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10-05-2011, 01:10 PM
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#1 |
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Registered User
Join Date: Jul 2010
Location: CT
Posts: 39
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noise in 04 front
I liked my 72 burb so much i bought a newer one for a daily driver. 1/2 ton stablitrak,4wd 96k. The PO had the left front wheel bearing replaced a few months back. So when i heard a "pop corn" sound coming from the front of the truck i assumed the right one was ready. When i pulled the wheel and caliper the disc didn't move around like i expected so i put the tire back on for leverage and couldn't feel much if anything. With the trans in neutral and the rt front wheel off the ground you can hear a dry sound that seems to be from the front d shaft, the universals didn't seem loose by hand. The pop corn noise doesn't happen in reverse. The cv shaft felt ok. I changed the front diff fluid and it looked like 100k fluid should, no surprises.
1 Can you feel the hub bearing being loose short of grenade time? 2 Can this be from the spline shaft being dry in the t case? I see GM has a special lube for this. |
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10-05-2011, 08:00 PM
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#2 |
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#16876
Join Date: Apr 2005
Location: Auburn WA
Posts: 12,266
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Re: noise in 04 front
ttt
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Posted via Stationary Device '71 Custom Deluxe C-20 402. '67 Buick Special 455. '49 Plymouth Special Deluxe. "I love that old car smell"  Some people are like Slinkies... not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs. |
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10-06-2011, 08:31 AM
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#3 |
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Registered User
Join Date: Jul 2010
Location: CT
Posts: 39
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Re: noise in 04 front
Help the illiterate, what is ttt?
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69 Camaro 454 6spd/ 1st car and still have it 67 Chevelle 396 Convertible 57 GMC 1/2 t 56 GMC Napco Panel civilian defense 65 GMC v6 long panel 72 Burb |
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10-06-2011, 09:43 AM
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#4 |
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Registered User
Join Date: Jul 2004
Location: Houston, TX
Posts: 109
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Re: noise in 04 front
TTT = To The Top. Sorry I am not sure about your question either, because on my 1500HD the driver side bearing just went south without warning.
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2003 Chevrolet CCSB 4x4 1500HD Mine 2011 Toyota Corolla S Wife's new ride 2002 Pontiac Grand Am SE2 Wrecked/Totaled 2014 1990 Chevrolet 454SS GONE 02/26/11  1991 S10 SCSB GONE 12/24/08 1965 Chevrolet LB GONE 06/06/05 GM for life 
Last edited by 1990SSchevy65; 10-06-2011 at 09:49 AM. |
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10-06-2011, 04:20 PM
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#5 |
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Kung Fu Master
 
Join Date: Oct 2005
Location: Montana
Posts: 547
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Re: noise in 04 front
To me it sounds like a CV joint is bad causing the poping noise. You wouldn't be able to inspect them without removing the boots.
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72 GMC SuperCustom 4x4 1972 Chevrolet Cheyenne Super 4x4 |
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10-07-2011, 06:43 AM
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#6 |
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Registered User
Join Date: Jul 2010
Location: CT
Posts: 39
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Re: noise in 04 front
Th CV does make sense. The service report noted that the left bearing was really bad. Inside of the wheel is sprayed with rust which must have came from the carnage, maybe it damaged the joint. The noise telegraphs around so it's not easy to pinpoint.
Can you remove the stock boots for inspection and then replace them?
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69 Camaro 454 6spd/ 1st car and still have it 67 Chevelle 396 Convertible 57 GMC 1/2 t 56 GMC Napco Panel civilian defense 65 GMC v6 long panel 72 Burb |
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02-15-2012, 08:56 AM
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#7 |
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Registered User
Join Date: Jul 2010
Location: CT
Posts: 39
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Re: noise in 04 front
Wanted to wrap this thread up. After i bought a front hub assembly the noise became hard to find. It was still there but not as bad and really hard to pinpoint.
When i dropped the trans pan for fluid/filter i found a nice collection of metal pieces on the magnets and top of the filter. This was an under 2k miles GM rebuild installed by a dealer. Long story short, after they swapped the trans the noise was gone. Now that i have a new hub in stock i know those won't go for awhile!
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69 Camaro 454 6spd/ 1st car and still have it 67 Chevelle 396 Convertible 57 GMC 1/2 t 56 GMC Napco Panel civilian defense 65 GMC v6 long panel 72 Burb |
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02-15-2012, 09:28 AM
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#8 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,238
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Re: noise in 04 front
Glad you got it fixed!
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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