Questions tagged [4l60e]

Transmission manufactured by GM for use in cars and trucks. This transmission has four forward gears (three drive/one over-drive) and one reverse gear. This transmission should be differentiated from the 4L60. This is due to the 4L60e being electronically controlled through the Powertrain Control Module (PCM), while the 4L60 is not.

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24 views

Car starts in park and drive only and stuck in 4lo

I have a 2000 GMC Jimmy SLE with 4wheel auto 2hi 4hi and 4lo options on dash. It will start in park and drive but not neutral. Would not shift into 4 wheel at all and I found out a vaccum hose was not ...
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31 views

94 4x4 4l60e no reverse/ overdrive

94 suburban 1500. Has no reverse or any other gear with the TCC plugged in. Unplugged the TCC and I can manually shift through the 4 gears and do 90 plus mph. So it's an electronic issue. Any guess??? ...
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52 views

testing auto 4L60E transmission while not in vehicle

is it possible to test while not installed in vehicle my auto 4L60E transmission
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140 views

4L60E small RPM flash during 2-3 upshift

I have 2001 Chevy Tahoe with 4L60E tranny. The car has only about 160k miles as for now. Last year I installed TransGo Shift-Kit 4L60E-HD2 - actually only the parts that make the shifts firmer and ...
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1answer
167 views

Reverse not working, tranny noisy

I thought I was stopped and put vehicle in reverse. Strange noise now no reverse and tranny whines and seems to shift hard on drive gears. Its an '04 Silverado 2×4, v6, 4.3l had no problems prior that ...
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187 views

What does muddy transmission fluid indicate?

I'm in the process of pulling out the engine & transmission from my Lumina (progress here). The picture below shows the state of the transmission fluid. It has a slightly grainy texture to it. I ...
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124 views

GM 4L60-E Rebuild Questions - Part 1

I am in the process of rebuilding my first 4L60-E (I've done a 4L30-E before) and I had a couple questions. 1st: In terms of the input drum pistons I know there are both aluminum and steel models, ...
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401 views

Transfer Case Options 4l60e

I am currently in the process of rebuilding a 4l60e which will go into a 4x4 go-kart. I am now in need of a transfer case that will bolt up. Are there any manually shifted (not dash button) transfer ...
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1answer
722 views

How does PCS on 4l60e work?

Looking at the pinout for the connector for the 4l60e there are 2 pins for the pressure control solenoid. 1 pin for HIGH, and 1 pin for LOW. Does this mean the PCS can only ever be in 1 of 2 ...
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1k views

Transmission fluid and filter change: Miles or time? Or both?

I'm pretty sure the service schedule for replacing the transmission filter for a 94-96 B-Body with a 4L60E automatic transmission is an interval in miles only. I don't have the number handy at the ...
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560 views

4L60E fluid change

I'm going to change the transmission fluid on a '96 B-Body with a 4L60E transmission and an LT1 engine. The transmission fluid pan does not have a drain plug. I'd rather not drop the pan unless I ...