How to Replace a Thermostat?

Before replacing the thermostat, check the coolant level, drive belt tension, and temperature gauge. Disconnect the cable from the negative battery terminal and drain the cooling system. Remove the thermostat housing cover and tap it with a soft-face hammer if stuck. Remove the thermostat and clean the housing and cover. Install a new rubber gasket and thermostat with the jiggle valve. Install the thermostat housing cover and bolts, and refill the cooling system. Start the engine and check for leaks and proper thermostat operation.

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Engine Coolant Thermostat

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1 Thermostat found

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Dodge Neon Thermostat
Part Number: 5278144AA
- Replaced by: P5278144AA
$11.95 MSRP: $17.25
You Save: $5.30 (31%)

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Fits the following Vehicles:
1997-2005 Dodge Neon | 2 Door Base, 2 Door High Line , 2 Door Sport, 4 Door Base, 4 Door High Line, 4 Door Sport, ACR, Base, ES, R/T, S, SE, SRT-4, SXT | 4 Cyl 2.0L, 4 Cyl 2.4L
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Dodge Neon Thermostat Parts Questions & Answers

Thermostat
5278144AA
Q: How to Replace a Thermostat?
A: Before replacing the thermostat, check the coolant level, drive belt tension, and temperature gauge. Disconnect the cable from the negative battery terminal and drain the cooling system. Remove the thermostat housing cover and tap it with a soft-face hammer if stuck. Remove the thermostat and clean the housing and cover. Install a new rubber gasket and thermostat with the jiggle valve. Install the thermostat housing cover and bolts, and refill the cooling system. Start the engine and check for leaks and proper thermostat operation.

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