Why is my transmission not working on my Chevy Impala?
Why is my transmission not working on my Chevy Impala?
Be sure the trans has power and the fuse is not blown before doing anything else. Also note that many problems that show up as transmission issues are actually PCM or electrical, and may be external to the transmission. Try a different PCM, and check for chafing where the cables come out of the PCM and touch the LF fenderwell.
When to replace boost valve on Chevy Impala?
If base pressure is low, trans or pump is worn out. If max pressure is low, check EPC solenoid. If reverse is slow to engage, and line pressure does not come up to at least 130psi in reverse, replace the boost valve with a Sonnax boost valve (easy fix in pan).
Are there any problems with the Chevy Impala SS?
8. 1st and 3rd only, no 2,4 or R; sunshell is fractured or splines are sheared off. R&R. Try not to run or drive the car or further damage could result.
What does fault mode on Chevy Impala mean?
That is the street slang term for a fault mode in which the PCM cuts power to the transmission. The transmission will default to max line pressure. The driver will have Reverse and 3rd, with manual 2nd available by putting the gearshift in 2 or 1 (doesn’t matter). 1st, 4th, and TCC lockup will not be available.
Why does my Chevy Impala squeak when I Turn right?
High pitched Squeaking/squealing when turning right. Hello, I have a 2006 Chevy Impala with 163000 miles. 2 months ago I had my rack and pinion replaced (brand new) as well as my brake pads (front and back).
Be sure the trans has power and the fuse is not blown before doing anything else. Also note that many problems that show up as transmission issues are actually PCM or electrical, and may be external to the transmission. Try a different PCM, and check for chafing where the cables come out of the PCM and touch the LF fenderwell.
If base pressure is low, trans or pump is worn out. If max pressure is low, check EPC solenoid. If reverse is slow to engage, and line pressure does not come up to at least 130psi in reverse, replace the boost valve with a Sonnax boost valve (easy fix in pan).
8. 1st and 3rd only, no 2,4 or R; sunshell is fractured or splines are sheared off. R&R. Try not to run or drive the car or further damage could result.
However, in today’s cars (esp the Impala) the transmission is computer controlled. So it’s hard to say. It could be the tranny, or the computer. So the fix could be as complex as overhauling the transmission or as easy flash-updating the PCM.
Why does my Chevy Impala stall at 35 mph?
Every time I am accelerating out of first gear to second gear, around 35 miles per hour, my car shudders as if to stall then it makes clicking sounds and my RPMS fly up the scale. The car remains at 35 MPH until I let off of the accelerator.
When does vibration start in Chevy Impala transmission?
The vibration starts at 55 and is at its worst at 65. Its really bad if I am going 65 or 70 on the highway and suddenly take my foot off the gas without hitting the brake. You can actually look at the steering wheel and see it vibrating.
Is the Chevy Impala the same as Chrysler?
Chevy is not the only company, Chrysler products require the same maintenance. The differences in performance and gas mileage after cleaning the carbon build up is very noticeable.
What causes hard shifting in a Chevy Impala?
Erratic and hard shifting can occur from a failed transmission pressure control solenoid. To fix this issue, a partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid. once i am at a complete stop and i get ready to go the car will take a moment and then jerk.
How much does it cost to fix a Chevy Impala transmission?
The transmission issue of shifting erratically just started but only when the car has been on the road for more then 30 minutest or so. Was checked out through a Chevrolet dealer and told it would cost $1000.00 to fix the solinoid issue.
What kind of acceleration does an impala have?
So I bought my 07 3.5 LT in January, and quickly noted that i thought it accelerated kind of crappy when cold and at moderate acceleration. I did a TON of research and a lot of impala owners have this problem, along with a bunch of other GM cars.
Are there any problems with the Chevy Impala?
Brought the Car Used…. Drivetime (Very Clean, Fully Loaded) Great Vehicle aside from the Jerking that started around 110k miles. Jerking and hesitating only during take offs from stop light or signs. I noticed it a little sluggish in reverse leaving driveway slightly uphill as if vehicle doesn’t had the power.
However, in today’s cars (esp the Impala) the transmission is computer controlled. So it’s hard to say. It could be the tranny, or the computer. So the fix could be as complex as overhauling the transmission or as easy flash-updating the PCM.
The vibration starts at 55 and is at its worst at 65. Its really bad if I am going 65 or 70 on the highway and suddenly take my foot off the gas without hitting the brake. You can actually look at the steering wheel and see it vibrating.
Every time I am accelerating out of first gear to second gear, around 35 miles per hour, my car shudders as if to stall then it makes clicking sounds and my RPMS fly up the scale. The car remains at 35 MPH until I let off of the accelerator.
That is the street slang term for a fault mode in which the PCM cuts power to the transmission. The transmission will default to max line pressure. The driver will have Reverse and 3rd, with manual 2nd available by putting the gearshift in 2 or 1 (doesn’t matter). 1st, 4th, and TCC lockup will not be available.
How can I Fix my Chevy Impala 4L60E?
Try a different PCM, and check for chafing where the cables come out of the PCM and touch the LF fenderwell. ALL ELECTRICAL PROBLEMS ON THE B/D-BODY 4L60E CAN BE FIXED WITHOUT REMOVING THE TRANSMISSION.
How to fix when automatic transmission won’t shift into?
The PCM will have no input if the speed sensor fails. In that case, the transmission will not shift properly. To solve this problem, you have to check the speedometer to see that it is functioning. Otherwise, replacing the VSS could be the solution. Tsukasa Azuma is an awesome car blogger of Car From Japan.
Is the transmission slipping in my 2010 Impala?
The transmission is slipping in my 2010 Impala. It only does it from a stop but does not happen all the time. It will rev up and move very slow and then all the sudden grab. I seen a few Threads on this but did not find a solution. I have the same issue on my 2010.
He said the Impala has had problems with the pressure control module. He also said without a check engine light and no symptoms he would not recommend doing anything. Did you get a check engine light?
How to troubleshoot a transmission problem in a Chevrolet?
1 Symptoms. The first sign that you may have a possible transmission problem could be the check engine light coming on. 2 Troubleshooting Steps. The first steps in troubleshooting the Chevrolet transmission problem are to read the fault codes from the Transmission Control Module (TCM) and check the transmission fluid level. 3 Common Problems.
Can a car shift gears without a downshift solenoid?
Downshift solenoids are an important transmission component, and without them, the vehicle will not be able to shift gears properly, sometimes even to the point of rendering the car undriveable.
Why is my 4L60E not shifting into overdrive?
As the 4L60E ages, one of the most common problems that it develops is that it won’t shift into overdrive anymore. Without overdrive, your vehicle turns into a time machine and takes you back to an era where it was the norm for a vehicle to scream down the highway at 3000 RPM.
What was the problem with my 2008 Impala?
1 Had same problem on 2008 impala. No MIL lights, transmission fluid clean with new filter. After coming to a stop transmission hesitated then jumped into gear. Problem ended up being Throttle Position Sensor on the throttle body (not pedal). Share Improve this answer
What’s the transmission on a 2007 Impala LTZ?
My transmission on 2007 Impala LTZ was repaired at 35k miles. However, about 2x a month it still randomly and unexpectedly slips when taking off at the traffic light. It will continue to slip at the next 2 or 3 traffic lights and then it will clear up.
1 Had same problem on 2008 impala. No MIL lights, transmission fluid clean with new filter. After coming to a stop transmission hesitated then jumped into gear. Problem ended up being Throttle Position Sensor on the throttle body (not pedal). Share Improve this answer