2002 Chevy Trailblazer Thermostat Engine Cooling Problem 2002 The bolts to the thermostat were easy to take out through the fender, but the alternator had to come out to get the hose off. to do that you have to remove 3 5mm bolts that are 6 7" long. but on the ext the transmission cooling line and air conditioning lines are in the way and the bottom bolt is a bitch to remove and re install. May 15, 2023 by jason. the thermostat in your chevy trailblazer’s engine plays a crucial role in regulating its temperature. a malfunctioning thermostat may lead to various issues and should be dealt with immediately. some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more.
Thermostat Replacement How Do I Replace The Thermostat A. ashleysierra96 discussion starter. 1 post · joined 2024. #1 · 15m ago. hey, i have a 2002 ext with ~165k miles that has been giving me trouble. back in april, i was doing a drive through the great smoky mountains national park and it stuttered a couple times while i was driving. just a quick bump bump bump and then didn't really do much. If the hose is hot, you can conclude the thermostat is stuck open or missing. replace the thermostat. 10. restart the engine and continue monitoring the coolant temp on your scan tool. 11. turn the engine off when the coolant temperature reaches 200° fahrenheit (93° c) on your scan tool. Regular maintenance, such as cleaning and flushing the radiator to remove accumulated debris and deposits, is essential to ensure the radiator can effectively cool the coolant and prevent engine overheating. 4. clogged radiator. a blocked radiator can also contribute to engine overheating in trailblazer. Common problems causing the code p0128 in different cars: in many gm cars and trucks (chevrolet trailblazer, silverado, hhr and other models) the code p0128 is often caused by a sticking thermostat. in some gm cars when the code p0128 is set, the temperature gauge stops working and the radiator fans run constantly. replacing the thermostat.
Thermostat Replacement How Do I Replace The Thermostat Regular maintenance, such as cleaning and flushing the radiator to remove accumulated debris and deposits, is essential to ensure the radiator can effectively cool the coolant and prevent engine overheating. 4. clogged radiator. a blocked radiator can also contribute to engine overheating in trailblazer. Common problems causing the code p0128 in different cars: in many gm cars and trucks (chevrolet trailblazer, silverado, hhr and other models) the code p0128 is often caused by a sticking thermostat. in some gm cars when the code p0128 is set, the temperature gauge stops working and the radiator fans run constantly. replacing the thermostat. Replaced thermostat & tested old one to be positive it was stuck shut. found old thermostat to be stuck shut. vehicle still wants to run @ 240 to 250 degrees. have good flow through the radiator & everything looks to be in good working order. there is no check engine light. will replace radiator cap because of build up on the inside of the valve. Gm genuine 1511006 thermostat housing info thermostat, seal, to water pump; includes thermostat, housing, seals, valve,retainer and pipes 12620112, 1510572, 12t86e.
Engine Coolant Temperature 2002 Chevrolet Trailblazer Chevy Replaced thermostat & tested old one to be positive it was stuck shut. found old thermostat to be stuck shut. vehicle still wants to run @ 240 to 250 degrees. have good flow through the radiator & everything looks to be in good working order. there is no check engine light. will replace radiator cap because of build up on the inside of the valve. Gm genuine 1511006 thermostat housing info thermostat, seal, to water pump; includes thermostat, housing, seals, valve,retainer and pipes 12620112, 1510572, 12t86e.
How To Test The Thermostat 2002 2009 4 2l Chevrolet Trailblazer Gmc
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