Learn how to service cooling system water pump

2. • A bad pump may leak, fail to circulate coolant, or produce a grinding
sound
• Causes:
• rust in the cooling system
• lack of coolant
• overtightened belts

3. Visual Inspection
Pump shaft should not wiggle or leak

4. Visual Inspection
Watch for leakage from bleed holes

5. Removing a
Water Pump
Unbolt brackets and
components
air-conditioning
compressor
power steering pump
alternator
Remove pump
Scrape off old gasket or sealer material
Do not gouge the sealing surfaces

6. Installing a Water
Pump
• Fit pump onto the engine
• Start all bolts by hand
• Torque all fasteners to specifications
• Use sealer where specified
• Install the other components

7. Installing a
Water Pump
A. Gasket held in place by sealer
B. Sealer only

8. Water Pump
• This pump uses an O-ring seal instead of sealer or
gasket

9. Installation
Tightening water pump bolts

10. REFERENCE
• Duffy. E. J., (2004) Modern Automotive Technology (6 e.d.).
Goodheart-Willcox Co.
• Halderman. D. J., (2012) Automotive Technology: Principles, Diagnosis
and Service (4th e.d.). Pearson Education, Inc.,