Coolant channel for a motor vehicle comprises a coolant pump and a drain plug arranged within a housing wall of the coolant pump

摘要

Coolant channel (2) for a motor vehicle comprises a coolant pump (3) and at least one drain plug (1) in the region of the coolant channel. The drain plug is arranged at least within a housing wall (3.2) of the coolant pump. Preferred Features: The drain plug has an at least partly conical drain plug head (1.3) and/or a chamfer (1.4) on the drain plug head. The housing wall or the engine housing has a first stop surface (3.1) arranged on the inner side of the housing wall/engine housing and the drain plug has a second stop surface (1.1). The first stop surface and/or second stop surface are sealing surfaces or have a seal (4).