4L60E INA 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 | RWD/4WD | 488 | 10,8 | 5 | 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 TC lock-up clutch is the first element to wear out leading to oil contamination and clogging of solenoids with sensors. The TC unit in this transmission operates quite intensively, accelerating a powerful car with the help of the lock-up when the driver strongly pushes the throttle pedal to the floor.The clutch drum and the brake band frequently turn out to be a major issue for Hammers H2 and H3 with engines over 5 liters.
The first overhauls of the 4L60 consist in cleaning of the valve body (VB) and solenoids, repair of the TC unit with replacement of the lock-up unit and some spare parts. If the ATF and filter are replaced often and in due time, then the transmission operates properly for a long time. Solenoids are replaced as a full kit when their operating period comes to an end.
After covering 150-200 thousand kilometers the following units fail due to the transmission ageing (and first of all because of contaminated oil):
- Valve body separate plate
-Separator of the overrunning clutch, Forward (Input) Clutch and Low/Reverse.
Intensively operating rear planetary gear is usually replaced on old cars. The kit of valve body gaskets is one of the most frequently ordered spare parts. The kit of bearings is also ordered for the transmission reassembly. In general, these automatic transmissions are robust and consistent and after a standard overhaul they will serve for a long period of time.