Question about Hummer H3

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Location shift solenoid

As vehicle slow down from about any speed as it shifts gears it act as if it was going to turn off not all the time but about50/50 of the time and if vehicle is cold it will

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The shift solenoid is located at the bottom inside the transmission box(gearbox) of the car

Posted on Aug 07, 2016

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Posted on Jan 02, 2017

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SOURCE: transmission shifts hard down from highway gear only (D>3rd)

I had the same thing! It was a computer issue. It only cost me about $35.00.

Posted on Dec 29, 2008

  • 3 Answers

SOURCE: Lincoln Navigator transmission problem

check and replace filter and fluids just like oil it tends to burn up and blacking and needs to be changed and flushed checking your tranny fluid it should be a red color not a dark red or with a black tint

Posted on Jul 03, 2009

  • 4 Answers

SOURCE: 1997 transmission Slow Acceleration

not sure if this is the answer yet but i have the same problem with the same codes i work at an auto parts store and a few of the techs that are customers have lead me in the direction of changing the ignition switch, i am doing it today will let you know if it solves the problem

Posted on Jan 27, 2010

  • 1 Answer

SOURCE: where is the shift solenoid pack located on a 1997

1997 dodge truck 4x4 shifts good when cool but not when warms up, is it the shift solenoid?and how much is it too fix it?

Posted on Jul 17, 2010

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SOURCE: 1996 dodge ram 2500 auto transmission not shifting properly

Well, first do the service. Pull the pan down and look for metal shavings. If there is metal shavings your in for a transmission. If not, you may have a problem with one of the transmissions shift solenoids located near the valve body.
P.S. The Duramax has the Allison 1000 transmission not the dodge cummins and they are one of the best trannys on the market.

Posted on Sep 04, 2010

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Suzuki Forenza error code P0782


Well code 782 is for a problem with the 2-3 shift solenoid or the circuit back to the engine computer. The solenoid is inside the transmission.
Code 722 was for a problem with the speed sensor. You could have a wiring harness problem.

Jan 22, 2014 | 2004 Suzuki Forenza

1 Answer

Electronic pressure control solenoid circuit p1745. Check engine light on 2000 ford escort, 4cl, automatic. Advance auto told me it was a dealer part but I can't find it on any of the ford websites?...


Here is what the service manual says about the EPC solenoid, the processor looks at allot of different inputs to command the solenoids, such as Throttle Position Sensor, Vehicle Speed Sensors, Transmission Range Sensor and RPM signal, The PCM controls the shift patterns for the transmission. Electronic Pressure Control (EPC) Solenoid
The electronic pressure control (EPC) solenoid is located on the main control valve body and is controlled by the PCM. The EPC controls line pressure used to apply and release clutches and bands in the transmission.
The 2-3 shift solenoid is located on the main control valve body and is switched on and off by electrical signals from the PCM. The 2-3 shift solenoid activates the 2-3 shift valve which controls the automatic shifting between second and third gear. Second gear is established when the 2-3 shift solenoid is switched on. The 2-3 shift solenoid is switched off when vehicle speed increases and requires a second to third gear upshift.
The 3-4 shift solenoid is located on the main control valve body and is switched on and off by electrical signals from the PCM. The 3-4 shift solenoid activates the 3-4 shift valve which controls the automatic shifting between third and fourth gear. Third gear is established when the 3-4 solenoid is switched off. The 3-4 shift solenoid is switched on when vehicle speed increases and requires a third to fourth gear upshift.

Mar 23, 2013 | Cars & Trucks

1 Answer

I have a 1998 dodge Grand Caravan with codes P0700,P0734 & P0733. What does this mean?


