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Engine Specific Info and Questions => IDI Engine => Topic started by: Infinitrium on June 29, 2007, 01:10:53 pm
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I was doing a bit of thinking, and I am planning on not putting my Jetta on the road for a while. Instead, I want to save up a bit of cash and get that crank pulley/balancer fixed properly, in a garage by a mechanic. Assuming the crank nose isn't chewed up, approximately how much do you figure it would cost to have it done, parts and labour? I am going to do some looking around Tuesday. there are 2 garages in town who specialize in VW's and other German/European cars. Joe and Rob's and Alpine Motors. Anyone in New Brunswick has probably heard of them. I figure labor would be about $100+ an hour. I might be able to find someone to do it for less, but does the repair need any special skills the average mechanic might not possess? I'd like to get the timing belt done too but I'll have to check on the cost of the pulley repair first then decide if I'd have enough money to get the timing belt done.
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crank in or out?
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If the crank nose isn't damaged, just put a new crank gear and bolt on. The shop has to know how to do it correctly. If they can't tell you the torquing procedure, and know they need to use a new bolt, go find another shop.
Properly installed, a crank bolt won't come out. It's when they get messed with and not installed properly you get problems.
My father's in PEI, and could probably do the bolt for you if you want to go over the bridge, he's the unofficial VW diesel expert for PEI, there's usually a half dozen VDub's in the backyard at any given time. :D
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How much would the new crank gear and bolt cost? How long would it take to do? Could it be done by novice mechanics (me and my dad) or would it better be left to skilled professionals?
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crank in or out?
Crank in preferably. Removing the crank would get expensive, wouldn't it?
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I have been quoted $100 to mill the crank nose for the new TDI style D shaped pulley ( the permanent fix) if the nose of the crank isn't damaged. With crank out. If the crank end is damaged beyond a certain point and requires welding then it goes up to the $350 range. This is by someone who has performed this many times. I couldn't find another machine shop that I would feel confident in. Most of them just said no. I am right in the middle of this having pulled the motor and crank out. You don't have to dissassemble the motor totally just flip it over on the engine stand pull the pan , oil pump, rod caps, main caps, and F & R seal housings & out comes the crank. This assumes that you have the motor out. Cheers Dan
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Worst case scenario, crank nose damaged, needs machining with the crank still in the car. I'm thinking $800-$1000? I'm really hoping it doesn't come to that, I'm hoping that the crank nose is good and just needs the new bolt and pulley, balancer and whatnot.
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Actually the crank gear and bolt are not the core of the problem, they're just the things people see the immediate problem with. The real issue is the harmonic balancer, that needs to be replaced with a new one from VW, than replace the gear and bolt given the crank nose is still in good shape.
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the harmonic balancer is the root of the problem? this is news to me, any more info?
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VW updated the old style harmonic balancer to a newer one that works better. Even with that, they sometimes come from the factory off center and can cause a wobble. A bit of shimming can sometimes fix that.
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Its not a last resort method, last resort IMO is after the damage is done trying to replace the sprocket, bolt and or the harmonic balancer. IF you catch an AAZ engine before the crank issue occurs replace the harmonic balancer, the sprocket and bolt. A lot of people just replace the sprocket and bolt and than they still end up with the failure issue later on.
All that said that said if you are starting to wear, pull the crank, get it machined, use a new bolt, use the new harmonic balancer, (you'll obviously have to use a new sprocket after the machining) and be done with it :D
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I have an AAZ fitted to an '86 T3 camper.
The rear pully wabbles. I have just inspected (and attempted to remove) but I think it is this harmonic balacer rubber stuff has perished. How can I remove the pulley?
I have removed the four heax head long bolts, but for the life of me can't get the big bolt to undo?! I have areplacemtn big bolt, but am gussing I will need a new pulley and harmonic dampener.
Is the pulley mounted on some sort of hub? Can I remove the pulley without unding the big bolt?
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I got mine welded and machined for 200 bucks
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You don't need to remove the center (12pt 19mm) bolt to get the pulley/balancer off
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I have been quoted $100 to mill the crank nose for the new TDI style D shaped pulley ( the permanent fix) if the nose of the crank isn't damaged
Can you tell us who please? I might like to have my crank done that way.
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Pm sent
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Its not a last resort method, last resort IMO is after the damage is done trying to replace the sprocket, bolt and or the harmonic balancer. IF you catch an AAZ engine before the crank issue occurs replace the harmonic balancer, the sprocket and bolt. A lot of people just replace the sprocket and bolt and than they still end up with the failure issue later on.
