Question about 1995 GMC Suburban

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Does not want to go into overdrive...problems with second

When shifting into second, I have to let off of the gas completely and then it will kick in. Truck will not go into overdrive at all. Can anyone tell me what is happening with the truck?

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I assume you've checked the tranny fluid level? If so check the vacuum lines on the tranny, I had one come off and it would not shift properly.

Posted on Apr 22, 2009

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Feb 11, 2011 | 1993 Chevrolet K1500

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My 2002 Ford Ranger Edge 4x4 4.0L V6 has an overdrive problem. It shifts into all gears normally and runs like a top. The only problem is when I really step on the gas and kick it into overdrive, the truck...


when you step on the gas to the floor the trans is not trying to shift into overdrive, over drive connects as you are at a steady speed which lowers rpm and increase fuel mpg. when you step on the gas hard you are telling the trans to down shift to a passing gear,which calls for more fuel and air which is what you are not getting. A few things could cause this, bad crank sensor,ecm, fuel pump, fuel filter,knock sensor etc. I would get a full blown diagnostic done which will check fuel press,timing,sensors,codes,etc normally around $100.00 . But have this done at a very reputable shop and be there when they do it so they can explain everything to you, and make sure you understand things before somebody starts saying well it could be this and now i think its this or that.

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The overdrive quit working in my 2000 volvo s40. All other gears work right and shift smoothly. When driving on the highway, if i let off the gas to coast, it seems to kick into overdrive, but any...


Several suggestions, some cheap, others not. The overdrive relay is the first suspect. It's located on the relay rack behind the fuse panel (usually). Cheap fix. About $10 on Ebay. Just be sure the part numbers match. I always carry a spare. The speed sensor might be another source of problems. It measures RPMs and feeds the info to the computer. Not an easy do-it-yourself fix. Also, the transmission control module. An easy swap with a spare from Ebay. It hides under the dashboard, passenger side. A solenoid on the transmission locks the OD in and out. Not an easy do-it-yourself fix. Volvos are notorious for flaky issues like this, so I would try all the simple fixes before bringing it to your mechanic.

Apr 18, 2010 | 2000 Volvo S40

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I have a 1999 jeep cherokee that has intermitant transmission problems 1)shifting up it wind out to 2k-3k before shifting 2) at higher speed it feels as if it slips out of overdrive rpm increase but speed...


It will shift out of overdrive upon increasing throttle , pulling hills and so on. Your overdrive probably kicks in around 35 to 45mph and kicks back out as you increase throttle. Electrically controled speed sensor to control the response. Overwise the engine would bog down to a stall. Over drive is just that. It changes the gearing ratio to over drive meaning less then final gear 4 to 1 down to 4 to 3 etc more direct drive ratio to lessen consumtion of fuel with less stress on engine. Have shift speed sensor adjusted. Don't drive in overdrive in city if most driving is under 45mph

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I had an 89 Suburban that started doing the same thing. Change the fluid/filter and add a quart of Lucas Transmission Fix. See how that does. Ultimately, you are going to have to rebuild or replace the transmission as the problem will only get worse in the end. Mine finally went down completely and cost me about $2700 to rebuild.

Apr 05, 2009 | 1999 GMC Suburban

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Wont shift to overdrive on hwy unless I let off the gas alot


I'm a big chevy fan and the reason it wont shift is because of the big tires.What happens when you put big tires on it and still have the same gear ratio the tires slow down the speed alot.There for making the trans seem its still going slower.The only real adjustments you can do here are first adjust the kick down cable if it has one,Next would be change the gear ratio to compinsate for the big tires.But if you have the elctronic trans theres really nothing you can do to adjust the kick down.But if it does this cable controls how the truck shifts on where the gas pedal is.To adjust the kick down cable you need to look at the cables that go up to the throttle likage.the cable thats on the bottom is the one you need.Next behind the bracket that holds the cable is a metal tab its actually in the cable.Push that tab in and the center part of the cable which looks like a con push that all the way in release the tab.Next jump in the truck and press the gas pedal to the floor now its adjusted.Thats all you can do..Hope this helps you and have a great day..

Apr 01, 2009 | 1995 Chevrolet K1500

1 Answer

1996 3500 TRUCK WON'T SHIFT OUT OF SECOND INTO 3RD OR OVERDRIVE


Their are a few possible causes of this. One their is not enough tranny fluid in it or the kick down cable is not hooked up properly. the kick down cable also runs the vacume to the transmission.

Check theese and give me feed back to further assist you.

Thanks, Charlie

Jan 29, 2009 | 1996 Chevrolet C/K 3500

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