6T45 Planetary 2016, used and ready to install. Fits the 6T45. Ships fast from the USA.
If your 2016-era Chevrolet Equinox or GMC Terrain with the 2.4L and 6T45 has started to whine with road speed, dropped a gear, or left steel flakes on the pan magnet, the gear train is the part of the transmission you need to look at. This is a used, genuine GM complete planetary set pulled from a 2016 GMC Terrain 2.4L 6T45. The photo shows the carriers, gears and shell as a group, so you are replacing the whole gear train instead of mixing a single new carrier with worn mating pieces.
The 6T40/6T45 family builds six forward speeds and reverse from three simple planetary gearsets, held and driven by three stationary brake clutches and two rotating clutch drums. Which clutch locks which member of each gearset decides the ratio, from 4.584 in first down to 0.746 in sixth. The difference that matters for a 6T45 buyer is the input gearset: the 6T45 uses a five-pinion input carrier where the lighter 6T40 uses four, part of how GM rated it for more torque along with a wider 1.25-inch output chain. That is why a 6T45 owner should not settle for a 6T40 gear train.
Pull the pan and look at what is on the magnet. Fine gray paste is normal; hard steel pieces or rollers are not. A no-reverse or slip complaint can be a clutch or control problem with a perfectly good gear train, so read our 6T40 and 6T45 common problems guide first, and rule out a sensor fault with the input and output speed sensor guide, since the input sensor reads the 3-5-R clutch assembly. If the unit is already apart, spin every pinion and check end play: pitting, blued teeth or loose pinions mean replacement.
This set is listed for the 6T45 from a 2016 vehicle, specifically a 2.4L GMC Terrain. By 2016 the family had moved to the second-generation controls GM introduced for 2012, and GM rolled third-generation changes into some later applications, so a 2016 6T45 is not automatically identical to an early unit. Compare the pinion count on the input carrier (five on a 6T45), the hub splines and the shell against your parts and the photos. If you are unsure, send us your year and VIN before ordering. For an early first-generation unit, our 2009-up 6T45 planetary is listed separately.
| Fits | 6T45 2016 |
| Part type | Planetary |
| Condition | Used |
| Brand | OEM |
| Ships | From the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
It is built for the 6T45, which uses a five-pinion input carrier and a different output chain width from the 6T40. Use a 6T40 set in a 6T40 unless a builder has confirmed the swap for your exact unit.
It was removed from a 2016 GMC Terrain with the 2.4L engine and 6T45 transmission. Send your year and VIN if your vehicle is different and we will check it.
No. A speed-related whine can also come from the final drive, differential or wheel bearings. Pan debris and a bench check of the pinions are the best confirmation.
Thrust washers and bearings, worn bushings, and the 3-5-R wave plate. If the old wave plate broke, inspect the clutch drum splines and replace the drum if they are damaged.
Dexron VI. Check the level hot at the level set plug after cycling through the ranges, then perform the fast learn with a scan tool.
