How to replace the thermostat on a 3.4L engine on Chevrolet Monte Carlo?

To replace the Thermostat on a 3.4l engine, the air cleaner intake duct will be removed and cooling system will be drained while partially. Again, with the hose clamp pliers (J 38185), reposition the hose clamp from the water outlet housing, after that removed the radiator inlet hose from the water outlet housing. Next, unscrew the exhaust crossover pipe and the water outlet housing bolts, and then remove the water outlet housing and gasket. Remove the Thermostat, then clean the water outlet mating surfaces. For installation, installation of the Thermostat is the first step, followed by the installation of the water outlet gasket and house. Install the bolts for water outlet housing and tighten to 25 nm (18 ft. Lbs.), reinstall the crossover pipe for exhaust and the radiator inlet hose to the water outlet housing. Use hose clamp pliers (J 38185) once more to move and secure the hose clamp on the water outlet housing the last part will be reinstallation of the air cleaner intake duct and filling the cooling system.

OEM Chevrolet Monte Carlo Thermostat

Engine Coolant Thermostat

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Chevrolet Monte Carlo Thermostat Unit
Part Number: 24506986
$17.76 MSRP: $33.36
You Save: $15.60 (47%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature; Thermostat
- Replaces: 03037747, 10207375, 3037747, 24500253
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998 Chevrolet Monte Carlo | Z34 | 6 Cyl 3.8 L GAS
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Chevrolet Monte Carlo Thermostat Unit
Part Number: 24505924
$23.98 MSRP: $47.60
You Save: $23.62 (50%)
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Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant (W/Gasket); Thermostat; Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2005 Chevrolet Monte Carlo | Indianapolis 500 Pace Car, LS, LT, SS, SS 35th Anniversary Edition, SS Dale Earnhardt Signature Edition, SS High Sport, SS Pace Car, Z34 | 6 Cyl 3.8 L GAS
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Chevrolet Monte Carlo Thermostat
Part Number: 24507563
$13.11 MSRP: $39.94
You Save: $26.83 (68%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaced by: 19435095
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2005 Chevrolet Monte Carlo | LS, LS Competition, LS Sport, Z34 | 6 Cyl 3.1 L GAS, 6 Cyl 3.4 L GAS
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Chevrolet Monte Carlo Thermostat
Part Number: 12591881
$45.62 MSRP: $85.67
You Save: $40.05 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant; Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Chevrolet Monte Carlo | LS, LT, LTZ | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS
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Chevrolet Monte Carlo Thermostat Unit
Part Number: 12600171
$22.45 MSRP: $42.18
You Save: $19.73 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature; Thermostat
- Replaces: 12581595
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Chevrolet Monte Carlo | SS | 8 Cyl 5.3 L GAS
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Chevrolet Monte Carlo Thermostat
Part Number: 3041390
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1988 Chevrolet Monte Carlo | Base, LS, SS | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
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Chevrolet Monte Carlo Thermostat
Part Number: 24504169
Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant; Thermostat, Engine Coolant Temperature
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1997 Chevrolet Monte Carlo | Z34 | 6 Cyl 3.4 L GAS

Chevrolet Monte Carlo Thermostat

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Chevrolet Monte Carlo Thermostat Parts Questions & Experts Answers

Thermostat
24507563
Q: How to replace the thermostat on a 3.4L engine on Chevrolet Monte Carlo?
A: To replace the Thermostat on a 3.4l engine, the air cleaner intake duct will be removed and cooling system will be drained while partially. Again, with the hose clamp pliers (J 38185), reposition the hose clamp from the water outlet housing, after that removed the radiator inlet hose from the water outlet housing. Next, unscrew the exhaust crossover pipe and the water outlet housing bolts, and then remove the water outlet housing and gasket. Remove the Thermostat, then clean the water outlet mating surfaces. For installation, installation of the Thermostat is the first step, followed by the installation of the water outlet gasket and house. Install the bolts for water outlet housing and tighten to 25 nm (18 ft. Lbs.), reinstall the crossover pipe for exhaust and the radiator inlet hose to the water outlet housing. Use hose clamp pliers (J 38185) once more to move and secure the hose clamp on the water outlet housing the last part will be reinstallation of the air cleaner intake duct and filling the cooling system.