lost reverse, drives forward in neutral (700r4)
03-24-2011, 10:09 PM
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Car: 1989 Camaro IROC-Z
Engine: LB9
Transmission: T-5
Axle/Gears: 3.08 G80
lost reverse, drives forward in neutral (700r4)
so i think my tranny died. it revers i can rev it to 2 grand and it wont move. in nuetral it just lurches forward and i can give it gas and it will go. i think my forward clutch is stuck. i think i killed my tranny
03-25-2011, 03:12 AM
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Car: 83 Trans Am / 96 Jeep XJ
Engine: 355 / 4.0 I6
Transmission: TH350 / Auto
Axle/Gears: 3.23 10-bolt / 4wd
Re: lost reverse, drives forward in neutral (700r4)
Make sure the shift cable is properly adjusted before making a major decision.
03-26-2011, 08:50 PM
#5
Re: lost reverse, drives forward in neutral (700r4)
yeah defiently going to find melted and siezed forward clutch, planetary prob shot too. Check cooler flow after rebuild may have caused total meltdown in the unit. I saw one of those this week in a 4l60e escalade.
05-30-2011, 02:16 PM
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Re: lost reverse, drives forward in neutral (700r4)
Did you solve your problems ? I have the same. The reverse doesn't work, and when I put the N, the car moves. All the wires and cables seems ok. Now I have the transmision out of the car, and next week I want open the gear box looking for something broken, but I have never done it. Problably the reverse band or the clucht it's old.
I was looking for in youtube any video explaining how to do it, but I only found for the 4L60e, not for the 4L60 ( 1990 V6 Firebird ).
I have the service manual, but don't explain how to do it, and as you see, my English it s very bad and it's dificult to me to understand the technical words.
I was looking for in youtube any video explaining how to do it, but I only found for the 4L60e, not for the 4L60 ( 1990 V6 Firebird ).
I have the service manual, but don't explain how to do it, and as you see, my English it s very bad and it's dificult to me to understand the technical words.
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06-05-2011, 02:29 PM
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Re: lost reverse, drives forward in neutral (700r4)
I know it's very dificult, but I haven't nothing to loose. In Spain repair it it's more expensive than buy one in the USA and pay the delivery and taxes.
I opened it and I have found something rare :
Between the valve body and the valve filter are a check ball case with a little damage, like as the ball had too much travel working and the ball consume it . And with the gasket it happens the same. I have read the manual service, and says that it's the "55F #8 check ball (2nd /1-2)". I suppose that these didn't have relation with the reverse, but it' posible that the presion works bad in the circuit ?
Uploaded with ImageShack.us
Uploaded with ImageShack.us
Tomorrow I will take of the pump to see the band. What it's the size to know if it's too small ? or how can I know if it doesn't work well ?.
Thanks a lot
I opened it and I have found something rare :
Between the valve body and the valve filter are a check ball case with a little damage, like as the ball had too much travel working and the ball consume it . And with the gasket it happens the same. I have read the manual service, and says that it's the "55F #8 check ball (2nd /1-2)". I suppose that these didn't have relation with the reverse, but it' posible that the presion works bad in the circuit ?
Uploaded with ImageShack.us
Uploaded with ImageShack.us
Tomorrow I will take of the pump to see the band. What it's the size to know if it's too small ? or how can I know if it doesn't work well ?.
Thanks a lot
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