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AAZ and 92 Golf 1.8L (8v) flywheel
by
erice1984
on 20 Jul, 2012 00:36
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My vehicle: 80 Rabbit, AAZ + 020 5-spd (ASF)
I bought this flywheel from the local parts store. It is 210mm from 92 Golf 1.8L PF Engine Clutch was from the same.
Part Number: IMC Zimmermann 050 54002 398
I have two questions:
1.) The TDC mark, is it the same regardless of diesel AAZ, gas PF engines?
2.) Where is the TDC mark?
I have two large marks on the flywheel. I was reading that the TDC is a small mark and near a bolt. The bolt, is it in between the large marks?
Thanks for the help
-Eric
The picture below is not one of MY flywheel. I found it on the web for reference.
The second picture has the weird mark colored in and person was claiming that this mark is the TDC mark.
So is it A or B or neither?
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#1
by
R.O.R-2.0
on 20 Jul, 2012 01:00
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the dimple closer to the bolt hole is the TDC mark.
the NOTCH is the 6* timing mark..
use the dimple closest to the bolt hole to find TDC. mark it with some nail polish, or paint marker, whatever..
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#2
by
theman53
on 20 Jul, 2012 08:17
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Thet AAZ flywheel will be marked correctly. The gas one then follow kevin's advice.
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#3
by
Dakotakid
on 20 Jul, 2012 13:10
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Is this flywheel BRAND NEW?
If so, do you have a way (digital caliper, etc.) to precisely measure the distance between 1) the lower flat clutch plate friction surface and 2) the upper machined flat surface (where the pressure plate rests in the flywheel wall)?
I have been dying to find someone with a new flywheel to measure and report that distance. I believe it is about 28 mm.? Can you handle this measurement or ask someone else to do it?
I've never been able to get a true answer out of anyone. This info is important to know when having a used flywheel machined and checking for previous (unknown) machine work. You see, all my spare flywheels are of totally unknown origin. Would appreciate an intelligent measurement.
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#4
by
erice1984
on 20 Jul, 2012 16:49
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Is this flywheel BRAND NEW?
If so, do you have a way (digital caliper, etc.) to precisely measure the distance between 1) the lower flat clutch plate friction surface and 2) the upper machined flat surface (where the pressure plate rests in the flywheel wall)?
I have been dying to find someone with a new flywheel to measure and report that distance. I believe it is about 28 mm.? Can you handle this measurement or ask someone else to do it?
I've never been able to get a true answer out of anyone. This info is important to know when having a used flywheel machined and checking for previous (unknown) machine work. You see, all my spare flywheels are of totally unknown origin. Would appreciate an intelligent measurement.
Sorry, it is already in the car. Go to a parts store, have them order one. Measure it, return it (unused). You got your measurement! Or call a manufacturer of the part and ask them for the information if they will give it to you.
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#5
by
erice1984
on 21 Jul, 2012 02:39
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Here is a picture of my flywheel. I didn't see any other marks on the flywheel other than this one. It was the closest to my straw-into-the-fuel-inj-hole-finding-TDC method, so I am assuming it is the TDC mark (the top mark).
Anyone confirm?
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#6
by
R.O.R-2.0
on 21 Jul, 2012 13:46
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congrats.. you have a DIGI flywheel.. aka NO TIMING/TDC MARK..
its gotta be right at the edge of the bolt head recess.. that mark is the 6* mark..
it will KNOCK every time you shift, if you time it with that mark..
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#7
by
erice1984
on 22 Jul, 2012 00:09
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congrats.. you have a DIGI flywheel.. aka NO TIMING/TDC MARK..
its gotta be right at the edge of the bolt head recess.. that mark is the 6* mark..
it will KNOCK every time you shift, if you time it with that mark..
Thanks ROR. I really appreciate the help
This is what I ended up doing. I didn't have a chisel to make a nice line so I used a small drill bit.
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#8
by
R.O.R-2.0
on 22 Jul, 2012 15:08
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right where you have it, is about TDC. i would line up the pointer with the LEADING edge of the dimple.. thats a hair too far back, but in the general right spot!
congrats.. that will get you closer than the 6* timing mark for the digi engine.
glad i could be of some help..
i knew exactly what was wrong, simply because I HAVE DONE THE SAME THING.. and my engine never would time right. and it would KNOCK every time i shifted.
sounded like a BAD rod knock with every shift! only when revs were falling tho!
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#9
by
8v-of-fury
on 23 Jul, 2012 22:58
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DIgi doesnt have a TDC mark? wtf. means I timed my gf's 90 1.8 wrong then... LOL
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#10
by
R.O.R-2.0
on 25 Jul, 2012 12:10
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DIgi doesnt have a TDC mark? wtf. means I timed my gf's 90 1.8 wrong then... LOL
digi has a 6* timing mark for the ignition.. no TDC mark. i had to make my own, like the OP.
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#11
by
madrogers
on 28 Jul, 2012 00:30
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when i did my aaz/210mm gas flwheel upgrade what i did was set my pump timeing to spec with the aaz flywheel in place them swap in the 210 gas flywheel and use the pump spec i recorded earlyer to set the flywheel in that place and them stamped the flywhell at the trans pointer for the tdc mark. it should be dead on.
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#12
by
R.O.R-2.0
on 30 Jul, 2012 13:59
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when i did my aaz/210mm gas flwheel upgrade what i did was set my pump timeing to spec with the aaz flywheel in place them swap in the 210 gas flywheel and use the pump spec i recorded earlyer to set the flywheel in that place and them stamped the flywhell at the trans pointer for the tdc mark. it should be dead on.
if your engine is not able to be timed, or you dont have the stock diesel wheel, then that is highly impossible..
its way easier to just find TDC and mark the location..
i happen to know that the TDC mark on every single VW 020 flywheel is in the EXACT SAME SPOT tho, so i can mark them by eye, and get them VERY CLOSE..
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#13
by
8v-of-fury
on 30 Jul, 2012 14:53
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when i did my aaz/210mm gas flwheel upgrade what i did was set my pump timeing to spec with the aaz flywheel in place them swap in the 210 gas flywheel and use the pump spec i recorded earlyer to set the flywheel in that place and them stamped the flywhell at the trans pointer for the tdc mark. it should be dead on.
Your method works perfectly, but what you could have done as well is just laid the two flywheels one on the other and transferred the mark.
so i can mark them by eye, and get them VERY CLOSE..
Isn't every timing job by eye since you don't lock the crank down, and you peer through a stupid dark hole to say "yeah that looks close enough" lol.
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#14
by
erice1984
on 30 Jul, 2012 17:42
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so i can mark them by eye, and get them VERY CLOSE..
Isn't every timing job by eye since you don't lock the crank down, and you peer through a stupid dark hole to say "yeah that looks close enough" lol.
lol Exactly right...