and sprockets and slide the timing chain
sprocket on the crakshaft so that the sprocket is fully seated.

F. Engage the hook of the timing chain sprocket remover and installer tool
in the camshaft sprocket. Tighten the nut to tension the chain and pull
the mounting hole of the sprocket into alignment with the pilot on the end
of the camshaft so that the dowl engages the hole in the flange of the
camshaft. This may require slight rotation of the crankshaft to secure
perfect alignment.

G. Position the fuel pump eccentric on the camshaft sprocket. Install the
cap screw, lockwasher and flat washer.

H. Release tension of the timing chain sprocket remover and installer tool
and remove the tool from the rocker arm cover studs.

I. Install the timing chain guide bracket on the front of the block and
adjust to contact the chain.

Note: The timing chain bracket guide should be set so the tight side of
the chain is deflected .060" to .120" from its free position after the cam
bearing deck has been properly torqued to the cylinder head and block.

[End book section]

With all that in mind, I am not sure that one could be accurate in setting up the chain without having the timing cover removed...which we both know isnt the funnest thing in the world to do...
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Old December 15th, 2009, 01:08 PM
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Re: head gasket replacement please HELP
Post by koobster on Oct 16, 2006, 12:18pm

thanks jon. looks like i will have to take off the front cover.grrrrrrrrrrr
  #6  
Old December 15th, 2009, 01:08 PM
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Re: head gasket replacement please HELP
Post by brute4c on Oct 16, 2006, 12:32pm

Unfortunately it looks that way to me...I wish there was an easier way...
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Old December 15th, 2009, 01:08 PM
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Re: head gasket replacement please HELP
Post by oilcan on Oct 16, 2006, 11:13pm

Just a note to add to your note, Jon.
I changed the cam in my 230 without the tool to hold the gear up, but I used a piece of angle iron held up by a pair of jack stands on the inner fenders. Hook a ratchet strap to the gear, wrap it around the angle, and we're in business.

Back to your regularly scheduled program...
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Old December 15th, 2009, 01:08 PM
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Re: head gasket replacement please HELP
Post by brute4c on Oct 17, 2006, 9:49am

There is a good idea for that part!!
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Old December 15th, 2009, 01:08 PM
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Re: head gasket replacement please HELP
Post by dj on Oct 22, 2006, 9:38pm

Are these tools available? Does someone have one,that a person could get measurements from? Should be able to fabricate fairly easily I would think.
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Old December 15th, 2009, 01:08 PM
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Re: head gasket replacement please HELP
Post by brute4c on Oct 23, 2006, 5:38pm

Once in a great while you see one on ebay...
 

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