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catmastertech, Technician
Category: Heavy Equipment
Satisfied Customers: 2345
Experience:  19 years Cat, 3 years Case
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Cat c12 2002 engine: How to remove the water pump?

Resolved Question:

i need to know how to remove the water pump on a cat c12 2002 engine in a semi. how is it held into the front eng. case?
Submitted: 7 years ago.
Category: Heavy Equipment
Expert:  catmastertech replied 7 years ago.


These two bolts are the only ones connecting through the front cover.


Remove bolts (1) and the washers from tube assembly (2) .

Cut cable strap (3) from tube assembly (2) .

Loosen hose clamps (4) and remove hose (5) .

Remove bolt (8) and the washer.

Remove oil level gauge (7) with the O-ring seal.

Remove bolts (9) and the washers from the alternator bracket.

Remove bolts (10) and the washers.

Remove water pump (6) and the tube assembly. Remove the flange gasket and the O-ring seal.

Remove the tube assembly and O-ring seals from the water pump, if necessary.

Start By:

Remove the alternator. If necessary.

Remove the belt tensioner. If necessary.

Remove the engine oil cooler. If necessary.

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