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Re: [T3] Valve stem seals ?

On Sat, 2006-05-06 at 22:39, Jim Adney wrote:
> Okay, I went and checked the microfilm AND the paper parts list. The 
> "seals" are on illustration 6, item 19,
> The paper parts book says:
> 113 109 619	ring - oil deflection		quantity 8
> While the microfilm says "X" in the quantity column. 
> X for quantity means "as required", but the next item below, item 20, 
> is valve stem caps, which is listed as quantity 8. I've never seen 
> one of those, so I'm gonna guess that the quantities of those got 
> switched, since the valve stem caps were just a repair item. I don't 
> think they were ever supplied on new engines.

The caps are for use on valve stems that are dished on the ends. They
were used more on the older engines than the late models. What you are
seeing listed ARE a repair part, for when you can't get a good valve

> My impression is that the valve stem "seals" came on all 8 valves, 
> but it's also clear that most engines do fine without them. We know 
> that they harden and break off in time, because we find the broken 
> bits in the engine sump. It would be impossible to say which 4 valves 
> on your engine still had the seals, but maybe the exhaust valve stems 
> would have run hotter and shed their seals first.
> Nevertheless, when I build an engine I put them on every valve, and I 
> can assure you that that works also.
> The microfilm indicates that these seals come as part of some gasket 
> set, so I checked the contents of the gasket sets as listed in the 
> microfilm. They aren't in the engine gasket sets, however, they ARE 
> in the cylinder head gasket sets. These gasket kits are for one side 
> of the engine and each contains 4 of those "seals." That makes for 8 
> in each engine, or one for each valve.
> I've never actually seen one of those "head" gasket sets.
The dealers never even stocked them, as they cost almost as much as a
complete gasket set. But if the repair was a warranty job, that only
required pulling 1 head, that is all the factory would pay for.

Russ Wolfe
'71 FB AT
'66 FB MT
'64 T34 (not running)
'65 T1 (not running)
'05 KIA Sorento SUV

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