HomeRepair guides37. Install the bypass connection gaskets. Tighten the

Cummins — 37. Install the bypass connection gaskets. Tighten the

For these Cummins models: GTA38, GTA38, GTA50, GTA50.

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Procedure

  1. 40. Close the drain-cock on the water pump and cylinder
  2. block. There are two drain-cocks on each side of the
  3. engine.
  4. 41. Replace the coolant filters.
  5. 42, Connect the lower radiator or heat exchanger hose
  6. to the water pump inlet.

Source: manual:Cummins Gas GTA38-50 Manual 1999 (2).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.