Question about 2002 Pontiac Grand Am

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I recently had a leak in my 2002 Grand Am SE 3.4L transmission due to a spot which wore a hole in the hose. Fliud leaked out at gas station and I drove it a mile home. My dad fixed the line and we dropped the pan and changed the filter and I added 5 quarts of Dextron Fluid. Now the Transmission is shifting alittle hard and the other day after about 50miles or so it was slamming into gear both fwd n rev. Too much or too little fluid? No way to check ( no dipstick)

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The manual says there is no dipstick. The transmission is a sealed unit, filled for life. It's really a bad design to not have a dipstick, because transmissions will weep a little fluid at times and it's a good idea to check the level once in a while. The Manual says that if it leaks fluid you have to repair or replace the transmission. Not a valid repair when the car has 160,000 miles and it's a pint low. There's a plug on the passenger side at the bottom of the transmission to check the level (with the engine running, so it needs to be on a lift) and there's a yellow filler plug hidden under the air cleaner on top of the transmission.

If you put in 5 quarts, it is either too much or too little. Both cases will cause the fluid to foam, causing jerky shifting. Mine was too low at 185,000 miles and it was banging shifts when hot.

By the way, that transmission needs about 9.8 quarts after a pan drop and filter change, so your 5 quarts is way too little.

Posted on Apr 07, 2015

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You will absoluetly have to purchase a dipstick. Either a used one from the junk yard or new one. I would say that it's likely to have to little fluid, however without a dipstick to check this is like driving without a gas gauge.

Posted on Aug 02, 2010

  • Jim Rhenow Apr 07, 2015

    2002 Grand Am 3.4 liter automatic transmission is filled for life, and never had a dipstick.



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