4T65E Transtec Transmission parts, repair guidelines, problems, manuals
Transmission general data
| Number of gears | Transmission Type | Drive | Torque (Nm) | ATF (full capacity) L | ATF (change) L | ATF type |
|---|---|---|---|---|---|---|
| 4 | AT | FWD/AWD | 380 | 12,7 | 7 | Dexron VI |
What are you looking for?
Overhaul Kit | Friction Kit | Friction | Steel Plate | Steel Kit | Band | Solenoid Kit | Solenoid EPC | Solenoid TCC | Pump | Shaft | Drum | Valve body | Torque converter | Hub | Piston | Piston Kit | Planetary Gear | Filter | Gasket | Bushing | Seal | Bearing | Pressure Plate | Stator | Differential | Retainer | Inhibitor Switch | Instruction manual | TOOLS & ACCESORIES | Sensor
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Technical issues and repair guidelines
The torque converter (TC) of 4T65E commonly causes a lot of problems during repair procedures. Bearings is a soft spot in this transmission unit. After covering 200 thousand kilometers bearings may get damaged at any moment. The major repair of this gearbox after 150-170 thousand kilometers requires replacement of all bearings.
Issues with the differential bearing may cause the most expensive difficulties (namely, damage of the sun gear differential together with differential planet gears). Then the oil flow with metal pieces may damage the valve body (VB).The main soft spots of the 4T65E frictions are two friction packages, namely, 3rd Clutch with one-sided frictions and 2nd Clutch.
In terms of design, the VB unit of the 4T60E has a lot of differences in comparison with the solution of the 4T60E. This gearbox is also sensitive to contaminated and overheated ATF as well as damaged differential.In electrical components, solenoids have quite a short service lifespan (it is advisable to check the operability of solenoids when the mileage exceeds 150 thousand kilometers).In case of an old car overhaul with mileages strongly beyond 200 thousand kilometers, it is required to replace worn-out bushings which are commonly ordered in a complete kit.
This gearbox is reliable and not complicated. After a major repair it has a substantial resource, if drivers monitor the ATF cleanness and not overload the transmission by maximum torques.Problems mainly occur in the XC90 using the differential in its design. Volvo cars with this gearbox are not intended for driving off the road as well as on muddy roads.