Can a bad torque converter cause the transmission to not engage into any gear at all

Tiny
JO CHANDLER
  • MEMBER
  • 1995 PONTIAC GRAND PRIX
  • 3.1L
  • V6
  • FWD
  • AUTOMATIC
  • 139,400 MILES
My name is Jo, and I have a the car listed above that is the SE Coupe. It has 139,000 miles on it and no modifications. It started to shift erratically a couple of weeks ago first to second gear, shuddering at low rpm. So I get home to check the fluid in the trans-axle and found debris present on the stick, but I did not change the fluid since last tune up about 6,000 prior, but the car was still operational. So I the next morning I get up for work and start it to warm up come out to leave put it in gear and head to work but turned around because I forgot my phone pull in the driveway get out while car was at idle but when I get ready to leave it would not engage in any gear at all. It did five minutes prior. When I put it in gear to leave it made a familiar rattling or roaring noise that almost resulted in stalling but it did not. I have checked all vacuum hoses for cracks, holes, and leaks there were none with no codes thrown. I have checked fluid level and all sensors are working properly with proper voltage. New strainer and gasket as well. I just wanted to know on this particular vehicle would a bad torque converter cause it not to engage in any gear at all?
Sunday, February 26th, 2017 AT 6:19 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
For any vehicle, a bad torque converter can result in no gears. Debris on the dipstick is an indication the transmission is on its way to retirement.
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Monday, February 27th, 2017 AT 5:33 PM

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