Remanufactured GMC Acadia Transmissions 

Our Acadia 6T75E Series Transmission Updates and Upgrades

GMC Acadia Transmission Problems & Solutions

The GMC Acadia was designed to be a premium alternative to the typical 3-row family crossover. As such, they gave it an upscale cabin, with lots of quality materials, and fancy features. The GMC Acadia Denali took the fancy-ness a step further, by adding a bespoke plastic-chrome exterior package, pearl paints, and even nicer interior accouterments.

Under the hood, both "Grades" of GMC Acadia got a powerful 3.6L V6 engine, and a new 6-speed automatic that made momentum feel effortless. However, that smooth shifting gearbox has habit of self-destructing rather early in its life-cycle, forcing many owners to resort to a remanufactured GMC Acadia transmission.

Common Problems with the Acadia 6T75E Transmission

1) Overheating

One of the most common GMC Acadia transmission problems is overheating. This happens when the moving parts inside the transmission are creating more friction heat than the ATF can remove. The most common cause of this condition is towing heavy loads, driving in stop/go traffic, or on mountain roads where the transmission has to shift a lot. Overfilling the transmission with too much ATF can also cause 6T75E transmission overheating, which can lead to ruptured seals, and damaged torque converters, valve bodies, bands, and clutches. An auxiliary transmission cooler can do a lot to help keep the temperature down.

2) Failed wave plates

Another common issue with the GMC Acadia 6T75E transmission is broken wave plates. These metal disks help to lock gears together during a shift. If they break, the metal fragments will get hurled through the gearbox, causing catastrophic damage to other internal components. There isn't a lot that you can do to prevent this problem, but a remanufactured GMC Acadia transmission can ensure that it won't happen again.

3) Bad Shift Solenoid

When a gear change is required, the computer tells a little spring-loaded plunger in the valve body to move and direct pressurized ATF into the appropriate channel. There's one of these solenoids for each gear, and it's activated by sending current through the coil of wire that's wrapped around it. The problem is, that coil of wire can short out, or excessive vibration can shake it loose, causing the solenoid to fail. They aren't terribly expensive to buy, but the labor to replace a GMC Acadia transmission solenoid won't be cheap.

How to Solve Acadia Transmission Problems

Option A: Buy a Used Acadia transmission

The fastest solution to a non-working transmission is to go buy a used GMC Acadia 6T75E transmission from a junkyard. They're relatively affordable, and most used GMC Acadia transmissions will come with a 30-90 day warranty. However, you don't know the condition of the transmission before the vehicle it's in, wound up in the junkyard. So it may develop the exact same problem that you're trying to fix. Plus that warranty only covers the transmission, not the labor charges that you'll have to pay to install the replacement.

Option B: Buy a Rebuilt Acadia transmission

Your next option is to buy a rebuilt GMC Acadia 6T75E transmission. These feature lots of new parts, seals, and they typically come with a 1-2 year warranty. The overall durability and functionality of a rebuilt 6T75E transmission, largely depends on the skill of the mechanic rebuilding it. However, if you go to one of those franchise shops, it'll be hard to judge the experience level of their tech's. And, that warranty may only be useful if you happen to break down near one of their shops.

Option C: Buy a Remanufactured Acadia transmission

Short of buying a whole new vehicle, a remanufactured GMC Acadia 6T75E transmission is your  next best option. Every Street Smart Transmission is thoroughly remanufactured, then dyno tested prior to shipment to ensure proper functionality and quality. It also receives a transferable nationwide 3-Year/Unlimited Mile Warranty that covers both the transmission and labor should something go wrong.

The remanufactured 6T75E transmission comes with a remanufactured valve body, torque converter, and transmission pump. In addition, many components like the bushings, clutch clearances, and pump rotor, are upgraded over the stock specification to avoid problems common to this gearbox. 

The GMC Acadia is a great family vehicle, with a reliable engine, and surprisingly good build quality. So don't take chances with your safety and fix your broken drivetrain once and for all, with a remanufactured 6T75E transmission from Street Smart Transmission. You can give us a call at (866) 812-7560 or use the form below to get price and availability.

