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Ron Z.
Ron Z., - Chevy Tech -
Category: Chevy
Satisfied Customers: 18226
Experience:  18+yrs experience. State Inspector and Chevy Diagnostics
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Change a thermostat in a chevy venture 2003 van with a v-6 engine.

Resolved Question:

How to change a thermostat in a chevy venture 2003 van with a v-6 engine.
Submitted: 7 years ago.
Category: Chevy
Expert:  Ron Z. replied 7 years ago.

 

  • Remove the throttle body air inlet duct.
  • Drain the engine coolant from the cooling system.
  • Remove the inlet radiator hose from the engine.
  • Remove the thermostat bypass pipe.graphic
  • Remove the exhaust crossover pipe heat shield bolts.

  • Remove the exhaust crossover pipe heat shield.graphic
  • Remove the exhaust crossover pipe nuts.

  • Remove the exhaust crossover pipe.
  • Remove the radiator hose from the thermostat housing. graphic
  • Remove the thermostat housing bolts and clean any sealer from the bolt threads.graphic
  • Remove the thermostat housing and gasket.
  • Remove the thermostat.

  • Clean the mating surfaces.
Ron Z. and 2 other Chevy Specialists are ready to help you
Customer: replied 7 years ago.
That is about how I figured it needed to be done, but Iwas hoping for an easier way. I'm used to working on Ford PU so this motors a whole new world. Thank you for your time.
Expert:  Ron Z. replied 7 years ago.

 

Sorry. Thats actually the best way. The 3.4L was GM's worst design ever. It looks like alot, but it's really not that bad.

 

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