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Old 11-04-2012, 08:19 AM   #1
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squawking noise coming from supercharger

just crossed 14k miles and im starting to hear loud a squawking noise coming from my supercharger mostly at startup but today its just not going away. sounds like some sort of bad bearing, going to dealer in morning
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Old 11-04-2012, 08:26 AM   #2
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It's probably the spring insulator. Common on the LSA motor. More of a nuisance than anything. If they replace it with the stock piece it will come back again. A few aftermarket companies have a solid insulator which does minimize the noise, but doesn't completely eliminate it.
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Old 11-04-2012, 09:44 AM   #3
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At 8000 my superchager started howling at about 2500 to 3000 on part throttle went to the dealer they put on a new superchager hope the the new one holds up better want to put on a pulley but wont if this is going to be a problem
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Old 11-04-2012, 09:52 AM   #4
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On my GT500, I had a Whipple 2.9L blower. I bought it used from a guy in Florida. He did NOT check the oil in the gear case, but I DID when I received it from him. It was low, so I drained it and replaced the oil before installing it on my motor. I just knew that this was going to be a problem down the road (him running the blower without enough oil in the gear case)...and sure enough, I started to hear some squawking too. It got worse and worse, and then failure. I sent it to Whipple in California for a repair job. The entire front gear case was ruined. They replaced all the internals. The entire blower was brand new except for the outside housing. That obviously fixed the problem. So, it sounds to me like your blower's gears are going out. Time to get it to the dealer. But don't worry, warranty will take care of everything.
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Old 11-04-2012, 10:21 AM   #5
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im not worried just makes me question doin any mods that would kill the 100k mile warranty on the motor. is it safe to drive to the dealership like that or should i take off the supercharger belt then drive it there?
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Old 11-04-2012, 10:27 AM   #6
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I wouldn't do any mods that would destroy your warranty, thats just me personally. Good thing you haven't hope your able to get your car up to speed!...
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Old 11-04-2012, 11:21 AM   #7
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Don't take the belt off drive it or tow it the warranty should cover the tow I drove mine like 300 mile before I took it in you should be fine
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Old 11-04-2012, 12:31 PM   #8
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Quote:
Originally Posted by justindewoody View Post
On my GT500, I had a Whipple 2.9L blower. I bought it used from a guy in Florida. He did NOT check the oil in the gear case, but I DID when I received it from him. It was low, so I drained it and replaced the oil before installing it on my motor. I just knew that this was going to be a problem down the road (him running the blower without enough oil in the gear case)...and sure enough, I started to hear some squawking too. It got worse and worse, and then failure. I sent it to Whipple in California for a repair job. The entire front gear case was ruined. They replaced all the internals. The entire blower was brand new except for the outside housing. That obviously fixed the problem. So, it sounds to me like your blower's gears are going out. Time to get it to the dealer. But don't worry, warranty will take care of everything.
You bring up an interesting point that I hadn't thought about. Is there a blower gear oil check area on a stock ZL1 supercharger? I don't remember it being mentioned in our forum before. Thanks.
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Old 11-04-2012, 12:35 PM   #9
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Originally Posted by 4fbodys View Post
Don't take the belt off drive it or tow it the warranty should cover the tow I drove mine like 300 mile before I took it in you should be fine
Dont drive it you say yet you put 300 miles on it that way? Ok then
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Old 11-04-2012, 02:11 PM   #10
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I said dont take off the belt the tech that may work on your car will say you are tampering with it I did not say dont drive it I am a tech at a dealer for another car brand and know that our cars run the a tvs style blower and we are filed for life so becareful what you do take it in and let the warranty deal with it thats what it's there for
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Old 11-04-2012, 03:14 PM   #11
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Yes, you CAN take off the blower belt and still drive it. It will feel very slow, but drivable. I have done this very thing before. it will be like driving your car around very slowly where you don't get into boost. It will be OK though. Take it STRAIGHT TO THE DEALERSHIP.
