Working on A 6T40 Transmission? You Will Want To Read This!

1. Atsg 4t40e Manual

Posted by on Wednesday, June 5th, 2013 The is a six speed automatic transmission made by General Motors. It is designed to be used in transversely mounted applications and is part of a family of transmissions that also includes the. This transmission was first put into production in 2008 and remains in production today. Malibu, Epica, Tosca, Aveo, Sonic and Equinox. It was also used in other GM brands Saturn, Buick and Holden.

In addition, it was used in. The 6T40 transmission is used mainly behind smaller four cylinder engines and is considered a lightweight design. The fact that it was used in so many different brands of automobiles means that it is likely that one will eventually show up in your shop for repairs. Let’s take a look at a couple of common problems associated with this transmission. Source: autotrends.org Symptom:. Possible cause: One of the issues include taking higher rpms, many times over 3000 rpms, to shift between gears 1 st and 2 nd gear, and 2 nd and 3 rd gear.

Another one involves hard, jerky shifts. The factory recommends that you re-program the computer up to three times in a row to get the problem to stop. Then they recommend having you let the customer drive it for a couple of weeks to see if the problems go away.

You might also want to change the transmission fluid. There are reports of this helping to cure the symptoms. Symptom: Shifting problems between gears.

Possible cause: This transmission is very advanced and full of electronics. This includes that are designed to electronically shift the transmission. The solenoids contain a coil of wire that when energized, creates a magnetic field. 2015 harley davidson flhtk service manual. This magnetic field then moves a plunger that is attached to a valve in the valve body. When the solenoids fails, it can usually be traced back to the coil of wire that makes up the electrical magnet. The wire has a tendency to either completely break or internally short out.

Many times, this is caused by excessive heat in the transmission. Source: google.com If you find your customer’s vehicle is past the factory warranty period and not easily or economically fixed, you should strongly consider replacing it with a re-manufactured transmission over one that was simply rebuilt. A is going to include alterations and upgrades designed to fix common failure problems and extend the life of the transmission. A rebuilt transmission will not. Re-manufactured transmissions include a!

Usually three years compared to an average of only 90 days for a rebuilt transmission. On top of that, the re-manufactured transmission company will, in the event of a rare failure within the three year warranty period, cover your cost to R&R your customer’s transmissions.

You surely will not receive that benefit from a company that solely rebuilds transmissions.

Replacement 6T40 / 6T45 Transmission Prices: Transmission Street Smart Transmission Autozone Advance Auto Parts 6T40 / 6T45 6T40 / 6T45 Vehicle Compatibility – Makes & Models 2008 Chevrolet Malibu 2009 Saturn Aura (4-cylinder) 2010 Chevrolet Equinox 2010-2016 GMC Terrain 2010 Buick Rega 2011 Chevrolet Aveo 2012 Buick LaCrosse 2012 Chevrolet Sonic 2013 Buick Encore 2013 Chevy Captiva Sport 2010 Cadillac SRX 2010 Buick LaCrosse (LF1, LLT V6 Option) 2012 Chevrolet Impala 2013 Cadillac XTS The GM 6T40 / 6T45 transmission first saw production in 2008 models. The 6T40 is a six speed automatic transmissions produced by General Motors.

The 6T40 (also referred to as GF6) first was installed in the 2008 Chevrolet Malibu, available with the 2.4L LE5 Ecotec engine making 164 horsepower (122 kW), adn is now installed in the Cruze and Buick LaCrosse. There is no band in the 6T40–it is completely clutch to clutch shifting, eliminating the “band” used on other designs.

The 6T40 is an “on-axis” design–Ford also produces a similar variant called the 6F35. Common Problems with the 6T40 / 6T45 Common problems with the 6T40 / 6T45 transmission include erratic shifting behavior, slipping between the gears, hard shifts, delayed shifts, and loss of forward and/or reverse gears.

Another common problem 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. Updates to Remanufactured 6T40 / 6T45 Transmissions. 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. 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. How to Buy a Remanufactured 6T40 / 6T45 Transmission 1) Buying Locally When you go to your local repair shop, they’ll order a remanufactured 6T40 / 6T45 transmission, then mark up the price.

So at the end of the day, you’ll be paying 15% to 30% more than the actual cost of the unit. 2) Buying Online Buying a reman transmission through a company like will save you a considerable amount of money because you pay the wholesale price (avoiding a repair shop’s 15% to 30% markup), they’ll ship the unit to the shop of your choice free of charge, and returning your old transmission is free as well. Then all you have to pay for is the labor to install the unit (usually $400 to $800), and you’re on your way. How Does it Work? To order a remanufactured 6T40 / 6T45 transmission from a company like, all you need to do is provide your vehicle’s VIN number, the mileage, and the address of the repair shop that you want it shipped to. Financing Replacing a transmission can be expensive, so Street Smart Transmission offers financing through PayPal Credit. Depending on your credit, you’ll be able to order a new transmission, get back on the road, then pay for it over time.

You may have to pay labor charges for the installation up front, but you won’t have to shell out for the transmission all at once. Shipping Charge/Location When it comes to shipping, a transmission is quite heavy. So you’re going to pay quite a bit of money, unless the reman transmission company offers free shipping. Street Smart offers free shipping to a business address, which is usually the repair shop that you’ve chosen to install the unit. What is a Core Charge (Core Deposit)?

Every remanufactured transmission originally came from somebody else’s car. Therefore, they need your broken transmission in order to refurbish it for another customer. Your old/damaged transmission is called a “core”, and many companies will collect a core charge (usually $500 to $1500), which will be refunded once they receive your old transmission.

Atsg 4t40e Manual

(Street Smart does not charge an up-front core charge.) Make sure to ask any company for their core return policy, so you’ll know what to expect. Our Recommendation We recommend. We have found Street Smart to be of the highest quality. Their transmissions carry a 3 year / unlimited miles warranty that covers both parts and labor. Their warranty is nationwide and attached to the VIN so it is transferable with ownership if you decide to sell the vehicle. It also covers both parts and labor for the installation of the replacement transmission.