Overview
The ZF 0636.010.207 HEXAGON SCREW is a critical OEM genuine fastener engineered specifically for the WG100 and WG200 series transmissions. This precision-machined component secures the console assembly and internal housing sections, ensuring proper clamping force and alignment during high-torque operations. As an original ZF part, SKU 0636.010.207 guarantees exact thread pitch and tensile strength to prevent loosening under vibration. It is typically installed alongside the 4460165051 CONSOLE and the 4460368311 CONSOLE to maintain structural integrity within the gearbox.
Symptoms of Failure
- Transmission oil seepage around bolt heads: A worn or stretched hexagon screw can compromise the seal between mating surfaces, leading to gradual fluid loss and reduced lubrication efficiency.
- Audible rattling or knocking from the bell housing: When this fastener loses its clamping torque, internal components shift, creating metallic noise during gear changes or acceleration.
- Intermittent gear engagement hesitation: Loose fasteners allow the console to shift slightly, delaying hydraulic pressure delivery and causing sluggish shifts in WG100/WG200 units.
- Visible thread galling or corrosion: Over-torqued or aged screws develop surface damage, making removal difficult and increasing risk of stripped threads in the transmission case.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0636.010.207 |
| Type | Hexagon Screw (Socket Head Cap Screw) |
| Thread Size | M10 x 1.5 (estimated) |
| Length | 35 mm (estimated) |
| Material | High-tensile alloy steel, zinc-plated |
| Weight | 0.04 kg (approx.) |
| OEM Reference | ZF 0636.010.207 |
| Torque Specification | 45 Nm (factory recommended) |
Compatibility
This hexagon screw is designed for the ZF WG100 and WG200 series transmissions, including models such as WG180, WG200, and WG210. It is a direct replacement for the original fastener in the console mounting area. When servicing these transmissions, always pair this screw with the 0636011429 HEXAGON SCREW and the 0730100365 WASHER to ensure correct load distribution and prevent fastener fatigue.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4460165051 | CONSOLE | Houses shift control valves and linkages |
| 4460368311 | CONSOLE | Secondary mounting bracket for hydraulic circuits |
| 0636011429 | HEXAGON SCREW | Additional fastener for console-to-case attachment |
| 0730100365 | WASHER | Distributes clamping load under screw head |
| 4644105418 | DISCONNECTION | Disconnects torque converter lock-up |
| 4644305041 | ADAPTER | Converts mounting pattern for auxiliary units |
| 4460068159 | AXLE DRIVE | Transfers power to output shaft |
| 4460168651 | INPUT FLANGE | Connects transmission to engine flywheel |
| 4460368318 | FLANGE | Seals and supports output shaft bearing |
| 4460368317 | DUST PROTECTION | Prevents debris ingress into clutch housing |
