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#1 |
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Enthusiast
Join Date: Oct 2006
Posts: 520
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Engine slip under boost
Lately when I boost my 03 cobra, the engine slips considerably. Its almost the same effect as losing traction for a second (but ive got brand new eagle f1s on the back so I know that aint it)...any thoughts?
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#2 |
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Safud: MM's Resident Hadji
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Maybe the clutch?
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#3 |
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Hardcore Enthusiast
2004 Cobra
7.4@97 Eaton
Join Date: Jan 2009
Posts: 2,124
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Yep, check your clutch adjuster which is on the driver side attached to the firewall. Turn it in.
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![]() NEW NUMBERS: 609/543 Last edited by Jobra; November 26th, 2010 at 12:29 AM. |
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#4 |
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MM Fanatic
2000 gt
Join Date: Feb 2009
Location: La grange, KY
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ya sounds like clutch slip
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Procharged 2000 5 Speed BAB GT, built motor, blower cams, speedy dyno tune 412 hp, 450 rw tqHARDCORE CREW BRIGHT ATLANTIC BLUE CREW #1 MEMBER |
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#5 |
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Enthusiast
Join Date: Oct 2006
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How can it be clutch slip when the clutch is not engaged
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#6 |
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Hardcore Enthusiast
2004 Cobra
7.4@97 Eaton
Join Date: Jan 2009
Posts: 2,124
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??
To me, the clutch is OPEN when your foot is down, and ENGAGED when your driving in gear. If your driving along and you punch it and the rpms spike but your not losing traction, that is a slipping clutch.
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#7 |
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Enthusiast
Join Date: Oct 2006
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I cant even see down therr therrs so much shit in the enginene compartment, wgat does tge adjuster look like and where exactly is it
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#8 |
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Hardcore Enthusiast
2004 Cobra
7.4@97 Eaton
Join Date: Jan 2009
Posts: 2,124
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Mine is aftermarket, but it looks like this:
![]() ![]() If your adjuster is all STOCK, look here: How To Adjust Clutch Cable - SVTPerformance
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#9 |
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Enthusiast
03 Cobra
Join Date: Oct 2009
Location: Nebraska
Posts: 809
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Think he meant drivers side.
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MM Cobra Club #86 2003 Mineral Grey Cobra 2004 True Blue F-150 FX4 |
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#10 |
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Enthusiast
03 Cobra
Join Date: Oct 2009
Location: Nebraska
Posts: 809
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Usually when your clutch starts to slip its not an adjustment issue. Its more than likely a sign of wear or contamination and will have to be replaced.
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MM Cobra Club #86 2003 Mineral Grey Cobra 2004 True Blue F-150 FX4 |
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#11 |
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Hardcore Enthusiast
2004 Cobra
7.4@97 Eaton
Join Date: Jan 2009
Posts: 2,124
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Doh lol oops
Yep usually. I remember trying to adjust mine and randomly one night i had bad slip and it came lose some how, I turned it way back in and it fixed my issue.
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#12 |
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MM Fanatic
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engine slip?? do you mean belt slip? im 99.9% its your clutch slipping.
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#13 | |
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Enthusiast
03 Cobra
Join Date: Oct 2009
Location: Nebraska
Posts: 809
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MM Cobra Club #86 2003 Mineral Grey Cobra 2004 True Blue F-150 FX4 |
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#14 |
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Enthusiast
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I think I know what belt slipping means..i said engine because im having trouble with my idle which im sure is due to my tps, my air filter needs to be recharged and the pulley shroud cracked away from its arm that bolts to the blower..meaning it could be one of several different things causing it..furthermore, im not having any problem at all with my clutch without boost..which leads me to believe the clutch isnt the problem..cause this wasnt a slow progression..it started happening out of nowhere..ill take it to a fucken mechanic you guys are usless
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#15 | |
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MM Fanatic
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Second its not the boost. When you accel harder your clutch is put through more stress so it slips. Seriously its not fricken rocket science and i suggest you tone down the attitude if you want to maintain a membership around here. Do you know anything about cars at all? Difference between a oil dipstick and a transmission? That isn't a insult either, Just trying to give you the best advice. If you dont then i would probably take it to a dealer. Last edited by WhiteVenom; November 27th, 2010 at 05:45 PM. |
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#16 |
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BWAL Is My Hero
2003 F150 S-Crew 5.4 FX4
Join Date: Apr 2008
Location: Iowa
Posts: 10,744
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Filter recharge probably means he has a K&N and he wants to get a recharge kit for it so he can ruin his MAF sensor....
Also, OP, just because your clutch is not slipping out of boost doesn't mean its not the clutch. The more load, the more likely it is to slip. Just like WhiteVenom said... Neggg'd. |
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#17 |
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MM Fanatic
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Also for your "idle issue" clean your IAC. (idle are control motor) Im pretty sure theres 2 8mm bolts to take it off, takes 5 mins.
Thats what it looks like. Take your time, Dont break the gasket, Use wd40, carb cleaner, silcon spray etc.
Last edited by WhiteVenom; November 27th, 2010 at 05:59 PM. |
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#18 | |
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I Post Entirely Way Too Much
2003 Mustang GT
1/8 - 7.92 @ 91.13mph 1/4 - 12.21 @ 115.84mph
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Repped
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#19 | |
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Enthusiast
03 Cobra
Join Date: Oct 2009
Location: Nebraska
Posts: 809
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MM Cobra Club #86 2003 Mineral Grey Cobra 2004 True Blue F-150 FX4 Last edited by 4valvegt; November 28th, 2010 at 04:13 PM. |
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