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Continental Z134 valve guide installation

R

Roger Missildine

Member
Well hey to all again. Posted this on the Massey forum too hoping to get some advice.
Got the head and block cleaned up on the MF202 this afternoon. Did the liquid check on the valves by filling the intake and exhaust ports in the head with cleaning solvent. After about 30 minutes, went to check and found a couple of the exhaust valve guides leaking... UGGHH
Anyone know where I can get a valve guide installation tool, or if you"ve replaced you guides, what did you use to maintain the proper height? I have the press, just don"t have that tool.
Thanks,
Roger
 
I have a dowel about 8 inches long that is about .010 smaller than the guide that is ground down about 1 1/2" from one end to about .005 smaller than the valve stem. I some times use it to drive the guides out and sometimes use a press. Both works.
Some new guided have a scribe line to show how far to press them in and others do not. The ones without I use a six inch steel rule to measure as I press them in. Measure and write the height down before removing the old guides.

005-vi.jpg
 
Thanks for the info Dick,
At my old job, I had access to a lathe and vertical mill and could have made the tool. Unfortunately, I don"t have that any more. I know the repair manual states two different heights for the intake and exhaust guides, and was thinking along the lines of the 6" steel rule route with the "drift" approach.

Thanks again,
Roger
 
Might want to take the valves out and check the clearance. Even good valve guides will leak a little. The solvent test is more for the seat seal than the guide.
 
Make it EASY and have an automotive machine shop bore out the old guides to accept their stock "repair" guides.

Will cost a few bucks, but end the piddling around.
 
Thanks Steve, and everyone else. I'm pretty sure that the #4 exhaust is worn because it wasn't a little leakage, it was a pretty constant drip. After setting overnight, I checked the combustion chambers and they were damp with solvent, so a valve job is in order anyway. And since I'm gonna be using this loader / backhoe pretty regularly, I'm gonna bite the bullet and have it done right.

Thanks again,
Roger
 
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