Installing Valve Stem Seals what's the right way to do this.

[Vr4junkie]

What's the right way to install valve stem seals I seen a few videos on youtube and there using a regular socket and tapping them in I tried this on a motor that I rebuilt and damaged the seals now it burns oil.


Is there a specific tool to do this or a better way to do this ?

 

[Barnes]

The right tool with the cylinder head on the block: http://www.euroexportinc.com/store/tools/mitsubishi-4g63-valve-spring-compressor.html

 

[4thStroke]

I used a socket and plenty of motor oil to gently tap them on, not a single issue.

 

[Defiant]

Are you attempting to do this while the head is still on?

 

[Vr4junkie]

I will most likely pull off the head but if I can take off the springs with the head on ill go that route but I haven't been able to find a good spring compressor but ill just use the old c clamp and half cut socket.

 

[Barnes]

Quoting 4thStroke:
I used a socket and plenty of motor oil to gently tap them on, not a single issue.



Can you pull them on and off with the socket method? I've seen various tricks like this, but I've been hesitant to go that route. For $75 I'll have the tool that, albeit slowly, I can remove and install my valve seals without issue.

 

[Vr4junkie]

I doubt it I had to use a needle noise to remove the seals they felt like they were glued on.

 

[4thStroke]

They can be a bitch to pull out, Jon. I used the hooked/circle end needle nose pliers to get at the from below and "lift" them off. I don't think you will have any luck reinstalling used seals, mine were mangled, they are pretty snug on the guides.

I actually used Torco assembly lube when I did mine, not engine oil.

 

[WaRrIoRs16]

Quoting Barnes:
The right tool with the cylinder head on the block: http://www.euroexportinc.com/store/tools/mitsubishi-4g63-valve-spring-compressor.html



This tool is awesome. I just used it to do the seals on the wife's spyder and it worked flawlessly. I just used some pliers and grabbed the end of the seal and pulled like hell til they popped off. When puting them back in I just pushed on them with a deep socket. They slide on smooth, then you can kinda feel that last oomph when the are on all the way. Flawless victory in about an hour from beginning to end.

 

[Barnes]

Derp. I just realized I was not even answering the OP's question. /ubbthreads/images/graemlins/banghead.gif I thought he was talking about getting the valve retainers off to get to the valve seals. /ubbthreads/images/graemlins/frown.gif

 

[ade]

Quoting Barnes:
The right tool with the cylinder head on the block: http://www.euroexportinc.com/store/tools/mitsubishi-4g63-valve-spring-compressor.html



how do you use this while still on the block? what holds the valves in place?

 

[Barnes]

There are two tricks people use to hold the valves in place. Either take the spark plug out, and coil a small rope inside the cylinder and bring the cylinder as close to top dead as you can. The rope will press up against the bottom of the valves. The other method involves using a compression tester fitting that you hook to an air compressor to pressurize the cylinder, thus holding the valves in place.

 

[Vr4junkie]

So I went to lowes and found this pvc pipe fits nice and tight around the seal might cut it down 4in and fill it with silicon just enough for the seal not to get stuck.

 

[ade]

i found a little heat applied to the alu around the seals helps get em out with min fuss.

 

[Vr4junkie]

Well heres the tool I ended up making works great compared to the socket fits nice and snug and the inside top has grey rtv to provide cushing when tapping in the seal. Cost to make this was $2.00 5ft pvc pipe(only size they had) $3.00 for Grey rtv and some bolt I had laying around total cost of little over $5 and plenty of rtv left over. Hope this helps give some ideas for those looking to replace there seals and rather use something different than a socket.