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#219086 - 04/29/13 12:00 PM dropping out of overdrive
MandR's03GTP Offline
Junior Member
Registered: 03/11/06
Posts: 17
Loc: Jacksonville,FL
2003 GTP drops out of OD after about 20 seconds. Anyone else have this problem?
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2003 GTP. modified exhaust with Borla mufflers.K&N cold air.
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#219090 - 05/01/13 11:13 AM Re: dropping out of overdrive [Re: MandR's03GTP]
pontiacmatt1998 Offline
Junior Member
Registered: 11/01/11
Posts: 5
Loc: Macon, Ga.
Sounds like you might have a TC lockup solenoid going bad perhaps..Any other issues besides the dropout? Is this the first time this has happened? Check engine light come on or anything else when you experienced this? In fact, regardless of whether it threw a light, there may be a code stored in the PCM for the problem you had. I'd stop by an automotive shop & get them to scan for any codes first before replacing anything..
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1998 Pontiac Grand Prix GTP
F-Body Ft Brake Upgrade, CAI, Buick STB, 226k miles & counting, otherwise stock
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#219112 - 05/09/13 02:48 PM Re: dropping out of overdrive [Re: MandR's03GTP]
snowcrash Offline
Member
Registered: 05/05/03
Posts: 867
Loc: charlotte, nc
Have you checked your fluid or has it been changed in a while. You might could drain it, put a new filter in and add some trans-x or lucas to it when filling it back up that might help you out some but not really sure.
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charlie
black 98 gtp sedan, 222,000 and running great with the new used tranny! laugh
zzp 3" d/p aluminized
dhp 1.0
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#219113 - 05/13/13 03:37 PM Re: dropping out of overdrive [Re: pontiacmatt1998]
MandR's03GTP Offline
Junior Member
Registered: 03/11/06
Posts: 17
Loc: Jacksonville,FL
intermittent slippage on take off. No lights,no codes.
Just serviced tranny.
_________________________
2003 GTP. modified exhaust with Borla mufflers.K&N cold air.
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#219114 - 05/13/13 03:39 PM Re: dropping out of overdrive [Re: MandR's03GTP]
MandR's03GTP Offline
Junior Member
Registered: 03/11/06
Posts: 17
Loc: Jacksonville,FL
Drops out every time and at same interval.
_________________________
2003 GTP. modified exhaust with Borla mufflers.K&N cold air.
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#219115 - 05/13/13 06:30 PM Re: dropping out of overdrive [Re: MandR's03GTP]
Richard Candelario Online
Member
Registered: 12/15/05
Posts: 5222
Loc: FT Carson, CO
what RPM range? How sure are you that the shop did your tranny right? Do you have enough fluid? Perhaps the t/c is bad. If it really is slippage, I doubt that it would be anything electronic or vacuum related.
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WizAire CAI w/9" K&N & HV3, 2.5" d/p w/h/f cat, Cobra CB, PowerSlot slots w/Hawk HPS, GR-2s, GMPP handling kit, NextLevel STBs, Pilot Sport A/S Plus tires.

98 L36/MM5
RaC
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