P0700 is a informative transmission code, about some problem there; the P0733 and P0734 is the specific problem there.
I would first try changing the fluid and filter. Although the fluid may look like it is brand new, with 100K on the fluid, I can assure you that even if those miles were all highway at steady speed and no load that the fluid has deteriorated and no longer lubricating the internal parts properly and that there is some debris in the ******.If codes return and shifting problems are still present, there is definite internal failure, possibly the pump or in the clutches.
DTC P0733The powertrain control module (PCM) uses the crankshaft position (CKP) sensor, input speed sensor (ISS) and output speed sensor (OSS) to determine engine speed, input shaft speed and output shaft speed. These sensor readings are used to determine the current gear ratio and RPM slip across the torque converter. The PCM uses this information from the sensors to determine if the commanded gear matches the actual gear. During normal driving conditions, the PCM will adapt main line pressure via the pressure control (PC) solenoid to prevent slipping and harsh shifts. Shift solenoid 3 is used to apply or release third gear clutch. The PCM controls 3rd gear by controlling the ground for shift solenoid 3. The PCM will turn the solenoid OFF, open the driver circuit, when 3rd gear is commanded On to apply 3rd clutch. Shift solenoid 3 is supplied ignition voltage from the fuel pump relay whenever the PCM commands the fuel pump relay ON. DTC P0733 sets when 3rd clutch still slips after the PCM has commanded high main line pressure.DTC Parameters
DTC P0733 will set if the PCM detects an incorrect actual 3rd gear ratio when 3rd gear is commanded On when:- The condition exists for longer than 3 seconds (2001)*- The condition exists for longer than 3 seconds, 1 minute is allowed to elapse, then condition exists again for longer than 3 seconds (2000)- The high main line pressure has been commanded- The transaxle is in a forward gear- The input speed is greater than 224 RPM- The vehicle speed is greater than 5 km/h (3 mph)- The speed noise parameter = NO- The steady state ratio fail counter equals 255 for an in-gear failure, or the shift fail counter is greater than 100 on a downshift or upshift to 3rd gear (128=0 or normal operation)DTC P0733 diagnostic runs continuously once the above conditions have been met.
DTC P0733 is a type A DTC for 2000, type B for 2001.**Applicable to vehicles built after June 2000.
Diagnostic AidsImportant: If DTCs P0745, P0746, P0756, P0758, P0761, P0763, P0766, P0768 or P0789 is set, diagnose that DTC first. A diagnosed PC solenoid, shift solenoid 2, 3 or 4 low/high circuit fault DTC may have caused DTC P0733 to set.Important: If a shift solenoid performance DTC P0783, 4th gear stuck ON, is set, diagnose that DTC first. A 4th gear stuck ON may cause no 3rd gear, no 2nd gear, or TCC stuck Off.
Refer to Pressure Ports - Air Check and Parts Description for pressure apply points and for component/location description.
Possible causes of no 3rd gear are listed in the flowchart on the succeeding page.
Verify TRANSMISSION ISS and TRANSMISSION OSS read correctly on Scan tool.
Make sure the pressure control, shift 2, shift 3 and shift 4 solenoids are not intermittently sticking. A sticking shift solenoid 4 may cause 4th gear to be applied from an initial start resulting in no 3rd gear. Audible sound should be similar for all solenoids. A muffled tone indicates the need for replacement.
Check this pinout HERE
P0734 refer at ratio 4 gear, and the rocedure is the same.
Hope helps.

Jan 22, 2013 | 2003 Dodge Caravan

1 Answer

Transmission slow to shift out of 1st gear when cold


Owners of a Toyota 4Runner might panic when the gearshift begins to have problems. Knowing a couple of the things that often go wrong in a 4Runner can help a driver diagnose or even repair the gearshift himself. Following are some of the more common shifting problems with 4Runners, and a bit of information on what to do next.
Shift Solenoids

  • One of the leading causes of gearshift issues in automatic 4Runners is a bad "shift solenoid." In automatics, shifts are controlled by shift solenoids, electrical coils that change gears automatically. These solenoids can go bad over time and cause stuttering between gears, or prevent shifting beyond a certain gear. Shift solenoids can be purchased and replaced on your own. By consulting the owner's manual, you can determine the location on the valve body of your vehicle and check shift solenoids for breakage or rupturing. Replacing these on your own isn't terribly difficult, as long as you are certain the shift solenoid is the problem. Tutorials are available in car repair manuals and sometimes are posted online.


Transfer Case
  • When a 4Runner begins to have shifting problems, the transmission is often fingered immediately as the culprit. A driver might change the transmission fluid and filter, only to find that the car slips into the same shifting problems. Four-wheel-drive vehicles utilize a transfer case that ensures shifting between two-wheel and four-wheel drive. If a vehicle has a difficult time shifting into two-wheel or four-wheel-drive high, but works on four-wheel-drive low, examine the transfer case. Common problems include linkage breaks and worn gears.


Shift Lever Seat
  • Sometimes, the gearshift on a manual simply doesn't feel right. The vehicle might come out of gear too easily or have a problem upshifting or downshifting. The shift lever seat is the well in which the stick shift rests. After years of use, pieces might break off, bend or rust, causing problems with gearshifts that don't stay where they should or have a hard time getting there. Fixing your shift lever seat is quite simple and takes about 45 minutes. Once the boot cover and plate cover have been removed, you need only examine, remove debris, grease up, and reassemble. Such a fix can cost serious time and money at a mechanic, so try it on your own if you have the time and the proper equipment. The proper equipment includes a screwdriver and/or wrench to remove the boot cover and plate, a soft cloth to remove dirt, and grease for lubricating the shift lever.


