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jazzmaster, ASE Certified Tech
Category: Car
Satisfied Customers: 2951
Experience:  ase certified--32 yrs experience
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How do I change the thermostat on a 03 Mazda 6 4cyl

Resolved Question:

How do I change the thermostat on a 03 Mazda 6 4cyl?
Submitted: 7 years ago.
Category: Car
Expert:  jazzmaster replied 7 years ago.


  • Disconnect the negative battery cable.
  • Drain the engine coolant.
  • Remove the drive belt.
  • Remove the P/S oil pump with hoses and pipe still connected. Position the P/S oil pump out of the way.
  • Remove in the order indicated in the table.
  • Install in the reverse order of removal.
  • Add the engine coolant.
  • Inspect the engine coolant leakage
  • use a universal joint or socket ,they didnt make it easy but with the ps out of the way it is easier
  • graphicgraphic
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