Visually Inspecting Coolant Pump

Inspect Weep Hole

1. 
   RG7061-UN-26NOV97

   Coolant Pump Weep Hole

   A - Weep Hole

   Inspect weep hole (A) for oil or coolant leakage.
   • Oil leakage indicates a damaged rear seal.
   • Coolant leakage indicates a damaged front seal.
   
   

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2. Replace complete coolant pump assembly if leakage is detected: individual repair parts are not available.

Inspect Weep Hole 6090HFG86

1. 
   RG17151-UN-26MAY09

   Coolant Pump Weep Hole

   A - Weep Hole

   Inspect weep hole (A) for oil or coolant leakage.
   • Oil leakage indicates a damaged rear seal.
   • Coolant leakage indicates a damaged front seal.
   
   

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2. Replace complete coolant pump assembly if leakage is detected: individual repair parts are not available.

Inspect for Impeller Contact with Cover

1. Remove radiator-to-coolant pump hose from coolant pump inlet elbow.

2. Using a flashlight, inspect ID of coolant pump cover for internal impeller contact.

   • Impeller contact with cover usually indicates that impeller has moved on shaft or there is a damaged bearing.
   
   

   Replace coolant pump assembly and cover as necessary if impeller contact is detected.