15:18. Hydraulic HECU block



  1. Disconnect brake tubes from the HECU block.
  1. Turn out bolts of fastening of an arm and remove the HECU block together with an arm.
  1. Do not disassemble the hydraulic HECU block.
  2. Transportation of the HECU block needs to be carried out in vertical position with the block openings closed by suitable caps as brake fluid should not merge from the block.
  1. Disconnect the socket from the HECU block.



  1. Installation is carried out to the sequences, the return to removal.
  2. Tighten bolts of fastening of the modulator and a nut of fastening of brake tubes the required inhaling moments.

Inhaling moments:

Bolt of fastening of the HECU block: 8–10 N • m
Connecting nuts of fastening of brake tubes: 13–17 N • m