Valve adjust easy with pics

[Glenn]

This is why I like chromoly pushrods... loose zero. No feeler gauge needed.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
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[heimlich]

[wcfvw69]

I also want to pat the OP for a nice write up.

Well done.
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[Frodge]

I don't have chromoly pushrods. My guess is to use the .006 and double check with a .005 and .007. Should the .005 be totally loose with 0 drag? I would think the angle has to be perfect wither way. This is something I would love to be walked through in person once. Then I'd have it.

[Tim Donahoe]

Frodge, I corrected my post to mention.006.

You don't need someone to be there with you when using the feeler gauges. Either the .006 goes in the slot, or it doesn't. "A slight drag", is a slight drag. If the .006 fits and the .007 doesn't, then you got it. So, as mentioned, you can actually forget about the slight drag.

Tim
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Richard O'Brien

[rockerarm]

Hmmmm. It has been mentioned that a "slight drag" is the standard here. A feeler gauge or a set of them is a basic precision tool. They are not in the same category of a wrench or hammer. If forcing a .007" bade into a .006" clearance results in a damaged tool, shouldn't that raise an internal red flag?
If your replacing your feeler gauges more than your chisels please evaluate your standards.

[Frodge]

My point was that you could set your valves to .004 and not be able to get a .007 in. So not being able to get a .007 in doesn't necessarily mean you're at .006. Which is why I would think you should try to get the .005 in and see how it feels.

[Tim Donahoe]

Sorry, folks. I corrected my previous post, mentioning a "slight drag" to a slight drag when inserting the .006 feeler blade. Initially, I mentioned it was all good if, after this, not being able to get the .007 feeler blade in.

So let me phrase it more clearly: adjust the valve so that a slight drag is felt when inserting a .006 feeler blade. Then attempt to insert a .007 feeler blade. If the .006 blade fits in, but the .007 doesn't fit in, then it's all good. You're at .006.

And I have never been able to insert a .007 feeler blade into a .006 slot. In fact, how would anyone do that? I suppose you could "cram" the .007 between the valve and the rocker screw, but that would certainly not fall within the definition of "a slight drag".

Tim
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Richard O'Brien

[Frodge]

I have a question about valve lash in general. Let's say you adjust your valves perfectly. The next time you would do that is in 3000 miles, correct? So my question is, let's say a valve is tightening up, or several are, or one or several are loosening. Is there a way to know this if valves are loosening or tightening (excwpt dropping a valve) in between the time you adjust and the next interval?

[Zundfolge1432]

[Frodge]

I just adjusted my valves last night myself, first time me doing it alone. Took a while. Some of the slots in the adjusters looks like someone had slipped with maybe too small of a screwdriver. I know this is specific question, but screwdriver tips usually have sizes, is there a specific size that fits in there just right? Just curious, as I don’t have a huge collection. If different size screwdrivers but will gladly pick up the appropriate size if there is one.

[Cusser]

[Frodge]

Thanks Cuss. A couple of my screws were tight after loosening. I took those out and scrubbed the threads with a toothbrush and kroil. A lot better. I may get a whole new set next time. We’ll see. The thing about the aftermarket is I’ve read they are really soft and don’t hold up. I’m going to try and gently file the edges of the slot next time and really clean them off. First time adjustment for me took too long to get overly perfect with the screw slots.

[Cusser]

[Frodge]

[mark tucker]

Ive seen many, too many oe rockers that were coked up and no oil could pass.many thrown away because we couldent get the gally clear of the coked oil. thus the reason for sloting the lifter bores to get more full tyme oil to the rockers&valves. I still dont agree with this adjustment procedure.but you cant fix some things..... and my way is faster eazer and more better.

[Frodge]

What is the correct procedure or solution when you get a tight valve adjustment screw. I’ve seen them get stuck in the rocker assembly making them hard to turn.....

[Zundfolge1432]

[Frodge]

What do you mean engine is coked up? How do you rectify this? It runs well, so I’m not sure what I need to do. I’ve owned this car since 2005 and I just did a valve adjustment a couple days ago for the first time by myself. I’ve paid mechanics to supposedly do it in the past. I thought the adjustments were done by mileage, no? It takes me a long time to go 3000 miles in this car. Another thing, what if you go to adjust the valves and they don’t need any adjustment? That would mean you’re not turning the screws anyhow to break them free each time. All the valves were very close to perfect. Between .006 and .007. Not sure what would make the adjusters stick. It was maybe 2 or 3 out of the 8.

I am unsure how the heads get lubrication. Does the oil come down the push rod tubes? Does oil go up to the rocker and valves? I know, dumb question. But I have no knowledge. How do those screws get coked? I change my oil and have done adjustments when supposed to be done.

[67rustavenger]

This is an example of "coke" in an engine. When they get real hot the oil gets cooked into "coke." The "coke is like a heavy carbon deposit. When gets on threads like valve lash adjusters, they get a little hard to turn without breaking the "coke" loose from the threads(turning the adjuster nut with a wrench).
https://www.flickr.com/photos/145859457@N08/42376784895/

BTW not my picture. I hate third party hosting sites when posting on the samba.
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