How to replace a thermostat on a chevy aveo

Written by lisa wampler
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How to replace a thermostat on a chevy aveo
Due to its smaller engine block size, the Aveo is susceptible to engine warping if the proper engine temperatures are not maintained. (radiator humour image by John Sfondilias from Fotolia.com)

The Chevy Aveo is a compact hatchback sedan with a 1.6L engine. This is considered a smaller engine, compared to those typically found mid-sized Chevy SUVs and coupes like the Chevy Camaro. Due to the smaller engine block size, the Aveo can be susceptible to engine warping if proper engine temperatures are not maintained. If the temperature in the Aveo gets too hot, it can cause the engine to fail. The most common point of failure in the cooling system is the thermostat.

Skill level:
Moderately Easy

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Things you need

  • Chevy Aveo thermostat
  • Chevy Aveo thermostat gasket
  • Screwdriver or nut driver
  • Adjustable wrench

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Instructions

  1. 1

    Remove the band clamp that holds the radiator hose onto the thermostat intake cover with a screwdriver or nut driver. Once the band clamp is loosened, push it back onto the hose so it does not get lost. Pull the hose off the thermostat intake cover and push it off to the side.

  2. 2

    Remove the two bolts that hold the thermostat intake cover onto the Chevy Aveo air intake manifold and pull the cover off the engine. Inspect the mating surfaces of the intake manifold and the thermostat intake cover for the thermostat gasket. Remove the gasket from the surface it is stuck to.

  3. 3

    Pull the thermostat out of the intake manifold by pulling up on it. It should pull out easily. If there is build-up in the coolant system you may need to pull up hard on the thermostat to get it to come out of the intake.

  4. 4

    Place a new thermostat gasket onto the Chevy Aveo intake manifold, then place a new thermostat into the intake. Bolt the thermostat intake cover back onto the intake manifold. Place radiator hose back onto the cover and tighten the band clamp back down.

  5. 5

    Run the engine and look for leaks around the area where the radiator hose connects to the thermostat cover and where the two mating surfaces are bolted together. If there are any leaks, tighten the bolts or band clamp as needed.

Tips and warnings

  • If there is build-up in the coolant system, you may want to invest in a coolant system flush to remove any excessive build up inside the engine.

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