How To Change Out A Thermostat In 2006 Chevy Trailblazer
This commodity comes about past the seemingly mass confusion of where the thermostat is located on 2002 and up Chevrolet Trailblazer, GMC Envoy and similar body styles with the 4.2 liter inline vi cylinder engine . I've seen many times, in person and online, people claiming the thermostat is on the right (passenger) side of the engine, within a minor housing that looks very like to the V6 engines housing. This is Non the case at all, and people that do not know what they are talking almost can be misleading the regular guy trying to fix his vehicle.
Chevy Blazer
On before model vehicles, and even the S-series Blazer that was still out when the new trunk style Trailblazer came out, they had a V6 engine with the thermostat located right in the front, on top of the intake, just about dead centre of the engine. When the inline half dozen engine came out in the 2002 and newer Trailblazer, the thermostat was re-located to the left (drivers) side of the engine, backside and a chip below of the alternator. Run into pics below. The housing and hose that is now on the right side of the engine is just an inlet housing for the coolant . There is NO thermostat within THAT housing on the Chevy Trailblazer.
Trailblazer Thermostat Pictures
As y'all can see in the provided pictures beneath, the thermostat on the Trailblazer 4.2L direct six cylinder engine is an integral part of the outlet housing beneath and behind the alternator, and is NOT serviced separately. You CANNOT just go to the parts store and get a thermostat in a box. This unit of measurement needs to be replaced equally a whole. The repair can exist fabricated through accessing the bolts to the housing through the left front wheel well opening, or if you prefer, the belt, and alternator can exist removed, but that is a flake more work.
I actually hope this clears up any confusion you may accept heard elsewhere. When it comes to a situation like this, you lot really need the correct information from someone who does this for a living!
Practise i need to purge cooling organization on 2004 GMC Envoy after draining cooling system?
ProTech:
After refilling the radiator, let the truck run for a while with the cap off. It should drain out any air easily that mode. Yous may have to pinnacle off once the thermostat opens, but probably not that much. In one case it's hot, and circulating, put the radiator cap back on and you'll be good to go. This also works on the Chevy Trailblazer.
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Source: https://www.cartruckinfo.com/mechanic/trailblazer-thermostat-location/
Posted by: francisstims1950.blogspot.com
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