Transmissions and Drivetrain Need help with your trans? Problems with your axle?

700r4 oil pump

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Old Jun 3, 2012 | 09:41 PM
  #1  
gmb350tpi's Avatar
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Joined: Sep 2011
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Car: 89 trans am gta
Engine: 5.7L tpi
Transmission: 700r4 4 speed
Axle/Gears: borg warner aussie 9-bolt 3.27
700r4 oil pump

hey guys in have an 89 trans m gta 5.7 and i recently blew the third and forth clutch packs so i replaced the tranny with one ffrom a 91 caprice i also swapped over the valve body and governer but when i first started the car i could he a ticking slash puffing sound coming from behind the torque converter and i got a little skeptical of the pump but the car ran and drove fine, but i was at my buddies house today and he wanted me to do a burnout so i did a burnout and as i got a little bit down the street and car just revved up it was in drive but it would not move i tryed givin it gas and everything but nothing i tried puttin it in all the gears but nothing and now when i listen under the car there is no puffing sound at all...is my front pump shot or...
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Old Jun 4, 2012 | 02:20 PM
  #2  
Pro Built Automatics's Avatar
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From: Calimesa, California, U.S.
Re: 700r4 oil pump

You most likely broke the front pump. Disconnect the top transmission line at the transmission, and put it in a bottle and start the motor and see if you get any oil out of the line. If not, then the pump is broke.
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Old Jun 6, 2012 | 10:48 PM
  #3  
gmb350tpi's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2011
Posts: 38
Likes: 0
Car: 89 trans am gta
Engine: 5.7L tpi
Transmission: 700r4 4 speed
Axle/Gears: borg warner aussie 9-bolt 3.27
Re: 700r4 oil pump

turn out the oil pump was shot! i dropped the trans again! and pulled off the pump opened it up and found out that the oil pump rotor was snapped in half and there were pieces everywhere i changed out the pump and now she works just fine
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