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G6 transmission problems?

So here is the story... I have an 08 Pontiac G6. I have had no signs of transmission issues. It is an automatic with manual override. About a month ago I was driving and it wouldn't move. It sounded like it was in neutral. Wouldn't even let's switch it to standard mode. I finally got it to move into a parking lot and discovered the fluid was low. Put about 3 quarts of fluid in it. It did nothing. I can shift it into gear it's just not acknowledging the fact it is in hear. It still rolls though. I finally got it towed and went to just play with it today. It makes a grinding sound when I start the car. As long as the sound is there I can shift and drive just fine. However as soon as the sound stops the car is like it is back in neutral. Any ideas? I'm confused and I'm thinking it probably isn't as big of an issue as replacing the Tranny... Any help will do.

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The low oil level has probably cause damage in the pressure pump in the tranny With the problems as described I would have the transmission pressure tested but I think that the unit will need serious work

Posted on May 05, 2013

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Posted on Jan 02, 2017

marked
  • 6487 Answers

SOURCE: RSX type S transmission problem

This link will be helpful to you and checking the clutch and replacing it and laso you can find there the step to check also your transmission http://www.autozone.com/az/cds/en_us/0900823d/80/05/00/16/0900823d80050016/repairInfoPages.htm

Hope that helps.........

Posted on Aug 01, 2008

  • 508 Answers

SOURCE: 1995 Chevy S10 Blazer

IT IS NOT GOING INTO NEUTRAL. IT HAS LOST THE DIRECT DRIVE CLUTCH PACK INTERNALLY. SOUNDS LIKE IT IS HIGH MILEAGE. IF SO AND YOU CHANGE THE FLUID IT CLEANS UP ALL THE VARNISH IN THE TRANNY AND THE END RESULT IS TRANNY MALFUNCTIONS DEPENDING ON WHAT KIND OF CARE IT HAS HAD IN THE PAST.

Posted on Jan 25, 2009

czaa
  • 4514 Answers

SOURCE: 1990 Nissan 300zx w/ shifting issue

well Im sure theres a ton of miles on it-do u perform reg maint like checkin fluid level-u may need the throttle cable ajusted that hooks to trans-band n clutch could be out of measure too--trans hydra-valve system could be worn--see all these things effect the way the fluid makes the gears move--a pressure test can confirm an aging trans

Posted on Sep 19, 2009

  • 3 Answers

SOURCE: 2006 PONTIAC G6-TRANSMISSION JERKING

I have the exact car w/same exact problem. I was told that ist was the speed sensor, which just so happens to be located inside the transmission w/a $400. repair bill.

Posted on Oct 07, 2009

Molson02536
  • 3854 Answers

SOURCE: my GMC has 311632 miles on it. I just changed the

The transmission may be in Limp mode. The transmission is on the same fuse as the MAF, O2 sensors and at least one other sensor - if an O2 shorts out, it will blow the fuse and the trans will go into limp-home mode. Be sure the trans has power and the fuse is not blown before doing anything else.

What is "limp-home mode" ? This is a fault mode in which the transmission either loses electrical power or the PCM deactivates all of the electronics. The transmission will default to max line pressure. The driver will have Reverse and 3rd, with manual 2nd available by putting the gearshift in 2 or 1 (doesn't matter). 1st, 4th, and TCC lockup will not be available. It will not hurt the car to drive it like this for short periods, but use manual 2nd to get the car moving, and be aware that the trans will generate more heat than normal while operating in limp-home mode due to increased torque converter slippage during 2nd gear starts and no lockup in 3rd gear.

Trans does not upshift out of first, speedometer reads zero at all times: VSS failure. Easy fix on rear of transmission, but xmember must come out to access VSS.

Car goes into gear but feels very sluggish like the brakes are dragging, but it will roll easily (starts out in 4th gear), you manually shift to 2 to get it moving, once it's moving you put it back in OD and the car shifts 3rd to 4th on its own and locks the converter at the appropriate time: ShiftB solenoid failed: Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.

No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter : ShiftA solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.

Transmission does not shift automatically, only manually. Swap in a known-good PCM, check wiring, check other sensors such as VSS and TPS.

3rd gear starts, can manually shift through all gears. When car has been turned off for a bit, then back on it will run normally.: VSS dropoff w/ Hi-stall converter. The rpms are too high, but VSS is showing no movement. Happens after a tire burning take-off. Doesn't store a code, will not throw a CEL (I've heard that it will store a code if it happens 3 or more times). Cure: Reprogram PCM for VSS dropoff -- PCMforLess knows about it.

Here are just some of the common things you have described with the issues your transmission has. Good luck and keep me posted.

Posted on Dec 22, 2009

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