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#1 |
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Regular
Join Date: Oct 2006
Posts: 177
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Belt chirp on shifting
Ok, when I go WOT or near WOT, then let off the gas a little before shifting, it sounds like I have some sort of belt chirp. When I go WOT and shift still in WOT, no chip. Never any other squealing or squeeking. Why is it doing this? I'm thinking belt actually runs over a pulley because it can't slow down as fast as the engine did? Does that make sense? Any ideas and how to fix? Brand new belt btw.
Just curious, I tell people it's my turbo blow off right now.....
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1998 Mustang GT Convertible, black on black on black with MAC prochamber H, Flowmasters, PI intake, SCT tune, K&N. |
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#2 |
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Doc
1986 SVO
Join Date: Nov 2006
Posts: 36,836
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hows the tensioner pulley look?
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#3 |
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Regular
Join Date: Oct 2006
Posts: 177
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Looks good to me, looks and feels very tight.....but I'm no mechanic. (actually, a mechanic told me it looked great 1k miles ago.
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1998 Mustang GT Convertible, black on black on black with MAC prochamber H, Flowmasters, PI intake, SCT tune, K&N. |
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#4 | |
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Look Ma! My First Post!
Join Date: Jan 2008
Posts: 1
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#5 |
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Regular
Join Date: Oct 2006
Posts: 177
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Any ideas?
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1998 Mustang GT Convertible, black on black on black with MAC prochamber H, Flowmasters, PI intake, SCT tune, K&N. |
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#6 |
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Newbie
Join Date: Feb 2008
Posts: 9
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my car with an sct tuner does the same thing on the 1-2 shift at WOT. i wouldn't worry about unless it happens when at partial throttle.
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#7 |
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Regular
Join Date: Oct 2006
Posts: 177
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Any other ideas? It's driving me nuts and I can't trace it....
It doesn't do it AT constant WOT, only when I hit it hard in WOT and release from the gas, then when if shifts, it chirps....well, almost screams.
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1998 Mustang GT Convertible, black on black on black with MAC prochamber H, Flowmasters, PI intake, SCT tune, K&N. |
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#8 |
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Regular
04 MUSTANG GT
14.5 @ 97.2
Join Date: Oct 2007
Location: SC
Posts: 312
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both my 2002 and 2004 gt have done this the ford dealership said that is something thay do with the mod motor to keep the belt from braking. i dont know if that is true or not. also my f150 did the same thing.
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#9 |
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MM Fanatic
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sounds like the belt is slipping mine does that,no biggie
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#10 |
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Regular
Join Date: Oct 2006
Posts: 177
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Think my belt might be a little too big? It really seems like when I let off, the engine drops rpms so fast that the belt keeps going and slips a bit. It's loud enough sometimes that people duck like they're being shot at.
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1998 Mustang GT Convertible, black on black on black with MAC prochamber H, Flowmasters, PI intake, SCT tune, K&N. |
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