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10-05-2008
Hello all,
I have a question about my 2002 GP 3.8N/A. Every so often and i think it may only happen after high way speeds my transmission will shift very hard. Its like i have a shift kit. After the car has sat for a bit it returns to a normal shift. The shift is harder then my 99 T/A. Is there a common issue that i should try and fix before it causes an issue?
Last edited by Seagya; 10-05-2008 at 08:28 PM.
10-05-2008
Moved to the transmission section.
10-06-2008
Fluid level, fluid quality? Something simple to start off with checking.
10-06-2008
4T65E Transmission Info
Towards the middle of my info page you will find some information about your problem.
10-13-2008
Thats what it sounds like. I guess i have to drop that damn frame again........
10-30-2008
Ok I'm picking up the pressure control solenoid valve today from GM. Has anybody already done this that could give me some pointers? can it be done with just unbolting the side pan and replacing the part? If not can i just unbolt the driver side frame and letting it drop until i can get the pan off?
10-30-2008
This is a dumb question, but I am new here and I cannot figure out how to post a new thread. Can anyone help?
10-30-2008
click on whatever category u want,then look at top right of page...it says "new topic" in a little black boxOriginally Posted by Bruty74
Originally Posted by SuperSport
10-30-2008
Thanks!!!!!!!!!!!!
10-30-2008
Replacing the solenoid is a chore and without the right support tools it makes it worse. Here are a few steps to go by.....
- Disconnect negative battery cable
- I have an engine/trans support bar setup that stradles over the fenders and I attach this to the drivers side of the engine only for this job
- Unbolt or remove the upper dogbone mounts.
- Jack up the drivers side only and support it with jack stands
- Drain trans fluid either by pumping out of the fill tube with a fluid pump or by lowering the lower pan
-Remove drivers front wheel
-Remove dust/inspection cover over trans mount
-Remove trans mount upper nuts
-Remove power steering rack bolts
-Support drivers side frame/cradle assembly with a floor jack
-Remove drivers side front and rear cradle bolts and loosen passanger side cradle bolts
-Make sure steering rack moves freely and SLOWLY lower the jack that you have supporting the cradle.
-You may need to remove lower trans mount nuts and remove mount for more access room
-Lower down drivers side engine-trans from mentioned support bar. You can also attach an engine hoist to do this as well. The engine-trans support bars have long hooks with threaded rods on the end to raise and lower the trans which you must have to do this, otherwise an engine hoist will do.
-Remove large black metal mounting bracket from side of side cover on trans if needed
-Disconnect trans electrical connector
-Remove air box if needed for access to upper side cover bolts
-Remove all side cover bolts
At this point if the engine cradle is lowered enough and the trans is lowered enough you should be able to move the side cover over a few inches to gain access to replace the solenoid. Notice I did NOT mention removing the drivers side axle because you CAN do this job without removing it, but keep in mind this is just for replacing that solenoid! ANY other repair inside the side cover will require removing the drivers side axle so you can completely remove the side cover from the car. Assemble in reverse order or however you choose to find easiest. Inspect the side cover gasket which is molded metal and rubber. It can be reused but it has a tendancy to seperate on the lower right corner so make sure it is in good shape or you are looking at a $70 gasket from the dealer.
Use CAUTION when tightening side cover bolts!!! The 3rd torx head bolt from the left is a bad area as the molded gasket does not have as much support and if you overtighten this bolt the cover may crack! Torque specs are on my info page in my sig.
10-30-2008
TrannyMan95, I appreciate you taking the time to post this. I plan to tackle this over the weekend as it seems to be shifting hard every day now after it has warmed up. I'm so happy I have found a site with great people on it as this one. Its tough to find knowledgeable people on two sites for two different cars.
11-09-2008
TrannyMan95,
I did not know you sold the part that I needed. I wish I knew this because with the help you have given me I would have bought it from you. Hell its the same price i paid at the dealer. I know some people try and stay away from peddling there products, but I think wih the help you provide it would not hurt!
11-15-2008
Trannyman
I have the cover off. How do i remove the solenoid? I'm trying to find a clip but have had no success...
11-16-2008
emailed that link to my dad, as my sisters '98 Regal is hard shifting too. This tranny is a replacement, cause her radiator cracked, and let coolant into the tranny cooler, and then all hell broke loose inside her transmisison. Amazing...they dont run on water and tranny fluid.LOL Replaced the radiator, and the transmission, and went with a external tranny cooler case we just dont trust the GM radiators anymore on any of our cars, since this is not the first time they have done this and cause more harm that good.
~F~
11-16-2008
The clip is just inside the valve body casting behind the solenoid and you should be able to pop it out with a small screwdriver.
11-16-2008
Trannyman,
I rolled out of bed, walked out to the car and BAM, I could see the slot behind the solenoid. I used a curved pick to get the clip out. I wish I had taken pictures so I could do a write up about it. Your directions were a huge help. The only thing i had to do that wasn't on the list was unhooking the sway bar on both side so i could get the bolts out of the rack and pinion. I have it all back together and will see in the coming week if it fixs my issue.
11-17-2008
Glad I could help out! Yeah I left out the sway bar step because oddly some cars you dont have to worry about this and leave you enough room to get the bolts out, or you can use a pry bar and pry on the bar really hard to move it out of the way. When I drop transmissions out of the car I loosen both ends of the sway bar up to make it easier to pop the ball joints loose and pull the knuckle off and move it over but some people dont do that either, its personal prefference and people find a way they like best and go with it.
12-08-2008
I am curious if this fixed your problem? Did you check the filter to see if anything was in it? Or scan it for codes to see if you have a 1811 or other trans code that does not set the SES light?
Mine was doing this and my third gear ended up being toast......
12-09-2008
This did fix my issue. I wanted to wait a few weeks to be sure. I did not drop the pan when i replaced the sensor because i had already dropped it when i did the filter fluid change the first time. As of this date its shifting just as it should.
12-10-2008
Looks like you caught it in time before any damage occured. You got lucky.
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