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What is th line pressure in park at idle on a GMC 4L80E.

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Posted on Mar 14, 2011


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IS A 1995 CHEVY 2500 4L80E AND 1995 GMC 2500 4L60E THE SAME

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My 2005 4L80e poped out of drive at 65 mph and now it does not go into drive and it goes to idle and coasts when I let off the gas.

Here's what my problem was in my '93 GMC when this happened.. A speed sensor was faulty.. The dealership hooked me to their computer and they had the answer right away.. They changed the sensor (not a big deal) and it's worked perfectly since.

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My 1997 gmc 2500 4x4 5.8 engine with a 4L80E tranmission was rebilt 2 years ago 25000 miles shifts hard 1st to 2nd and no codes my shift cable is broken if you shift it manuley its good but wont come out...

first thing to do make sure that you can fix the cable first before you proceed to another problem .. it will hard to shift if there is problem with the cable .. but in this situation .. did you check the trans . oil good or bad smell burned oil.. and if you shift manually its fine .. it might be the problem came on with the manifold pressure switch on the valve body..

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Need wire colors and location for the 6 wire plug on a PNP switch on a 2001 GMC with the 4l80e

park/neutral position/on the transmission at the lever make sure brake on shift is neutral/its black plastic with wires comming out looks like a switch/you will see just make sure u r in neutral /and align tabs.

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1995 gmc 2500 4l80e transmission will it work in my 1997 gmc 2500

not 100 percent but in 95 it is 700r4 and went to the 4l80 in 97 for obdII its the same just more electronic unfortunetly i dont think it will work in ur application

Oct 26, 2012 | 1997 GMC Sierra K2500

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The car is in Las Vegas kept in a garage at night, during the day is parked in covered parking, however, it is hot there and the air is needed. Recently, it has started dying while driving. When the air...

The fuel pressure needs to be check the 1999 GMC Jimmys has a most popular fuel pressure problem the fuel pressure must be percise and its return line wich is vacuum control has a high tendency for failure you best bet is fuel pump with a filter and the pressure regulator

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Have 1995 gmc with a 4L80E TRANNY IN MY 4X4 wont

could be the valve body has stuck valve or detent cable ismout of adjustment

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Transmission swap

yes but you may have to change output shafts, costs $85.00

Jun 24, 2009 | 1993 Chevrolet Suburban

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I want to swap a 700r-4 to a 4l80e.

Well, you will need the computer that controls the 4L80E because it is shifted electronically as the 700 is not - it is hydraulic. I think if you have both trucks, you swap wiring harnesses and such and it would work out.

Or you could buy a module just for working the trans but I think they are expensive.

Apr 06, 2009 | 1989 GMC K2500

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4L80E trans harsh and late upshifts

Found trans to be a mis build,, had a rear planetary with no reluctor ring for the output speed sensor ,, sensor was picking up a false signal from moving internals. This caused a gear ratio error, wich defaulted the trans and was not contolling the pressure, default pressure went high causing late and harsh shifts .

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