Welcome to Mustang Evolution.
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06-30-2006, 07:06 PM
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#1
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Strange thump
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Registered User
Join Date: Jun 2006
Posts: 6
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My 04 mustang occasionally makes a strange thump noise. This only happens after i start it (within the 1st 20 seconds). It sounds like it is coming from below the drivers seat or maybe from below the shifter. Has anyone else had this happen and if you have what is it? Thanks for any help |
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06-30-2006, 07:09 PM
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#2
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Re: Strange thump
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BORLACATBACKOMFG
Join Date: Apr 2006
City: Starkville/Tupelo
State: Mississippi
Posts: 1,789
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I dunno man.. my 04 GT does that every so often... mine usually feels like it's below the shifter/floorboard on the driver's side too.
04 thing maybe?
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2004 40th Ann. redfire 4.6L GT / 1994 rio red v6 vert / 1990 7UP LX vert
2815
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06-30-2006, 07:14 PM
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#3
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Re: Strange thump
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postarama
Join Date: Aug 2003
City: Southaven
State: Mississippi
Posts: 24,295
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You'll have to show me what you're talking about sometime. I don't think I've ever heard that before...
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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06-30-2006, 07:16 PM
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#4
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Re: Strange thump
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BORLACATBACKOMFG
Join Date: Apr 2006
City: Starkville/Tupelo
State: Mississippi
Posts: 1,789
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does this happen often or is it just every once in a while?
mine doesn't do it every time I drive her.. just every so often..
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2004 40th Ann. redfire 4.6L GT / 1994 rio red v6 vert / 1990 7UP LX vert
2815
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06-30-2006, 08:06 PM
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#5
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Re: Strange thump
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Registered User
Join Date: Jun 2006
Posts: 6
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Only happens once in a while and in clusters. May happen 3 times in one week and then not agian for a month. The dealership thought i was insane when i went to them and my mechanic cant find anything either. |
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06-30-2006, 08:11 PM
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#6
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Re: Strange thump
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BORLACATBACKOMFG
Join Date: Apr 2006
City: Starkville/Tupelo
State: Mississippi
Posts: 1,789
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exactly. seems we might have the same problem.. and everytime I get someone to hear it.. it stops. Next time it starts up again I'll take it back to my mechanics and see if they can find anything. If they can find anything, I'll definitely pass it on to ya. She hasn't done it now for a month or so as well...
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2004 40th Ann. redfire 4.6L GT / 1994 rio red v6 vert / 1990 7UP LX vert
2815
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06-30-2006, 08:18 PM
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#7
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Re: Strange thump
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Registered User
Join Date: Jun 2006
Posts: 6
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Thanks, I feel a bit better knowing that im not the only one with this noise. |
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06-30-2006, 10:02 PM
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#8
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Re: Strange thump
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BORLACATBACKOMFG
Join Date: Apr 2006
City: Starkville/Tupelo
State: Mississippi
Posts: 1,789
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yeah really.
what gets me though is we're both 04.
I also forgot to ask ya is it only like one loud thump? cause that's what mine does..
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2004 40th Ann. redfire 4.6L GT / 1994 rio red v6 vert / 1990 7UP LX vert
2815
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07-01-2006, 10:26 AM
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#9
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Re: Strange thump
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Registered User
Join Date: Jun 2006
Posts: 6
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Yes, it's just one loud thump. I have one other question for you, what do you think about Eibach springs. I have been looking at the pro kit and i think it will really enhance the look of my car but im in boston and i worry about anything that will make winter driving worse than it already is (suprisingly it is not too bad, definatly not as bad as my 94 was!). I really appreciate any input you may have. |
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07-01-2006, 01:07 PM
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#10
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Re: Strange thump
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BORLACATBACKOMFG
Join Date: Apr 2006
City: Starkville/Tupelo
State: Mississippi
Posts: 1,789
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Eibach pro kit? I like em and plan to get a kit of my own sometime once I get the money.. I'm only looking to lower mine about an inch or so, since ground clearance is a must where I live. I've never been to Boston, much less in winter, but I don't think they'll make your winter driving worse.. when we ice down here, I have a few friends with em, and they've not had problems.. but then again, ya'll get a lot more than ice up there.. lol.
You had a 94 too.. woah. I do too. This is kinda cool. 
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2004 40th Ann. redfire 4.6L GT / 1994 rio red v6 vert / 1990 7UP LX vert
2815
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07-01-2006, 03:53 PM
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#11
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Re: Strange thump
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WTF^^...
Join Date: May 2003
City: Hoover / Florence
State: Alabama
Posts: 27,126
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when you shift into gear in an auto the rear makes noises some times
__________________
2003 REDFIRE COBRA #3938 of 5082 @ 05/27/2003 1 of 414
MGW Shifter, Stingers, JLT, SS Inserts, MM FLSFC & CC Plates, SS Lines, H&R Race springs, IRS Brace, MRT Hood Struts
ME.com Member #29 - 400rwhp/380rwtq
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07-01-2006, 04:30 PM
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#12
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Re: Strange thump
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BORLACATBACKOMFG
Join Date: Apr 2006
City: Starkville/Tupelo
State: Mississippi
Posts: 1,789
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that's the thing.. I know what you're talkin bout Spector, but this 'thump' is always under the front driver floorboard.. sometimes when it does it with mine, I can feel it under my feet... I dunno if melebop's does that though.
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2004 40th Ann. redfire 4.6L GT / 1994 rio red v6 vert / 1990 7UP LX vert
2815
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07-01-2006, 04:58 PM
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#13
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Re: Strange thump
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Registered User
Join Date: Jun 2006
Posts: 6
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The thump happens right after starting not when i shift and it is in the same area as aidans. |
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07-01-2006, 05:59 PM
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#14
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Re: Strange thump
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I need bolts
Join Date: Oct 2004
City: Dallas PA
State: Pennsylvania
Posts: 3,482
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07-02-2006, 04:15 PM
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#15
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Re: Strange thump
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Registered User
Join Date: Jun 2006
Posts: 6
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Is it possable that the noise could have something to do with the cats? I have not changed anything on my car yet it is still all original. |
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07-02-2006, 04:24 PM
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#16
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Re: Strange thump
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Teh TC6!
Join Date: Aug 2005
City: Sheppard AFB
State: Texas
Posts: 3,968
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Might it be a valve in the tranny opening weirdly...? If it's under the floor board it could be resonating from the transmission~
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