1993 Chevy Van Reman transmission

Tiny
HENK
  • MEMBER
  • 1993 CHEVROLET VAN
  • V8
  • 2WD
  • AUTOMATIC
  • 153,000 MILES
Hello,

This is the second tranny with the same problem; I put a remanufactured transmission (4L60E) under my car.
When I start driving from standing still the transmission seems to shift two times into the second gear. Only when I use very little throttle it shifts like it should but when using more power it feels like it has problems to engage second gear so I feel a shift 2 times.
And the overdrive in fourth gear does not work sometimes.
the first reman tranny broke down, the remanufacturer replaced it under garantee but it was really busted inside. I am afraid that it will happen with this tranny too.
Can it be caused by the on board computer? Or bad plug connections? Both times it was the second gear and both times there was a problem with the overdrive. ATF fluid level is good, not smelly, nice red colour.

I have a second question about the brake system. I own this car for five years now and the ABS never worked. The orange light on the instrument cluster lights when turning the key, it goes out when the engine is running. But after I changed the brake pads and the brake fluid with a vacuum system the ABS warning light stays on after the engine is running. Brakes are still good, even better because of the fluid refreshing.
Thanks, Henk from the Netherlands
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Sunday, May 24th, 2009 AT 4:00 PM

5 Replies

Tiny
M_H_RITZEL
  • EXPERT
Since the time between transmissions has the battery been disconnected? If not disconnect, wait 5 minutes then reconnect. Do not remove the negative side. Has the van been scanned? There could be a couple of things that would make both transmissions do this, check the Tp sensor, Vss, shift solonoid and the pressure control solonoid. With disconnecting the battery most cars or vehicles around the beginning 1990s will have to be driven about 50 miles before the computer resets itself. This does not have to be all at once. When the computer is reset then have it scanned to find out what solonoid could be doing it. Resetting the computer will also reset the abs. If the problem reoccurs then you have to have it looked at.
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Monday, May 25th, 2009 AT 9:48 AM
Tiny
HENK
  • MEMBER
Hello, can you tell me what Tp sensor, Vss, shift solonoid and a pressure control solonoid are? And were can I find them?
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Monday, May 25th, 2009 AT 1:40 PM
Tiny
M_H_RITZEL
  • EXPERT
The tp is throttle control , the vss is vehicle speed conteol, pressure contol is what it says. the sensors are on the transmission. Yes a broken wire or bad plug will do what you are posting. Since you have had one transmission break down check all the electrical connections,


http://www.2carpros.com/forum/automotive_pictures/54223_trans_4L60E_2.jpg




http://www.2carpros.com/forum/automotive_pictures/54223_solonoids_for_4L60E_trans_1.jpg

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Friday, May 29th, 2009 AT 9:31 AM
Tiny
HENK
  • MEMBER
Thanks,

I will have the van scanned, I have reset the computer by disconnecting the battery. The ABS lamp has never been out. This happened after I replaced the brake pads and the brake fluid. Before that the ABS never worked but no ABS lamp on. How can that be? I heard that air can be trapped in the ABS after refreshing the brake fluid. I sucked it out with a vacuum pump, how can air get in?
I will watch your posting and in the mean time search for a new airco pump; next problem appeared.
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Monday, June 1st, 2009 AT 2:56 PM
Tiny
M_H_RITZEL
  • EXPERT
My son had that problem he found that the line had air in it. He had bled the lines 4 times before he found that where the line bent up then down the way the line was bent trapped air in it. Abs systems are touchy if there is a little air inside. Have seen where the preportioning valve would get stuck and madke the car pull to one side. Try bleeding to the abs unit first then go on to each wheel.
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Tuesday, June 2nd, 2009 AT 11:49 PM

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