So yeah....I bought a 2.5" pulley a couple weeks ago and decide to try and put it on today. Mind you, the car was cold so the metal of the 2.6" pulley and hub were cold as well. The first screw I start to take out snaps on me!!! I look at the head of it and it has horribly corroded over the past couple of months!! WTF?!?!
Pulleyboys says on their website:
Featuring a PH 15-5 stainless steel hub with a 6061 T651 cold drawn aluminum pulley that is clear anodized and 18-8 stainless steel hardware.
From what I've heard, if you rub certain stainless steel metals together, they will gal (I think that's the right spelling) and eventually start to corrode! Not to mention, the recess in which the screws sit on the aluminum pulley were also corroded. I wish I would of taken a picture of the other side of the damn pulley that was on there. It looks horrible!!
Word of advice, until I figure out what the hell is going on with this, you might want to hold off on upgrading your pulley. PFYC said this is the first time anyone has ever approached them with this problem. For some reason, they're sending me out another hub and screws free of charge. That doesn't help me if this crap keeps happening.
Here's a pic of the face of the pulley. Notice the corrosion in the countersunk part of it:
Here are the screws. Notice the odd colored stuff on the threads (It's not red like rust) and the corrosion on the countersink:
Has anyone else experienced this?!?! For those with the Qwikchange system, please go and check your screws to see if you are having the same problem. Make sure you do it when the engine is cold.
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No problems here. Just took it off to replace my leaking seal.
"Life Is To Short To Dance With Ugly Women."
Did you throw any type of anti-seize or anything on it? The instructions never said to do so so I didn't. I assumed that if you were to throw a lube of some sort on there that it would be possible to then vibrate loose the screws.
Not even a hint of corrosion like mine?
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Wow......I haven't seen anything like that. Anyway next time try to use some type of lubricant or anti-seize. I wish you better luck with the new one.
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Mind you this thing has only been on the car since the middle of March.......
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Sorry to bump this but I feel this is an issue that needs to be addressed. Anybody else have any experiences with the pulley system?
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That type of corrosion looks as if salt got to it.
Do you have salty air, or do they use salt for the roads in your area, do you live close to salty water?
But from the pics, it does not look like you are in trouble in any way, I would suggest scrapping the corosion out with sandpaper and shoot some anti-corrosion grease.
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-----The orginal Mr.Goodwrench on the JBO since 11/99-----
Another pic for ya of the backside of the pulley:
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Interesting thought Mr. Goodwrench. But why did the corrosion only happen on mating surfaces of metal? Salt corrosion wouldn't make sense unless the whole thing was corroded on the outside.
You are correct in assuming I live around salt though. The state of Michigan loves to turn our roads into salt licks during the winter. However, there's only been one snowfall inbetween the middle of March and now. I wasn't even driving around in it so there's no chance I would of gotten anything on the pulley.
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best thing i could tell ya is to check with the GTP guys , as more of them have them
Mr.Pute
Looking at your new picture, it looks to be normal use. Ever look inside of the wheel when removing the wheel? It looks like like that, it looks like it's going through normal use. Again, from the pics it looks like nothing to worry about.
I say salt go to it, especially in those section as you mentioned, it is because it got (traped) in there and corosion formed and with time it did not clean it self off as it would on the outside.
As for the salt in the streets, it is hard disolve. Case in point, ever dissolve salt in cold water? It takes alot of stirring to disolve, correct?
Here salt that was laid out on the street once, will not get disolve from one day to another, it will take lots of torential showers to disolve.
But here is where I think salt got to it. When driving closely to another car in front of you in the rain or even in dry condition. The air/and or water picked up by the car in front takes it in the air and you behind it, pick up the turbulence left by the car in front. That turbulance has the salt. Here is where it looks like the problem begins.
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-----The orginal Mr.Goodwrench on the JBO since 11/99-----
hmm maybe i should check mine now
2006 Black Cobalt SS Supercharged G85
13.91@102.77
Mr. Pute wrote:Did you throw any type of anti-seize or anything on it? The instructions never said to do so so I didn't. I assumed that if you were to throw a lube of some sort on there that it would be possible to then vibrate loose the screws.
Not even a hint of corrosion like mine?
Actually I put some blue lock-tite on there cause I was afraid they would rattle loose. Anti-seize would really make them fall out.
"Life Is To Short To Dance With Ugly Women."
iv seen it when a hard metle ( stainless is high in nickle) is over stressed. maby its posable its been over tightened.?
chris
'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08
Anti-seize will not make bolts or nuts come loose. When I was in the army, we put anti-seize on every bolt and nut including the lugnuts and never once had a problem with a loose bolt or nut. Just use the proper torque and you'll be fine.
Is that a...a...a... a Cavalier?
I've had no problems with my quick change hub and pulley (ZZP) either. I haven't had it as long as you but so far so good. I wouldn't really worry too much about it. Replace the hub and pulley with the new one they are sending you and just keep an eye on it.
Quoth the Raven 'Nevermore
raven@accesswave.ca
Raven Autosports
55 McQuade Lake Cres,
Halifax, Nova Scotia, Canada
(902) 850-3330
10.82@132
Threw the new one on yestereday. I took extra care to throw anti-seize on all of the mating surfaces. I checked the bolts today. None of them have come out at all.
From what I'm hearing, it's what you call a galvanic reaction. When two disimilar metals are pushed against each other and moisture gets between the two, a voltage is created between them. Kind of like making a battery. The metals start to corrode just like a battery does as well.
Very odd that I'm the only one having this problem.....
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