Weird noise after changing SC pulley...?
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Weird noise after changing SC pulley...?
I took my car into the dealer today to have them swap my pulleys. So, when I get it back, the snout makes a weird noise now. Not so much of a screech, but a chirping type noise, kinda like a bird call. I checked the oil, and it'* about 1/4" below the bottom of the fill hole. They had to take the snout off to get the old pulley off, it was stuck on there pretty darn good, so maybe the guy didn't put enough SC oil back in? Or did he mess up a bearing in the process? I did notice some metal shavings on the snout, wiped them off, and so far don't notice any more. I've only drove it for maybe 20 miles so far, so maybe the oil just needs to work itself back into the bearings? Or is there something else I'm missing here?
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Re: Weird noise after changing SC pulley...?
Originally Posted by mikey383
I took my car into the dealer today to have them swap my pulleys. So, when I get it back, the snout makes a weird noise now. Not so much of a screech, but a chirping type noise, kinda like a bird call. I checked the oil, and it'* about 1/4" below the bottom of the fill hole. They had to take the snout off to get the old pulley off, it was stuck on there pretty darn good, so maybe the guy didn't put enough SC oil back in? Or did he mess up a bearing in the process? I did notice some metal shavings on the snout, wiped them off, and so far don't notice any more. I've only drove it for maybe 20 miles so far, so maybe the oil just needs to work itself back into the bearings? Or is there something else I'm missing here?
the snout should not have to come off.....all you needed was a pulley puller....i dont think the dealer knew what they were doing
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Originally Posted by J Wikoff
If you take off the belt, can you get the shaft to wobble?
Originally Posted by 1993 SLE
the snout should not have to come off.....all you needed was a pulley puller....i dont think the dealer knew what they were doing
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Chirping is belt noise. They either didn't install the pulley fully, and you'll start seeing belt wear on one edge of the pulley and belt, or the pulley just needs to 'break in' it'* anodizing.
OR you need an oversized idler pulley or shorter belt due to belt slip.
OR you need an oversized idler pulley or shorter belt due to belt slip.
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I smell a VERY large SNAFU, FUBAR, BOHICA here.
And they probably won't accept liability. A shame the coupler wasn't replaced while the snout was off, and a shame they didn't fully top off the snout. Unless it'* leaking.
And they probably won't accept liability. A shame the coupler wasn't replaced while the snout was off, and a shame they didn't fully top off the snout. Unless it'* leaking.
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I got the oversized tensioner. It only seems to make the noise the most at around 2k+ RPMs.
I tried to get them to change the coupler while the snout was off, but they said they don't carry the internal parts. Snout isn't leaking oil anywhere that I've noticed. The pulley is in the same spot that the old one was, front of the pulley even with the shaft. I'll drive it for a day or so, and if it doesn't cease, I'll have to look into it further or take it back to them.
On a side note, they did make me sign a waiver saying they aren't liable for any damages arising from this modification...slinging a piston out of the oil pan, etc. But they can still be liable for any damages done while installing the pulley.
I tried to get them to change the coupler while the snout was off, but they said they don't carry the internal parts. Snout isn't leaking oil anywhere that I've noticed. The pulley is in the same spot that the old one was, front of the pulley even with the shaft. I'll drive it for a day or so, and if it doesn't cease, I'll have to look into it further or take it back to them.
On a side note, they did make me sign a waiver saying they aren't liable for any damages arising from this modification...slinging a piston out of the oil pan, etc. But they can still be liable for any damages done while installing the pulley.
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Well, I noticed that the noise goes away under moderate to heavy acceleration, so I'm thinking it'* probably just the anodizing on the pulley needing broke-in. If it doesn't quit in a day or so, and I notice more metal on the snout, then I'll be worried.
BTW, I'm not hearing any knock, do you think I'm okay with all the mods I've done so far, or could I just not be hearing it? Is a CAI really neccesary, or will a gutted airbox suffice? I'm running 93 - 94 octane with every re-fuel, and I'll be changing the exhaust in a few weeks. Any other advice?
BTW, I'm not hearing any knock, do you think I'm okay with all the mods I've done so far, or could I just not be hearing it? Is a CAI really neccesary, or will a gutted airbox suffice? I'm running 93 - 94 octane with every re-fuel, and I'll be changing the exhaust in a few weeks. Any other advice?
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Advice? Scan now, then scan again in late spring (hotter weather). My personal opinion is that you shouldn't pulley with even a gutted airbox. It'* a rule of thumb after changing to a smaller pulley to scan.
What type of belt are you running? Have you considered changing it to a Gatorback? You won't see metal shavings. You'll see BELT shavings. Black dust over time with slip/shreddage.
What type of belt are you running? Have you considered changing it to a Gatorback? You won't see metal shavings. You'll see BELT shavings. Black dust over time with slip/shreddage.