Good Luck.

Sep 05, 2012 | 2002 Toyota 4Runner

3 Answers

Transmission in chevy silverado 1500 5.3L v8 will not shift from 2-3 gear transmission has been rebuilt and 2-3 shift solenoid was changed but still will not shift from 2-3 gear


For gear shift issues and gear stuck issues,the help links are provided below. Click the link below to go through troubleshooting procedure:---- ---- Car will not move when in gear?


http://repairhelpcenter.blogspot.in/2012/02/car-will-not-move-when-in-gear.html ---- transmission sticks in first gear? http://technoanswers.blogspot.com/2012/01/mercedes-benz-transmission-sticks-in.html ----- Transmission not engaging in first gear? http://technoanswers.blogspot.com/2012/01/mercedes-benz-not-engaging-in-first.html ----- Vehicle only goes in First gear?

http://howtobyme.blogspot.com/2011/11/chrysler-pt-cruiser-only-goes-in-first.html


----

Car is stuck in park and the shift will not move?

http://howtobyme.blogspot.com/2011/08/car-is-stuck-in-park-and-shift-will-not.html


---- Engine will not go out of park mode? http://technoanswers.blogspot.in/2012/02/2002-nissan-sentra-will-not-go-out-of.html ---- Car stuck in park? http://technoanswers.blogspot.in/2012/02/nissan-sentra-stuck-in-park.html ----- Car will not come out of Park?

http://howtobyme.blogspot.com/2011/11/car-will-not-come-out-of-park.html

-----
Automatic transmission will not go into high gear?

http://howtobyme.blogspot.com/2011/11/automatic-transmission-will-not-go-into.html
--- Car wont downshift sometimes?

http://schematicsdiagram.blogspot.com/2011/12/car-wont-downshift-sometimes.html
---- Transmission will shift into drive?

http://schematicsdiagram.blogspot.com/2011/12/buick-park-avenuetransmission-will.html
----- Auto wont shift from park? http://schematicsdiagram.blogspot.com/2011/12/ford-taurus-wont-shift-from-park.html ---- Car Transmission will not go into Park mode?

http://schematicsdiagram.blogspot.com/2011/12/car-transmission-will-no-go-into-park.html
----- Shift indicator directly goes to 2nd when key is turned ON?

http://schematicsdiagram.blogspot.com/2011/12/shift-indicator-directly-goes-to-2nd.html
---- Third gear missing and engine losing power?

http://schematicsdiagram.blogspot.com/2012/01/third-gear-missing-and-engine-losing.html
------- Vehicle has whining sound in gear?

http://technoanswers.blogspot.com/2012/01/chevrolet-silverado-has-whining-sound.html
----- Hard to shift gears on Manual transmission?

http://technoanswers.blogspot.com/2012/01/hard-to-shift-gears-on-manual.html
------ Car hard shift at slow speeds?

http://technoanswers.blogspot.com/2012/01/car-hard-shift-at-slow-speeds.html
--- Automatic transmission shift lever hard to move on cold mornings?

http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html
------ Gear shifts hard?

http://schematicsdiagram.blogspot.in/2012/02/2000-nissan-maxima-shifts-hard.html
------- Vehicle noticed sluggish delayed shifts while driving?

http://schematicsdiagram.blogspot.in/2012/03/vehicle-noticed-sluggish-delayed-shifts.html

-------

This will help.

Thanks.

Mar 14, 2012 | 1999 Chevrolet Silverado 1500

1 Answer

Shift solenoid on 1997 infiniti Q45


For gear shift issues and gear stuck issues,the help links are provided below. Click the link below to go through troubleshooting procedure:---- ---- Car will not move when in gear?


http://repairhelpcenter.blogspot.in/2012/02/car-will-not-move-when-in-gear.html ---- transmission sticks in first gear? http://technoanswers.blogspot.com/2012/01/mercedes-benz-transmission-sticks-in.html ----- Transmission not engaging in first gear? http://technoanswers.blogspot.com/2012/01/mercedes-benz-not-engaging-in-first.html ----- Vehicle only goes in First gear?

http://howtobyme.blogspot.com/2011/11/chrysler-pt-cruiser-only-goes-in-first.html


----

Car is stuck in park and the shift will not move?

