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04-08-2014, 02:34 AM
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#1 |
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Registered User
Join Date: Jan 2007
Location: shoreline, wa
Posts: 1,565
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5.3L rattle at freeway speeds?
On my 01 z71 with a 5.3l I can here a rattle noise that sounds like it is coming from the engine. I can only here it with the windows up and the radio down. It only happens at speeds above 50. Any ideas?
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68 swb fleet bagged on 20's 327 with 4 speed http://67-72chevytrucks.com/vboard/s...d.php?t=223308 2014 Chevy 2500hd duramax CCLB |
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04-10-2014, 12:25 AM
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#2 |
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Registered User
Join Date: Jan 2007
Location: shoreline, wa
Posts: 1,565
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Re: 5.3L rattle at freeway speeds?
Any ideas?
__________________
68 swb fleet bagged on 20's 327 with 4 speed http://67-72chevytrucks.com/vboard/s...d.php?t=223308 2014 Chevy 2500hd duramax CCLB |
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04-10-2014, 12:27 PM
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#3 |
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Registered User
Join Date: Jul 2013
Location: Floriduh
Posts: 386
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Re: 5.3L rattle at freeway speeds?
turn up the radio, or give us more details...
having a rattle at highway speeds is like saying my car wont start...
__________________
Ed will be known as the Tiger Woods of the integration business |
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04-12-2014, 02:15 AM
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#4 |
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Registered User
Join Date: Jan 2007
Location: shoreline, wa
Posts: 1,565
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Re: 5.3L rattle at freeway speeds?
It is a dull rattle when the radio is turned off. When I'm next Tina jersey barrier or wall I can hear it louder with the windows down. Replaced u-joints, rebuilt transfer case, checked and serviced both diffs and i put it in neutral and shut the motor off and still heard it both huns are new and I pulled the cv axles and still heard it.
__________________
68 swb fleet bagged on 20's 327 with 4 speed http://67-72chevytrucks.com/vboard/s...d.php?t=223308 2014 Chevy 2500hd duramax CCLB |
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04-12-2014, 05:00 PM
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#5 |
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Registered User
Join Date: Jul 2013
Location: Floriduh
Posts: 386
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Re: 5.3L rattle at freeway speeds?
are you sure its not some kind of exhaust rattle or heat sheild?
could be a brake pad seems like you did a lot of work to track down a rattle
__________________
Ed will be known as the Tiger Woods of the integration business |
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04-12-2014, 09:27 PM
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#6 |
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Registered User
Join Date: Nov 2011
Location: Chicago, IL
Posts: 321
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Re: 5.3L rattle at freeway speeds?
I know alot of guys replace a bearing in the steering column sounds like a ball bearing vibrating my truck does it now and then about 2500 rpms it was a common problem with the 99 06 trucks
I dont remember the details you should be able to google it |
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04-12-2014, 10:05 PM
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#7 |
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Registered User
Join Date: Jul 2013
Location: Floriduh
Posts: 386
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Re: 5.3L rattle at freeway speeds?
it could be the flex plate?
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Ed will be known as the Tiger Woods of the integration business |
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