Thread: Tranny ideas please

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  1. #1 Tranny ideas please 
    SE Level Member coombsctgtp's Avatar
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    Ok heres the story. Bought my 99 gtp about 2 months ago. On the way home about 20 miles in it started slipping and banging into gear . Pulled over noticed i hit the performance shift button , turned the car off , waited 5 mins and restarted , car went the remainder 30 miles no problem, got it home and checked the fluid, fluid was burnt , changed trans fluid and filter .The car has been fine ever since , driven a bit hard and driven about 3,000 miles . Went on vacation last week , had a 150 mile drive , well hit bumper to bumper traffic , so what was a 3 hr drive turned into 5 hrs , made it to the cottage we rented , when i parked i noticed a noise which wasnt there about 4 miles away from the house. I hit a pothole at the 4 miles away point, not sure if that matters LOL. So anyways i went and investigated , it sounded like a noisey ac clutch engageing when i put it in gear , r d 1 2 3 , but quite in p and n. so went and checked fluid etc , no probs there, waited 3 hrs and went to try it out , yup noise was still there , went to take off and it was almost like binding , but would go. So i let it sit the whole vacation, and decided to try to drive it the 152 miles home last night. Noise still there hard shift and a noticeable jerking on downshift from 2 to 1 when stoping , but it made it the whole way , in 3rd it was driving like a dream, but i also notice no drive , put it in drive hit 55 to 75 and its still in third at about 3200 rpm, let off gas it drops to close to 1000 rpm , hit gas again does nothing till it hits 3000 rpm again. Any ideas what im looking at ?
    99 Pontiac Grand Prix GTP
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  2. #2 Re: Tranny ideas please 
    Turbo is the way to go. BillBoost37's Avatar
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    Scan for codes. Hopefully that gives a better understanding of what is happening.
    I drink..so consider that when reading my posts.

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  3. #3 Re: Tranny ideas please 
    SE Level Member coombsctgtp's Avatar
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    Quote Originally Posted by BillBoost37 View Post
    Scan for codes. Hopefully that gives a better understanding of what is happening.
    No codes , and now today i just took it out and its still noisey as hell in gear , but goes 1st 2nd 3rd and even drive no problem , still shutters a ton from 15 mph down when stoping
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  4. #4 Re: Tranny ideas please 
    SE Level Member Nsane's Avatar
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    most likely your looking at a transmission rebuild, the shutter you feel from first gear are the forward bands in the transmission, and you lost your forth gear. My forward band completely snapped and i had to use the manual 2-1 band. then that snapped, my car did nothing but reverse
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  5. #5 Re: Tranny ideas please 
    SE Level Member coombsctgtp's Avatar
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    Thinking its done , and im actually gonna go with a front pump. Was driving along stoped and she didnt want to move , got it to go , and started hearing the pump even in n and p. shut it down , waited 15 mins and she moved again, got about 300 feet and she just wouldnt go anymore no reverse no nothing , towed it home , drove it into the garage , and left it in gear 2 mins later she was a non mover again. Gonna pull it , and install a used trans i found thru lkq , $725 with a lifetime warranty as long as i own the car. Just pisses me off , only had the car like 2 months total.
    99 Pontiac Grand Prix GTP
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  6. #6 Re: Tranny ideas please 
    SE Level Member Nsane's Avatar
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    same here i just finished my tranny, only had my car for 3 months no signs of anything and all of a sudden it wouldn't move
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  7. #7 Re: Tranny ideas please 
    SE Level Member coombsctgtp's Avatar
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    nsane , hope it all works out for you , It sucks , i wish i didnt love the freakin car and the way it drives , id just get rid of it , but its just to nice of a car to get rid of. Now ill take the 7 to 8 hrs and put in a tranny.
    99 Pontiac Grand Prix GTP
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  8. #8 Re: Tranny ideas please 
    SE Level Member coombsctgtp's Avatar
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    UPDATE, Well pulled the tranny tonight , Found the problem. Torque converter went its all seperated inside . Gonna add an external cooler now , since i dont fell like replacing my radiator just because the trans cooler section is full of metal LOL Found 4 more non related problems while removing trans, gotta love it when a car becomes the gift that keeps on giving. Ill update tomorrow when i install the new trans etc.
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  9. #9 Re: Tranny ideas please 
    SE Level Member coombsctgtp's Avatar
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    Well i got a bad tranny, goes ok but bangs real hard from 1st to 2nd sometimes, shifts at about 5g sometimes closer to 6 g when it shifts 1st to 2nd hard, sometimes shifts normal, sometimes revs but no shift then bang. Really a little ticked , dont feel like doing this again already wasted 5 and a half hours of my weekend this weekend. Called lkq , they said they will swap it for another used tranny when im ready and will switch the warranty to the new trans , but still a pain to have to do this all over again. for now ill deal with the issue , atleast for a week or 2
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