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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Cooling System) >> Engine >> Pump, Water >> Diagnosis And Testing >> Water Pump >> Inspecting For Inlet Restrictions

Inspecting For Inlet Restrictions

WARNING: This page is about a different variant/trim than selected.

Inadequate heater performance may be caused by a metal casting restriction in the heater hose inlet.

DO NOT WASTE reusable coolant. If solution is clean, drain the coolant into a clean container for reuse.

WARNING:

Do not loosen the radiator draincock with the system hot and under pressure. Serious burns from the coolant can occur.

  1. Drain sufficient coolant from the radiator to decrease the level below the heater hose inlet.
  2. Remove the heater hose.
  3. Inspect the inlet for metal casting flash or other restrictions.