Transmission swap in a 99 Silverado

Asked by Peter Oct 06, 2023 at 09:56 PM

Question type: Maintenance & Repair

Changing out the 99 4L60E
to a 2006 4l60 will it work
what do I need to have to
change on it

2 Answers
310,265

Gene answered about a year ago

It won't work,totally incompatible with the 1999 electronic system and wiring. You need a numbers matching transmission or have the stock unit rebuilt.

Mark helpful
40,015

beatupchevy answered about a year ago

Don't go cheap on a rebuild either go pro , There were many variety of trannys in those , some good some not so good .

Mark helpful

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