The Swedish Volvo S80 has two generations, outfitted with the 4T65E transmission and Aisin AW55-50SN (AF3).
But regrettably, some users face trouble and ask,
“S80 transmission – What does it come off of? Basically, the S80 transmission gear ratio is used in the majority of cases and is installed on the GSR.
However, the Volvo S80 can be triggered by problems with the torque converter, valve body, responsiveness, grinding, whining, lack of fluid, slipping of gears, and a few other things.
This article will try to share the troubleshooting part below. So, whether it is automatic or manual, make sure you catch the issue and resolve it as soon as possible, or your super-duper car will be dead.
What is the Purpose of the S80 Gearbox?
The transmission principally transfers energy from the engine to the wheels for the desired speed. S80 is typically found in USDM teg GS, LS, RS, JDMITR, and CTR. However, they come in hydro or cable. Among all, the S80 GSR transmission is the most typical.
Remember, in terms of gears or ratios, the S80, and Y80 transmissions are pretty much identical and both use the 4.400 final drive. Besides that, all Y21, Y80, and S80 are exchanged on a B series motor without the necessity for any extra parts.
Issues About S80 Transmission – What Does It Come Off Of?
Undoubtedly, the S80 provides the best performance, but every transmission will fail at some point. Your S80 gearbox has trouble ensured by some indications.
S80 transmission disabled: possible causes
Almost all the users of the Volvo S80 have faced these common issues. So, we decided to highlight all the problems to help you detect the ones you face.
- The car isn’t responding
- Low fluid level or leaky fluid
- Burned smell
- Transmission noise while in neutral mode
- Humming, clunking, or whining
- Shaking or grinding
- Gear troubles
- Torque converter difficulties
- Valve Body problem
- Clutch dragging
- Slipping Gears
- Error codes or the Check Engine Light
- No Backward
Volume And Grade Of Volvo S80 Transmission Fluid
Let’s have a look at the manual plus automatic gearbox chart of fluid level.
| Manual Transmission | Volume (liters) | Recommended Transmission Fluid |
| MMT6 | Around 1.7 | BOT 350M3 |
| M66 | Around 1.9 and 1.45 | x |
| Automatic Transmission | Volume (liters) | Recommended Transmission Fluid |
| MPS6 | Around 7.3 | BOT 341 |
| TF-80SC | Around 7.0 | AW1 |
| TF-80SD | Around 7.0 | AW1 |
| TG-81SC | Around 6.6 or 7.5 | AW1 |
Common Facts About Volvo S80 Transmission Problems
The main problem with Volvo vehicles is transmission failure. Correspondingly, issues with multiple control systems, leakage from the AWD differential housing, and prolonged delays between gear shifts as well as hard upshifting and downshifting are the major facts among all.
Likewise, the Volvo S80 transmission typically lasts between 130,000 and 180,000 kilometers. Therefore, maintaining your vehicle properly is a tough task. Hence, you should avoid driving until the malfunctioning transmission has been fixed because it could cause further harm to your vehicle.
How to Identify S80 Transmission Issues
You’ll probably need the appropriate tools and some knowledge of the transmission system. Detecting the problem requires a connection to a computer to see whether diagnostic trouble codes (DTCs) have been stored.
A professional mechanic or transmission repair center can do this job effortlessly. However, the problems relevant to DTC codes are described below.
Table of DTC Codes and Indications
So, whenever you face a transmission failure, the S80 gearbox might be encountering some issues that will be assured by DTC codes and signals. Let’s have a look at the codes and signals to detect your troubles and troubleshoot them.
| Code | Signs |
| P0766 | Shift solenoid D failure |
| P2703 | Friction Element D Failed |
| P0720 | Input or output speed sensor Problem |
| P0730 | Incorrect Gear Ratio |
| P0657 | Voltage Issue in Circuit ‘A’ |
| P0700 | Transmission control system malfunction or a pointed DTC for a TCM issue |
| P0715 | Error code for the input/turbine speed sensor |
| P0717 | Input or Turbine Speed Sensor No Signal |
| P0791 | “A” Circuit for the Intermediate Shaft Speed Sensor |
| P0793 | Circuit No Signal (Intermediate Shaft Speed Sensor) |
How To Fix The S80 Transmission: 3 Simple Steps
Your 2001 S80 could have 75,000 original miles on it, or it could be a 2000 S80 T6 Twin Turbo with 67,000 miles. But all of a sudden, the transmission broke down. However, for replacement or repair, we have some processes to follow.
Step 1. An S80 Volvo transmission that has been remanufactured, rebuilt, or used should always be purchased from the automobile shop.
Step 2. Now, raise the truck from the ground in order to access all of the components that require unbolting.
Step 3. After that, the car’s PCM will need to be reprogrammed or reflashed with the most recent GM subscription in order to accept the new transmission.
Final Words
Having a transmission like the S80 is great because of its excellent efficiency. But when you have trouble, make sure you won’t have to say, “S80 transmission – What does it come off of?”
As we covered all the common facts that we usually encounter as an S80 trans user, you won’t have to worry in the future. Thus, any confusion regarding the issue can be resolved by following the code and signal parts. Moreover, for any trouble you face, you have the solution above.
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