► Torque converter support bearing fully inspected to prevent sleeve failure.
► Completely remanufactured pump, including polishing of pump rotor mating surfaces, provides consistent internal pressures and helps eliminate pressure-related issues.
► Remanufactured and tested valve body to improve shifting, lubrication, and performance.
► Transmission Control Module (TCM) tested for proper function of pressure control solenoids, shift solenoids, and pressure switches.
► Clutch clearances set to custom-spec standards for improved shift feel and timing.
► Bushings and machined surfaces polished to a mirror-like OE finish of 15 RA or less.

What You Get With Every Acadia Transmission:

► Fully remanufactured torque converter is tested for leaks, lock-up, concentricity, and balance. Upgrades exceed OE requirements and eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
► All new, bushings installed in key locations to improve internal fluid flow control and fluid pressures.
► Complete system correction and recalibration kit installed to address several OE flaws. Modifications include updates to servos, the PR system, and valve body accumulators.
► Complete road simulation using a dynamometer testing program called C.A.R.S. (Computer Aided Road Simulation). Every transmission is cold and hot tested before shipment.

Fully Dyno Tested
Every transmission shipped has been through a complete road simulation (dyno test). Every transmission is cold AND hot-tested before shipment to ensure quality.
Buy factory direct wholesale and save an average $350 to $1200 vs. buying through shops or dealers. 3 year, unlimited mile, parts and labor, nationwide and transferable warranty. 6 Month Special Financing available through PayPal Credit.
Always free shipping to any commercially zoned address in the continental US*. No up-front core charges.** At Street Smart, we do not charge you hundreds of dollars extra that you have to wait weeks to receive back.
*Residential delivery add $200. We do not ship to AK, HI, PR or International.
**Excluding Dodge Diesel 48RE, 65RFE & 68RFE models.
Your mechanic installs your new transmission and places your old transmission (core) into our reusable container. You let us know when your vehicle is done and we'll send a truck to pick up the core free, within 24 hours.

Buy factory direct and save an average of $350 - $1200 than buying through a dealer or repair shop!

3 Year, Unlimited Miles - Nationwide & Transferable Warranty
Parts & Labor Coverage.

What’s a No Hassle Warranty?

Our commitment to delivering excellent service doesn’t end at the closing of the sale! Should you have any questions or concerns about your Shift Select transmission, our Product Support Team is only a phone call away. So what does a No Hassle Warranty really mean? When your transmission is installed at a licensed repair facility:

• You’re covered for 3 years unlimited mileage on standard application vehicles.
• Your warranty is attached to your VIN and transferable with vehicle ownership.
• You’re covered anywhere (and everywhere) in the continental United States.
• You’re back on the road fast; we send you a replacement transmission as soon as your warranty claim is submitted.
• We pay parts and labor to the shop installing your replacement transmission.

Labor Warranty: Up to $50/hour MItchell book hours for removal and re-installation. Must be initially installed at a licensed auto repair shop* for labor warranty to be valid.

*Licensed auto repair shop: A repair shop whose primary business is automotive repair and provides auto repair service to the general public.

Commercial Application: Vehicles of larger than one ton, transportation for hire (taxis, shuttles, limousine services) delivery service, police and any other emergency vehicles, and/or tow trucks.

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Warehouse Shipping Locations

1-3 Day Transit Time From Contracted National Warehouses

Learn more about Shipping, Warranty, Core Returns, and Ordering from Street Smart

Fill out the form on our website to receive an e-mailed estimate. We send an out-the-door price for a replacement remanufactured transmission shipped free to your repair shop or installer.

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Torque Converters
Fully remanufactured torque converter included. Converters are tested for leaks, lockup and balance. All upgrades exceed OE requirements.

Ordering a Remanufactured Transmission

(866) 812-7560

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Orders before 1PM EST may ship same day (subject to availability).
We accept all major credit cards & PayPal.
PayPal Credit Financing Available.

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How Street Smart Transmission Works 

Commercial Applications: 18 months / 100K miles

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