All that said that said if you are starting to wear, pull the crank, get it machined, use a new bolt, use the new harmonic balancer, (you'll obviously have to use a new sprocket after the machining) and be done with it :D
Any advice on replacing the harmoinc dampener and pulley please? I can't undo the 12mm bolt, and would rather not replace the sprocket since mine seems adequatly secured.
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You don't need to remove the 12pt bolt to remove the balancer
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I realise I don't need to remove the 12mm bolt, but also do not want to dmage the setup when removing the pulley.
I have just spoken to VW regarding the pully and they want £266 -> $520 for a replacment unit!!!!! :x
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Are you planning on replacing the balancer then?
Is the balancer something you can only get from the dealer?
Every calls ive made they cant get the part...
I have the same issue my pulley is wobbling when idling but
looks pretty straight when you rev it up...
Im looking for a trustworthy shop around the scarborough area
to have someone look at it, any local diesel shops you guys wanna
recommend?
If doing this repair wont guarantee it from happening again because of the way they designed... i might just cut my losses; suggestions?
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I am planning on replacing the pulley (which has a rubber harmonic dampener built in) since it is showing the same sypmtoms as yours!
It is an easy fix as far as I can ascertain, save the price of the pulley!
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Machining the crank to accept a TDI pulley (or replacing with a new TDI crank) is permanent, and the "factory" fix.
Drilling holes and epoxying some pins through the pulley into the crank nose is a ghetto fix that seems to work, the downside is if you screw it up you can weaken the end of the crank nose enough to cause cracking, and it may not hold. Your mileage may vary, I did the epoxy and pin thing but:
a) it was a beater I wasn't overly concerned about;
b) I used to be an aircraft mechanic and know a bit of what I'm doing;
c) My father the VW diesel mechanic has used it successfully a few times for customers who didn't want to pay for the crank fix.
Cheaper harmonic balancers used to be found here: http://www.autohausaz.com I haven't looked there for a while.
I also got a much better price from VM Autohaus in Vancouver than from the dealer.
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http://www.autohausaz.com/search/group.aspx?sid=ejawd2fku5eocs55nme5ir55&makeid=800026@VW&modelid=1369379@GOLF%20TDI&year=1996&cid=belt@Belts%20and%20Belt%20Related%20Parts
Don't seem to list pullyes with dampener anymore, although I can seem to find pulleys without a dampener, part number: 037105253
http://catalog.autohausaz.com/autohausaz/detailw.jsp?sid=ejawd2fku5eocs55nme5ir55&partner=autohausaz&product=037105253
Would this work OK? What do you rekon? Or am I asking for problems win the sprocket area if I don't dampen the system?
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I think what you are looking for is part # 028105243T at Arizona autohaus. around $60 Cheers Dan
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I need one too but in canada though!
By the way the dealer price is listed way higher, reasons?
Harmonic Balancer
028 105 243T
558.88$
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I think what you are looking for is part # 028105243T at Arizona autohaus. around $60 Cheers Dan
About to order, but can anyone confirm this is the right part for an AAZ engine?
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lol you dont trust me ? heh i wouldnt trust myself either!
The p/n i posted above is straight from the dealer... it is correct
Im ordering one too myself
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I placed my order yesterday from autopartsonlinecanada.com
i ordered the the crankshaft pulley 028 105 243T and (im not sure if this is the right part but..) accessory belt pulley 028 145 278E --> the tdi pulley and the td pulley were the same part number :S?
The crankshaft pulley arrived today, IMO very fast! But the ACC. pulley hasnt because its coming from vancouver.
I hope I can have the car in the shop by next week and go from there. I havent pulled anything apart yet to see if the crank nose is damaged. (Im avoiding the whole TB job since I just did one 3 weeks ago and after i noticed the wobble i checked that the belt did not skip) Im going to take little steps by replacing this crankshaft pulley first to see if that was the problem. (Hopefully im lucky) If not, then i take it all apart and check the nose for damage, go from there... Im not in any rush with this car.
There is a little "nick" on it in the first pic.
I dont know enough to say its damaged, just to be sure; what do you guys think? Will it affect the belt?
(http://img409.imageshack.us/img409/9545/a11zk5.th.jpg) (http://img409.imageshack.us/my.php?image=a11zk5.jpg)
(http://img505.imageshack.us/img505/3391/a12ni0.th.jpg) (http://img505.imageshack.us/my.php?image=a12ni0.jpg)
(http://img504.imageshack.us/img504/605/a1jq6.th.jpg) (http://img504.imageshack.us/my.php?image=a1jq6.jpg)
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I would say that iis dmaged! Send it back since may cause premature wear on the belt?!
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I received a damaged pulley as well today from Autohauz AZ, simular damage to yours! Did you just file it out?
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so did we find out if vvandu's pulley is the right one?