Thread: 2000 Grand Prix GT- wont lock up

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  1. #1 2000 Grand Prix GT- wont lock up 
    SE Level Member mickyb37's Avatar
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    I was driving home last night at 55 mph, and the car jerked a little, the headlights flickered and the torque converter unlocked and stayed that way. Everything else seems normal but the TC wont lock up. I checked the fuse this morning , that's ok. Any help is appreciated. Thank you.
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  2. #2 Re: 2000 Grand Prix GT- wont lock up 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Count how many times the car shifts.

    If it only shifts 3 times and RPMS are above 2500 while doing 65-70 mph, then you have lost 4th gear.

    SMGPFC Member #1
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  3. #3 Re: 2000 Grand Prix GT- wont lock up 
    SE Level Member mickyb37's Avatar
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    Quote Originally Posted by Fivefingerdeathpunch View Post
    Count how many times the car shifts.

    If it only shifts 3 times and RPMS are above 2500 while doing 65-70 mph, then you have lost 4th gear.

    Yes, it is not shifting into 4th. Does the 3-4 solenoid need replacing or something else. If the 4th gear is shredded as Ive read, why wont it shift into 4th.
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  4. #4 Re: 2000 Grand Prix GT- wont lock up 
    GTX Level Member SnowTh1ef's Avatar
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    .... Because the 4th gear is shredded? I feel like thats pretty clear.... If the 4th clutch hub is shredded, It will not go into 4th.
    04 GTP -HAI, 1.9 rockers.
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  5. #5 Re: 2000 Grand Prix GT- wont lock up 
    SE Level Member mickyb37's Avatar
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    Quote Originally Posted by SnowTh1ef View Post
    .... Because the 4th gear is shredded? I feel like thats pretty clear.... If the 4th clutch hub is shredded, It will not go into 4th.
    \


    If it were pretty clear to ME. I would not be seeking advice from someone like you. A professional would understand this.
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  6. #6 Re: 2000 Grand Prix GT- wont lock up 
    GrandPrix Junkie Bluemagic's Avatar
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    We have professionals here?
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