I just put new vavle body in it still the same. Stays in drive, wont shift into overdrive or back. When this force creates a great enough torque on the transmission turbine output shaft to overcome the resistance of motion, the turbine begins to rotate. I would greatly appreciate some help as well from anyone. Hold the rubber hose in your hand. I purchased it from a guy who gave up on fixing it. When it messes up it will shift very firm 1-2 and 2-3 then no 4.
Inside the impeller housing are many curved vanes, along with an inner ring that forms passages for the fluid to flow through. I checked the harness underneath, and found a couple of frayed wires, but not cut in two. Transmission must be removed and rebuilt, sooner rather than later. All tested good, battery voltage. While this is happening the speedometer drops to zero. Scott Frye 4-14-09 I Have A 1996 Chevy Z71 pickup. Did you ever figure it out? From bells to valve bodies, added solenoids, changes in pump and convertors.
Try to wiggle driveshaft — if more than 0. When the impeller turns, the vanes accelerate the fluid and centrifugal force pushes the fluid outward so that it is discharged from openings around the inner ring. They both looked to be pink. Have spent 300 on diagnosis with no answers. What else would cause my tranny not to be shifting? You then have a place to start looking for the malfunction. Trouble light comes on, Mfg fault. Steve Godwin 4-11-15 I just had my 4l60e transmission rebuilt.
Lockup reduces slippage in the converter increasing fuel economy. Any help appreciated-maybe the Servo seals? The pre-1987 type of solenoid would clog easier than the late type. If you followed this test procedure step by step you will have found exactly where the problem is. Truck starts, shifts fine and then once it's warmed up, it stops shifting. If memory serves, the one to switch is closest to the driver's side. May also have worn boost valve can replace in the pan. To check for pump failure, check fluid level with the engine off, then start the engine and recheck fluid level.
Stays in drive, wont shift into overdrive or back. Brent 1-10-16 My 4L60e tranny will not find low or overdrive. Now, this is not the best of ideas because the car will shift now without your foot being on the brake but I have had it this way for a while and no troubles shifting in or out anymore. Went to put 4- wheel drive on and it wouldn't go into gear. All Postings that advertise items for sale will be deleted from the Discussion Forum. Transmission must be removed and rebuilt. Transmission must be removed and rebuilt.
No burnt oil, or leaks. This will repeat two more times. Unplug the wires at the case and place the tip of your test light on the terminal marked A. Aaron 11-14-09 I have a 1994 siverado, truck sat for 2 months withbad fuel pump and when i fixed that and drove the truck i put it in od and it takes off sluggish and than its fine but will not engage od rpms at 5500 79 mph. Not a critical failure, but not a good sign either.
Fluid is clean and not burnt. If not, this must be replaced. The impeller puts the transmission fluid in motion. Could there be a connection between the two? Any one got any suggestions? A common problem on many General Motors cars is the Torque Converter Clutch fails to release and causes the car to stall when it comes to a stop. All fluid pumped out through the vent tube: Plugged cooler line. I think i might have an issue with my computer, please respond back if you solve your problem, maybe it will help me out too Stephen 10-12-10 I have the exact same issue with yukon denali. Horrible noise in 4th and feels like the brakes are on: overrun clutches are applying due to a cracked or leaking forward piston.
Transmission will eventually die a loud, catastrophic death. Id appreciate it if somone could lend some helpful hints we think its the speed sensor but id rather not replace it if thats not it. While you have the pan off, swap the 3-2 downshift solenoid. Posted on Mar 22, 2009 www. The all-wheel drive versions of the 2000 to 2003 Astro have only a faulty transfer case shift motor to worry about.
So i then replaced the tranny, it ran fine shifted great for the first three hours. The computer will then start the entire sequence again beginning with code 12. The guy I got the truck from said they just rebuilt the trans but didn't blow out the lines or something when putting it back on, and now it dont have any gear higher than 2nd. I didn't do this part, so I don't know what kind of adapters are needed. If the donor tranny has an external neutral safety switch the big black thing over the gear shift lever on the driver's side of the tranny , you will need to swap out the lever because it will be too long. If I drive normally it shifts just fine but when I get on the gas hard when it's time to go into third it won't shift, I have to come off the gas and then push it again then it will shift.
The 4L60E transmission weighs 146 pounds dry, and 162 wet. Jon 2-22-10 I have a 97 Z71. No movement in any gear: pump failure, or total loss of fluid. The wire colors should match. All gears seems to work. Transmission must be removed and rebuilt. This does not mean that there is no malfunction.