Question about 1994 GMC Sierra

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I would like to put a 95 4L80E trans in my 94

I would like to put a transmission out of a 95 GMC 1500 with a 4L80E trans. Put it in my 94GMC 1500...they are both diesel 6.5 turbo 2wheel drive. The book say they are year specific.. i was wondering if this can be fixed? Thanks

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If your transmission is same 4L80 there is no different, you can install and fix it

Posted on Jul 22, 2010

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1 Answer

Put a 96 or 97 4l60e in my 94 gmc now got backfiring and drivabilty problems can i change the wiring in the transmission to fix this


Trans shouldn't make it backfire,are you sure the dist. cap didn't hit the firewall when the trans came out and get damaged?

Dec 10, 2013 | 1995 GMC Sonoma

1 Answer

Can a 94 chevy cheyenne transmission interchange with a 97 chevy silverado tranmission


Will it physically fit? yes. Will it be a direct replacement any everything hook right up and plug right in? If we are talking about an automatic then no. 1994's wiring was completely different than the 1997. Can it be made to work? possible, but I believe it would be more trouble trying to make it work than if the correct transmission were located and installed. If it is a cost issue where he has a good trans out of a 1994 he might see if a salvage yard will do some partial trading for the correct trans.

Apr 24, 2013 | 1998 Chevrolet C1500

1 Answer

94gmc 1500 5.7 changed distributor didn't mark the


The distributor shaft should be made where you can only put it in one of two ways. So it should be right or 180 degrees off. If the shaft is turning it should fire the injectors and the plugs, but not necessarily at the right time.

Aug 25, 2012 | Cars & Trucks

1 Answer

I have a 94 gmc k 15004x4 and the trans.makes noises like a bearing is bad.when i put in 4weel h noise goes away.what do you think?


  • Check the gears of the transmission and checked the release bearing. If the release bearing needs to be change replace it.
  • And make sure to buy a new transmission fluid.
  • If you need clarification just reply to this solution.


I’m happy to assist further over the phone at https://www.6ya.com/expert/ramy_d9e7ebea3891f482

Jun 15, 2010 | 1993 GMC Sierra K1500

1 Answer

Have a 94 gmc 1500 4.3 automatic when i put it in drive it doesn't shift if i manuely shift from first to drive it will shift it doesn't have any slipping it also has overdrive that doesnt seem to work any...


Transmission does not shift automatically, only manually. Swap in a known-good PCM, check wiring, check other sensors such as VSS and TPS.

Trans shifts into gear harshly, car feels sluggish off the line
, No 1st, 4th or TCC lockup available, Manual 2nd, 3rd and Reverse are only available gears, CEL is on: Transmision is either in limp-home mode or has lost electrical power. If there are lots of error codes in the PCM, check the underhood fuse that powers the transmission, and if it pops again, look for a short in that circuit like an O2 sensor harness touching exhaust. Otherwise, check PCM codes for a particular fault in the transmission causing the PCM to put it in limp-home mode.

Car goes into gear but feels very sluggish like the brakes are dragging, but it will roll easily (starts out in 4th gear), you manually shift to 2 to get it moving, once it's moving you put it back in OD and the car shifts 3rd to 4th on its own and locks the converter at the appropriate time: ShiftB solenoid failed: Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.

Good luck and get back to me, hope this helps.

Nov 16, 2009 | 1994 GMC Sierra

1 Answer

Help...94 Suburban 1500 auto 4x4, I am changing


I'm pretty sure GM built your truck with the diesel engine as an option so there is a way to make this work. The trans shifts are based on a combination of ground speed and engine RPM so as long as the computer is able to get these signals your trans should work. I put an early 90's overdrive in a mid 80's truck and didn't plug the wiring in because the trans used a 4 wire plugin and my truck only had a 3 wire. It worked fine, even overdrive.
A little jury rigging and ingenuity should find a way to attach your current kickdown cable to the accellerator on the diesel pump. GM probably has a bracket to make it fit. Check with the parts guys at the counter. Hope this helps.

Oct 03, 2009 | 1999 GMC Suburban

1 Answer

Dodge Ram 1500, trans stick out, hard to pour trans fluid into...


You're going to have to shimmy up underneath and guide the dipstick tube back in and fasten at least one of the screws temporarily so you don't pull it out again. Its fairly easy and you shouldn't even need a jack due to the standing height of the 1500, I'm fairly broad around the chest and shoulders and i can get under my 94 which is the the same basic body stye quite easily with no jack to put back in my pesky neutral safety switch plug that occasionally likes to wiggle out

Nov 05, 2017 | 2001 Dodge Ram 1500 Truck 2WD

2 Answers

I just put a transmission from a 1994 chevy 1500 onto my 1993 chevy 1500. it fit perfectly but the wiring harness is different. is there an adapter for this application? if so, and i install it will i need...


what color is the inside of the trans connector on the trans itself? I believe the 93/94s were a tan yellowish color. 1995 and up are different and won't work - electronics are different

If they have exactly the same amount of solenoids, you could switch the harnesses.... but it sounds like you have a 95 or newer trans which would have one more solenoid

Apr 11, 2009 | 1993 Chevrolet C1500

2 Answers

Chevy transmission hangs in 2nd,


It just holds 2nd forever. Is the 1-2 shift point high?

Mar 24, 2009 | 1999 Chevrolet Silverado 1500

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