Question about 1989 Pontiac Bonneville

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1989 pontiac bonneville transmission will not go into 3rd or OD

I am unable to drive the car in 3rd gear or OD, when it goes to shift into 3rd it slips, must drive in 2nd gear for the trans to not slip. Please advise, I am confused about this one the fuel pump went out, I replaced it, the car still wouldnt start. I replaced wires, plugs, distributer type box, now is runs too rich and will not go into 3rd or OD.

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  • Anonymous Mar 28, 2014

    we have just noticed a consistant hesitantion when the transmission slips between 3rd and 4th gear, around 53 mph

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  • 28 Answers

The kick down cable could me off but more than likly the trans in shot/ no good

Posted on Feb 13, 2009

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What causes my 2003 pontiac bonneville to **** when it shifts from 1st gear to 2nd gear. and when it gets warmed up after 20 minutes to 30 minutes driving it acts as if it do not want shift gear or not...


Honestly, it sounds like your transmission is starting to go bad, With the cars I have had that hesitate to switch gears, the transmission went out soon afterwards. Have you made sure to check the fluid levels?

Also, check the level and color of the transmission fluid. It should be red/pink in color without much discoloration in it. And the level should be at the designated line on the dipstick.

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1 Answer

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I have a 2002 Grand Am. Got the transmission checked and was told it's fine. It does not put out any codes and oil looked fine also. Around 3rd gear it feels to shift early. When I give it gas, it seems...


if your driving it normal your shift points should be from 1st to 2nd=18 to 22 mph
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these all change by how much throttle pressure is being use,
are you sure it's not fuel filter or plugs and wire surge your feeling

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Its 2 wheel drive, but the transmission won't shift unless you manuallyl put the gear shifter in low then work your way up to get the gears to change. The gears work fine it just won't change on its on. If...


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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.

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.

Good luck and keep me posted, there are other things but these things mentioned seam like what you described.

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