G3300 Engines Caterpillar


Water Pump - Inspect

Information for equipment:


COOLING SYSTEM
PUMP GP-WATER

Single Lip Hydrodynamic Seal Used In Water Pumps 1987/10/01
Significant Improvement For Pump Impellers (Water Pumps){1364} 1997/11/14
History Of Pump Impeller (Water Pump) Changes{1364} 1997/11/14
New Basic Water Pump Groups Used In Engine Water Pump Groups {1361} 1998/07/01
New Basic Water Pump Groups Used In Engine Water Pump Groups {1361} 1998/09/01
New Remanufactured Water Pump Groups Available{1361} 1998/12/01
New Water Pump Group (Basic) Includes Many Improvements {1361} 1999/10/01
Replacement Seal Group For Water Pump Impeller Now Has All The Seal Parts Plus An Installation Tool 1978/03/01
New Water Pump Gives More Pressure 1978/08/30
New Water Pump Group Includes Many Improvements {1361} 2000/04/01
Cat<SUP>&reg;</SUP> Reman Announces Additions to Sea Water Pump Portfolios {1371} 2015/09/17

Installation of Water Pump Seal Group{1361} Installation of Water Pump Seal Group{1361}
Installing 3S6610 Water Pump Cage{1361} Installing 3S6610 Water Pump Cage{1361}

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller. The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller.

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller. The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller.

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller. The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller.

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller. The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller.

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller. The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller.

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller. The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller.

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller. The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller.

Remanufacturing Water Pumps For The 3300 Family Of Engines Remanufacturing Water Pumps For The 3300 Family Of Engines

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller. The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller.

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller. The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller.

APPEARANCE CHANGE ON REMAN SHORT BLOCKS APPEARANCE CHANGE ON REMAN SHORT BLOCKS

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller. The Plastic Impeller Needs To Be Removed From Certain Water Pumps In Parts Stock And Replaced With A Cast Iron Impeller.

New Water Pump Oil Seal Prevents Leaks{1361} 1983/10/10
Single Lip Hydrodynamic Seal Used In Water Pumps{1300,1361} 1987/09/21
Replacement Seal Group For Water Pump Impeller Now Has All The Seal Parts Plus An Installation Tool{1361,0622} 1978/02/13
New Water Pump Gives More Pressure{1361} 1978/09/04


Failure of a water pump might cause severe overheating. Overheating could result in the following:

  • Cracks in the cylinder head

  • Damage to the oil coolers

  • Piston seizure

  • Other potential engine damage

Visually inspect the water pump for leaks. The engine may be equipped with more than one water pump.

If a continuous drip is found coming from the water pump weep hole when the engine is off, replace the seals or replace the pump. Also, if a constant stream is observed when the engine is running, replace the seals or replace the pump.

An intermittent drip coming from the weep hole is an acceptable amount of leakage. Intermittent dripping can start and stop throughout the life of the pump, and is a normal part of the operation of the pump.

Evidence of dried coolant around the weep hole can be an indication of intermittent dripping that is part of the normal operation of the pump. Frequent observation is recommended to determine the type of water pump leak.

For more information on cooling system troubleshooting, refer to the applicable Troubleshooting manual.

For the replacement of the water pump or the water pump seals, refer to the applicable Disassembly and Assembly manual.

Consult with your Cat dealer for more information on water pump leaks or cooling system issues.

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