http://howtobyme.blogspot.com/2011/08/car-is-stuck-in-park-and-shift-will-not.html


---- Engine will not go out of park mode? http://technoanswers.blogspot.in/2012/02/2002-nissan-sentra-will-not-go-out-of.html ---- Car stuck in park? http://technoanswers.blogspot.in/2012/02/nissan-sentra-stuck-in-park.html ----- Car will not come out of Park?

http://howtobyme.blogspot.com/2011/11/car-will-not-come-out-of-park.html

-----
Automatic transmission will not go into high gear?

http://howtobyme.blogspot.com/2011/11/automatic-transmission-will-not-go-into.html
--- Car wont downshift sometimes?

http://schematicsdiagram.blogspot.com/2011/12/car-wont-downshift-sometimes.html
---- Transmission will shift into drive?

http://schematicsdiagram.blogspot.com/2011/12/buick-park-avenuetransmission-will.html
----- Auto wont shift from park? http://schematicsdiagram.blogspot.com/2011/12/ford-taurus-wont-shift-from-park.html ---- Car Transmission will not go into Park mode?

http://schematicsdiagram.blogspot.com/2011/12/car-transmission-will-no-go-into-park.html
----- Shift indicator directly goes to 2nd when key is turned ON?

http://schematicsdiagram.blogspot.com/2011/12/shift-indicator-directly-goes-to-2nd.html
---- Third gear missing and engine losing power?

http://schematicsdiagram.blogspot.com/2012/01/third-gear-missing-and-engine-losing.html
------- Vehicle has whining sound in gear?

http://technoanswers.blogspot.com/2012/01/chevrolet-silverado-has-whining-sound.html
----- Hard to shift gears on Manual transmission?

http://technoanswers.blogspot.com/2012/01/hard-to-shift-gears-on-manual.html
------ Car hard shift at slow speeds?

http://technoanswers.blogspot.com/2012/01/car-hard-shift-at-slow-speeds.html
--- Automatic transmission shift lever hard to move on cold mornings?

http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html
------ Gear shifts hard?

http://schematicsdiagram.blogspot.in/2012/02/2000-nissan-maxima-shifts-hard.html
------- Vehicle noticed sluggish delayed shifts while driving?

http://schematicsdiagram.blogspot.in/2012/03/vehicle-noticed-sluggish-delayed-shifts.html

-------

This will help.

Thanks.

Feb 27, 2012 | 1997 Infiniti.5 Q45

1 Answer

O/D light flashing, hard shifting at times


Sounds like the solenoids are not working correctly in your transmission. May need to be rebuilt. Check with your local transmission shop about this problem.

Aug 02, 2010 | 1999 Ford Windstar

1 Answer

Transmisson problems


it can be the shift solenoid in the trans there is one for 1st and 2nd then there is one for 3rd and fourth easy to change drop pan they are right there.about 40 to 60 at dealer for solenoid and of course fluid and filter about 60.00

May 23, 2009 | 2005 Chevrolet Silverado 1500 2WD

1 Answer

Not shifting from 2nd gear


when the car gets stuck in second gear, this is called limp in mode. that is a safety feature biult in to keep from further transmission dammage. these cars have a common problem with the solenoid packs inside the transmission. if the tranny doesn't slip or act funny at all untill it goes into limp mode i would say that this solenoid pack is your problem. i have had to replace countless numbers of these.to replace is a little bit of a job. you have to drop the pan, take off the shift linkage, remove the valve body bolts, dissconnect the wire harness, and then remove the solenoid pack bolts and swap packs. if you are not familiar with the inside of the tranny it would pay to have a proffesional to do the job. speed sensors could be another cause but i have found the solenoid pack to be more prone to problems on these particular vehicles. first place to start would be a scan to make sure the codes point to the pack. i believe there is a technical service bulletin on this problem.

May 23, 2009 | 1996 Dodge Intrepid

2 Answers

A question about a 94 Lexus Es 300


I have a 94 lexus es 300 and I have the same problem the check engine and o/d light is on and it drives slow in first or second and then it will shift into 3rd with no problem i went to a tranny shop and they replaced the p0753 Shift Solenoid A Electrical and the p0773 Shift Solenoid E Electrical and drove around the block and after 15 mins the lights came back on and car acted the same way and got the same codes so he didnt charge me anything and was like he didnt know what it was so now im stuck with a car that doesnt have 1st or 2nd gear so if anyone can help im open for anything

Mar 13, 2009 | 1996 Lexus ES 300

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