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Old 11-04-2012, 03:26 PM   #12
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Originally Posted by ZEDL1 View Post
You bring up an interesting point that I hadn't thought about. Is there a blower gear oil check area on a stock ZL1 supercharger? I don't remember it being mentioned in our forum before. Thanks.
+1 ?????
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Old 11-04-2012, 03:35 PM   #13
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There is no oil check or fluid replacement on the tvs 1900 these cars come with . Its a sealed bearing design. Same for the tvs 2300 on the zr1.
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Old 11-04-2012, 04:24 PM   #14
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How long of a repair is that?
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Old 11-04-2012, 06:26 PM   #15
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Turn around for me was about 3 day they had to open a repair case and get approval from gm for my car to replace the blower then order it and replace it I would say the same for you
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Old 11-04-2012, 08:54 PM   #16
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Quote:
Originally Posted by justindewoody View Post
On my GT500, I had a Whipple 2.9L blower. I bought it used from a guy in Florida. He did NOT check the oil in the gear case, but I DID when I received it from him. It was low, so I drained it and replaced the oil before installing it on my motor. I just knew that this was going to be a problem down the road (him running the blower without enough oil in the gear case)...and sure enough, I started to hear some squawking too. It got worse and worse, and then failure. I sent it to Whipple in California for a repair job. The entire front gear case was ruined. They replaced all the internals. The entire blower was brand new except for the outside housing. That obviously fixed the problem. So, it sounds to me like your blower's gears are going out. Time to get it to the dealer. But don't worry, warranty will take care of everything.
Whipple headquarters is right down the street from my work.
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Old 11-05-2012, 09:18 AM   #17
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here is the update, they are replacing my supercharger. the service bulletin says that if it makes as much noise as mine was that they need to replace the supercharger. got 1 coming in from charlotte so if all goes well i will be done wednesday eve. once its apart i will go take pics of the impellers and intake tubes for haha's since im sure i have 1 of the higher mileage 12's. im hoping its fairly clean since i am using a catch can setup
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Old 11-05-2012, 12:01 PM   #18
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Quote:
Originally Posted by joes407 View Post
here is the update, they are replacing my supercharger. the service bulletin says that if it makes as much noise as mine was that they need to replace the supercharger. got 1 coming in from charlotte so if all goes well i will be done wednesday eve. once its apart i will go take pics of the impellers and intake tubes for haha's since im sure i have 1 of the higher mileage 12's. im hoping its fairly clean since i am using a catch can setup
Really Waiting To See Pic's And What The Catch Can Does - Just Came From SEMA And Talked Directly To One Of The GM Engine Builders - He Still Claiming No Catch Can Needed As Far As GM Is Concerned
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Old 11-05-2012, 04:08 PM   #19
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Engine is apart and im amazed how clean it all is. My catch can is doing its job. if the oil i drain out of the can was getting sucked back through my intake would be way blacker
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Old 11-05-2012, 04:26 PM   #20
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pics

pics
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Old 11-05-2012, 04:58 PM   #21
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squawking noise coming from supercharger

Well, you did drive past that chicken farm pretty fast and now they're missing one hen, so...
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Old 11-05-2012, 05:06 PM   #22
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Cool pics.
First time I've seen inside of the GM Blower.

Your intake ports do look pretty clean.Mine looked about the same when I installed my blower at 10,000 miles.

I'm always amazed at how large the intake ports are on these engines when compared to the tried and true old school Chevy 350.
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Old 11-05-2012, 06:22 PM   #23
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Thanks for posting the pics. Looks real clean. Which catch can are you using? I've been thinking about getting one.
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Old 11-05-2012, 06:30 PM   #24
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i use the Rx brand catch can from rev extreme, they are vendors on this site and a great bunch of guys to work with.
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Old 11-05-2012, 07:02 PM   #25
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Thanks. Is it catching a decent amount of oil?
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