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How many miles? You probably need the Transmission Fluid flushed.
Bring it to a mechanic that knows the difference between good transmission oil and the stuff Valvoline and other quickie places use.
---If your engine has over 50k miles, don't flush the transmission. That will cause blown gaskets leading to leaks. Your transmission being as old as it is, cannot take the full pressure from the fluid flushing.
Shifting too hard is a common aging problem with this 4T65E GM transmission. The 4T65 is found in many light to medium duty front wheel drive GM vehicles from 1997 to 2003 such as Pontiac Grand Prix, Chevrolet Lumina, Chevrolet Venture, Chevrolet Impala, Monte Carlo, Oldsmobile Intrigue.
The problem is resolved with replacing the electronic pressure control solenoid. In most honest transmission repair shops this will cost about $800. What happens is over time the EPC solenoid and it's bore (all within the valve body) gets stuck in a high or low position. This stuck valve will set a consistently high or low line pressure feeding the other shift solenoids too much or too little pressure resulting in all gears shifting with incorrect pressure.
In some cases where the vehicle has over 150k miles and the auto body and interior are looking a bit old it may be best to just drive the vehicle, no harm will be done. Otherwise, if the vehicle is in good shape the $800 to repair the transmission could be great news for the owner and passengers! http://LealesTransmissions.com
What else can I help you with?
2001 Chevy Impala shifts hard after driving for a while?
One issue with a 2001 Chevy Impala hard shifting could be the pressure control solenoid. The car may also need something as simple as more transmission fluid.
How do you install a water pump on a 1998 Chevy Venture van?
how hard is it to replace a water pump on a 1998 chevy venture van?
2001 Chevy cavalier how do you changethe transmission fluid and or add fluids to it to stop hard shifting?
try changing the map sensor, that was the problem on mine.
2001 gmc savanah van 5.7 liter engine starts hard possibly fuel pressure issue?
I've got a better question, why is this question in the Chevy venture forum ?
What to do if your car is shifting hard Chevy Malibu 1999?
if its an automatic change fluid filter in transmission!!
How do you replace starter on Chevy Venture 1998?
On a 98 venture the starter is located in front and just under radiator. Simple to reach and change. I learned the hard way.
How can hard shifting in 2001 and 2002 Oldsmobile Silhouettes be corrected?
replace power control solenoid. $50 part
1999 Chevy siverado shift is hard to move into gear?
Bent shift linkage Frozen shifting linkage - try lubricating
How do you remove the drivers side door panel on a 2001 Chevy Venture?
Hi, The hard part is the bolts that are in there. Otherwise you just use a trim tool to CAREFULLY pop the edges out. I have included a link that has the description of the process and a few pictures. Good Luck, Greg
Why doesnt my 2001 Chevy silverado ac not blow hard?
Clogged cabin filter
Can you get a detailed picture of where the Thermostat is on a 2001 Chevy Venture and instrustions on how to change it?
I have had a problem with mine. I have a 1997 Venture. I was told that it is very hard to get to and can take a mechanic around two hours to take out. Unfortunately, my thermostat has a bolt that is stuck and will not budge. The mechanic would have to go about getting it out another way. There was a 50/50 chance that it would come out without ruining a part that would cost $600 to replace.
2002 Chevy hd 2500 that the transmission shifts but does so very hard revs up too high before shifting but all gears working could this be the filter?
Had a similar problem. Mine was a shifter solenoid? ( i think) This was after I had the tranny rebuilt and it was still shifting very hard. Once they put the solenoid in no other problems.
