

| Subject: | Re: Clutch alignment tool? and Lapping compound ? |
| From: | BenT Syncro |
| Date: | Sat, 4 Sep 2010 17:17:13 -0700 |
Don, In recent times, everytime I've bought a new clutch plate, it came with a plastic alignment tool in the box. BenT Sent from my pressureplate On Sep 4, 2010, at 4:16 PM, Don Hanson <dhanson928@GMAIL.COM> wrote: > I am in the process of swapping parts around in my 84 5sp manual > transmission inline gas VW powered vanagon. I took out my 1.8 liter 92 > Jetta motor to swap in a 2.0 liter Jetta bottom end. I'll reinstall my 1.8 > liter head onto the new 2.0 liter block and also re-use my 1.8 liter > 'everything else' almost on the ABA block. The ABA block is said to make > more power. > > So I haven't swapped a clutch recently. I know I have to align the disc > so it will remate with the output shaft of the trans. Most people seem to > use a second old tranny shaft? Or some special tool? Is there a way to > "McGuiver" something that would work without trying to source a spare shaft > or mail order a clutch alignment tool? I did a quick Google and I see the > tool for pretty inexpensive, but I really want to finish up this swap in a > day or two and get my van going again. Could I carve or shape something > from wood or PVC pipe or some-such, maybe duplicate the dimensions of my > existing output shaft..since all the same parts need to remate anyhow? I am > working alone, so I want my reinstallation of the motor to be as smooth as > possible. > > Second question....I've seen valves lapped into heads using an abrasive > compound on the valve seat and simply spinning the valve with some kind of > compound between the valve and the seat. I want to surface my 1.8liter head > myself, in that same manner. In order to clean off all the old gasket and > get a good seal without taking it to a machine shop and trusting that job to > someone I don't know, I want to use some lapping compound and a flat > surface, like thick plate glass, and simply 'plane' the surface of the head > by hand until it is shiny and flat. Has anyone done this? It looks like I > can do it without removing the cam or the valves..just take off the > manifolds and I have the bottom of the head clear. I want to put it > face-down on the flat surface with some compound and simply 'sand down' the > mating surface till it is smooth, clean and flat. > > I see that compound comes in a couple of "grades", like sandpaper. What > grade do I need to go down to in order to get a good headgasket seal? My > "new" block was not leaking when I took that head off. The old 1.8 liter > one was leaking, but the head is ok, not cracked or badly warped. The last > time I removed and replaced that head, I did not surface anything..and after > 40k miles, the headgasket did blow out between two of the cylinders...I > recall someone saying "If you can avoid 'unsealing a motor' you should. It > is difficult to get a good headgasket seal again"...They seem to have been > right on..cause mine did eventually leak...Probably due to me cutting > corners with the re-assembly... > > Anyone know these answers or care to advise? Thanks > > Don Hanson
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