The G80 is a specialized differential designed by Eaton to work as a low-speed traction aid, offering full lockup during its operation. When in normal conditions, the unit acts as an open differential, letting the rear tires spin independently of each other, with the outside wheel spinning faster during turns.
Is G80 a locker or limited slip?
“The G80 locking axle provides a greater traction advantage than limited-slip differentials in most situations, while its automatic engagement requires no driver involvement, unlike some competitors’ electronic lockers, which require driver activation,” said Jeff Luke, executive chief engineer.
What gear ratio is a G80?
GM RPO Codes – Factory Identification Labels and Interpretation
| RPO Code |
Description |
Ratio |
| G76 |
Positraction Rear |
|
| G80 |
Axle Positraction, Limited Slip
|
|
| G81 |
Positraction Rear Axle |
|
| G82 |
Axle Rear |
4.56 |
What does GM code G80 mean?
Often referred to as the G80 for its order code, the rear axle locks automatically if one wheel starts to spin, enabling both rear wheels to propel the truck. The added traction lets a 2WD pickup to go places traditionally thought of as 4×4 territory, and further enhances the capability of 4×4 pickups.
What is a G80 differential? – Related Questions
How do I know if my Chevy has a G80?
In order to tell if you have a G80 differential, you’ll need to refer to the SPID label, which is an RPO code list sticker located in the glovebox. The Service Parts Identification (SPID) label will tell you plenty of important information about your vehicle, including if it has a G80 differential.
Does a G80 have clutches?
Unlike high-tech electronic lockers, the G80 differential detects wheel slip through some flyweight-type governor. When slip is detected by the mechanism, a self-energized clutch system forces a camp plate ramp against a side gear, compressing a disc pack.
What’s the difference between limited slip and posi traction?
Positraction, or positive-traction rear end, is a brand name for a limited-slip differential (LSD), which helps distribute power to the rear wheels and ensures that they are spinning at the same speed.
How do I identify my GM front differential?
Information about Differentials in GM vehicles can usually be obtained by looking at the RPO or “Regular Production Option” codes contained in the Service Parts Identification tag in the glovebox. Whenever possible, reference the tag numbers when ordering parts for your Differential.
How do I decode a GM RPO code?
The RPO Codes can be found on a placard labeled “Service Parts Identification” in the glove box, on the trunk floor or inside the driver’s door panel. Software to read the QR code is commonly available for any Android, iPhone. For iPhone you can use the builtin Camera app.
Where can I find my GM RPO code?
Where can I find these codes on my vehicle? Most General Motors vehicles have the RPO sticker, also called the Service Parts Identification label, in the truck most often on the spare tire cover. Trucks usually have the RPO sticker in the glove box.
Can you look up RPO codes by VIN?
VIN-specific attributes, including Regular Production Option (RPO) codes, for the vehicle you are repairing can be viewed using the VIN Attributes functionality.
What does GM RPO stand for?
A Regular Production Option (RPO) is a General Motors standard coding for vehicle configuration options and began in 1970.
Which RPO code is for suspension?
RPO Codes Have the Answer
Z55: Autoride automatic load-leveling suspension system, using computer-controlled shocks and struts that adjust to road conditions.
What is GM Premium smooth ride suspension?
Premium Smooth Ride: indicated by the RPO code ZW7. This suspension uses a conventional suspension in the front, but the rear uses a self-contained, self-leveling Nivomat shock in the rear.
At what mileage should suspension be replaced?
That depends. “Driving on rough or unpaved roads, towing a trailer or carrying heavy loads, can shorten their functional life,” says Reina. “With heavy use, you could be looking to replace them at 40,000 or 50,000 miles or sooner. Under normal conditions, 75,000 to 90,000 miles might be reasonable.”
What are the 4 types of suspension system?
Get to know these four spring classes: leaf springs, coil springs, torsion bars, and air springs.
Which car has best suspension in the world?
Best car suspension for bumpy roads
- Mercedes C-Class.
- Land Rover Defender.
- Volkswagen Golf.
- Citroen C3.
- Lexus UX.
- Jaguar XF.
- Tesla Model S.
- Hyundai i10.
What is the most comfortable suspension?
An air suspension is one the most comfortable and load bearing suspensions which is why they are used on most top of the line luxury and sports cars.
Which suspension system gives the better results?
Independent suspension typically offers better ride quality and handling characteristics, due to lower unsprung weight and the ability of each wheel to address the road undisturbed by activities of the other wheel on the vehicle.
What suspension gives the smoothest ride?
The smoothest riding shocks you can get would be ones identical or nearly identical to factory tuning, typically something like the Bilstein B4 series, KYB Excel-G Series, or Monroe OE Spectrum. All of these have the most forgiving valving for road handling and comfort.