Question about GMC Envoy

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4.2 power loss. Transmission will not shift during this condition. On both occasions after stopping and shutting down for a few minutes the vehicle will start fine and will shift normally.

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I am not sure I follow , is trans going into safe mode ? Mayve bad shift solenoid , or trans is going and its resetting after turning off either way sounds bad

Posted on Apr 07, 2015

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We just dealt with this,why did you post again?didnt like my answer?? just wait and others would of seen it too,waste

Posted on Apr 07, 2015

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1 Answer

Transmission problems


It could be a sign of bad transmission solenoid. If so, your vehicle has trouble shifting into drive or reverse. Normally, when you start your car, you're able to shift into drive or reverse right away. With a bad transmission solenoid, the vehicle could have a delay of a few seconds, or even take several minutes to warm up and operate properly. During this delay, the vehicle will act similar to how it behaves in neutral. It won't stay in park, and when you press the gas pedal, the vehicle will make an engine revving noise but not move.

Oct 03, 2013 | Toyota Avalon Cars & Trucks

1 Answer

I have a 1999 chev 1500 4x4 will not shift any higher than 2nd gear. when it tries to shift it's like it goes int nutreal and you have to manuely down shift to make go back into gear


The problem could be related to service bulletin. It refers to check for loss of power to the transmission shift solenoids. This defaults the transmission to second gear. The most likely cause of this condition may be a loss of voltage to the transmission solenoid power supply circuit. This condition may also be the result of an incorrect installation of an aftermarket electronic device such as a remote starter or alarm system. If the vehicle is equipped with an aftermarket electronic device, and the DTCs are being set when the device is being used, verify that the appropriate fuse is being supplied battery voltage during operation. If voltage is not present at this fuse, these DTCs will be set due to lack of voltage at the solenoids. This condition is most likely to occur with an incorrectly installed remote starting system. With the ignition switch in the run position, test for battery voltage at the circuit fuse in the transmission solenoid power supply circuit. If battery voltage is present at the fuse, inspect the ignition voltage circuit between the fuse and the transmission for possible opens, else, test for continuity between the fuse and the ignition switch. If NO continuity is between the fuse and the ignition switch, repair the open in that circuit. If you have continuity between the fuse and the ignition switch, the most likely cause is the ignition switch. Replace the ignition switch. If you do need to replace any of your car parts this site looks like it has cheap prices, free shipping and great reviews http://www.buyautoparts.com/

Sep 11, 2013 | Cars & Trucks

2 Answers

2002 Kia Optima runs great, transmission has started acting irradcally. it will shift and pull in gear for a short time after starting, but after a few minutes it fails to move the car. I've changed...


Keep driving it like that & it won't work at all

When ever you even think you have a transmission
issue,you immediately stop using the vehicle or you
end up rebuilding the trans,your call,your money & lots of it

Ask yourself ---Why would changing the fluid do anything?

Old oil out / New oil in ?

You change trans fluid because it breaks down from the heat
That is it's job,to remove heat or your trans fails

Trans & Power Steering get changed every 3 years & not
over 30,000 miles ever on ALL Vehicles

Jul 27, 2011 | 2002 Kia Optima

1 Answer

1998 dodge ram 1500 loss of engine power, slight ticking when accelerating, transmission shifting at odd times. check engine blinks on and off on occasion.


Without a code to work with i know those trucks had a problem with the t.p.s. sensor . This will also cause erratic shifting of the transmission

Nov 26, 2009 | 1998 Dodge Ram 1500 4WD

1 Answer

Vehicle momentarily loses power while driving then resumes


Sounds like an electrical issue maybe the plug from firewall to cab is loose or on computer is loose, sometimes those coonections or pins get loose,i had a new car with 200 miles on it and it went dead in heavy traffic,had to get towed to dealer they found loose connection!!!!With audible noise when happens tells me its wiring,check all connections and wires to connections make sure there not loose!!!Best of Luck to you!!!!!

Aug 12, 2009 | 2003 Ford Expedition

1 Answer

Need to add tranny fluid to '99 Rodeo, but where??


CAUTION: DO NOT OVERFILL.
Overfilling will cause foaming, loss of fluid, abnormal shifting and possible damage to the transmission.
1. Park the vehicle on level ground and apply the parking brake firmly.
2. Check fluid level with engine running at idle.
NOTE: Be sure that transmission fluid temperature is below 30degrees C (86degreesF).
3. Move the selector lever through all gear ranges.
4. Move the selector lever to “Park”.
5. Let engine idle for 3 minutes and open the overfill screw (1).
6. Add released transmission fluid until it flows out over the overfill screw opening.
7. Let engine idle until a fluid temperature between 32C (90F) and 57C (135F) is reached, then close the overfill screw (1).
Torque: 38 Nm (3.9 kg·m/28 lb ft)
NOTE: To prevent fluid leaks, the overfill screw and oil drain screws gasket must be replaced each time these screws are removed.

CAUTION: Do not open overfill screw with engine stopped.
CAUTION: DO NOT CHECK FLUID LEVEL UNDER THESE CONDITIONS:
 Immediately after driving at sustained highway speeds.
 In heavy city traffic during hot weather.
 If vehicle is towing a trailer.
If the vehicle has been operated under these conditions, shut the engine off and allow the vehicle to “cool” for thirty (30) minutes. After the cool down period, restart the vehicle and continue from step 2 above.

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Aug 07, 2009 | 1990 Isuzu Trooper

1 Answer

Loss of power to Transmission while driving.


would flush the trans and clean the filter. Sounds like filter s blocked. Trans pump sucks ait & buzzes after that.

Apr 17, 2009 | 1992 Ford F250

1 Answer

Trans shifts very hard after 5 minutes of stop and go traffic


A reason for hard shifting could be a problem with many things with various degrees of seriousness. It could be your ATF( automatic transmission fluid) is low or broken down and old. This would cause the hardness and the reason for stop and go traffic effecting it. Another possibility is your transmission is just shot, and the timing gears inside are worn and not properly shifting at the correct RPM causing a **** during shifting.

Some possibilties, not all!

~Lucas

Mar 27, 2009 | 2003 Buick LeSabre

6 Answers

99 Mercury sable speedo/tranny


VSS (vehicle speed sensor) Tells the PCM (computer) the speed of the vehicle so the PCM can make the proper information to the TCM (transmission control module) to shift.
YOU are goin gto need a scan tool NOt a code reader to monitor the VSS to see what it is putting out for speed when the car is moving But I believe you need a VSS but do not not Go out and buy one until you have had it tested , and can positively confrim it is bad first. Please rate this a fixya if you find this advice helpful, Thanks Randy

Sep 02, 2008 | 1999 Mercury Sable

1 Answer

Unsafe rolling with parking break engaged!


ford had a recall on the atoumatic transmission shift cabel retention.if the transmission shift cabel assembeled to the steering column bracket is not fully seated,the tranmission shift cabel may slip out of the bracket.should the shift cabel become detached,the driver may not be abel to shift transmission gears or correctly determine the transmission gear position using your gear selector indicator.this condition could lead to unintended vehicle movement in direction other than indicated on your gear selector indicator.in addition,this condition could prevent the vihicle from being restarted. samboiv

Jun 18, 2008 | 1997 Ford Expedition

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