M70 ✓ Factory-verified

Buick · Regular Production Option

Transmission, automatic, 4 speed, HMD, 4L70-E, super duty

Years 2006–07 Models 1 Factory citations 2

Query this via API →

Also documented for ChevroletGMC

Documented applications

Rainier — GMT360 (2004–2007) →

• 2006–2007 ✓ Factory-verified

  no list ties the 4L70-E to a Rainier engine here: the lists give it beside the 6.0L LS2, a code left out because only the Chevrolet TrailBlazer SS is shown with that engine (the 2006 TrailBlazer kit shows it in the SS package)

  ⛭ GM factory document — 2006 buick rainier 2wd rpo code list, p.1.

  ⛭ GM factory document — 2007 buick rainier rpo code list, p.1.

Related codes · mentioned in these notes

LS2

This page aggregates every documented appearance of M70 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.