DIY 180 T Stat install for 3.7/4.7/5.7
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DIY 180 T Stat install for 3.7/4.7/5.7
3.7L/4.7L ENGINE
1 - THERMOSTAT HOUSING
2 - THERMOSTAT LOCATION
3 - THERMOSTAT AND GASKET
4 - TIMING CHAIN COVER
WARNING: Do not loosen the radiator draincock with the cooling system hot and pressurized. Serious burns from the coolant can occur.
Disconnect the negative battery cable.
Drain the cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
Raise and support the vehicle.
Remove the splash shield.
Remove the lower radiator hose clamp and the lower radiator hose at the thermostat housing.
Remove the thermostat housing mounting bolts, thermostat housing and thermostat (Thermostat and Thermostat Housing 3.7L/4.7L).
INSTALL
3.7L/4.7L ENGINE
1 - THERMOSTAT HOUSING
2 - THERMOSTAT LOCATION
3 - THERMOSTAT AND GASKET
4 - TIMING CHAIN COVER
Clean the mating areas of the timing chain cover and the thermostat housing.
Install the thermostat (spring side down) into the recessed machined groove on the timing chain cover.
CAUTION: The housing must be tightened evenly and the thermostat must be centered into the recessed groove in the timimg chain cover. If not, it may result in a cracked housing, damaged timing chain cover threads or coolant leaks.
Position the thermostat housing on the timing chain cover.
Install the housing-to-timing chain cover bolts. Tighten the bolts to 13 N·m (112 in. lbs.).
Install the lower radiator hose on the thermostat housing.
Install the splash shield.
Lower the vehicle.
Fill the cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
Connect negative battery cable.
Start and warm the engine. Check for leaks.
5.7 HEMI
1 - BOLT
2 - THERMOSTAT HOUSING
3 - CLAMP
4 - RADIATOR HOSE
WARNING: Do not loosen the radiator draincock with the cooling system hot and pressurized. Serious burns from the coolant can occur.
1.Disconnect the negative battery cable.
2.Drain the cooling system
3.Remove the radiator hose clamp (3) and radiator hose (4) at the thermostat housing (2).
4.Remove the thermostat housing mounting bolts (1), thermostat housing (2) and thermostat .
INSTALL
1 - BOLT
2 - THERMOSTAT HOUSING
3 - CLAMP
4 - RADIATOR HOSE
Position the thermostat and housing (2) on the front cover.
Install thermostat housing bolts (1). Tighten the bolts (1) to 13 N·m (112 in. lbs.).
Install the radiator hose (4) onto the thermostat housing (2).
Fill the cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
Connect negative battery cable.
Start and warm the engine. Check for leaks.
__________________
1 - THERMOSTAT HOUSING
2 - THERMOSTAT LOCATION
3 - THERMOSTAT AND GASKET
4 - TIMING CHAIN COVER
WARNING: Do not loosen the radiator draincock with the cooling system hot and pressurized. Serious burns from the coolant can occur.
Disconnect the negative battery cable.
Drain the cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
Raise and support the vehicle.
Remove the splash shield.
Remove the lower radiator hose clamp and the lower radiator hose at the thermostat housing.
Remove the thermostat housing mounting bolts, thermostat housing and thermostat (Thermostat and Thermostat Housing 3.7L/4.7L).
INSTALL
3.7L/4.7L ENGINE
1 - THERMOSTAT HOUSING
2 - THERMOSTAT LOCATION
3 - THERMOSTAT AND GASKET
4 - TIMING CHAIN COVER
Clean the mating areas of the timing chain cover and the thermostat housing.
Install the thermostat (spring side down) into the recessed machined groove on the timing chain cover.
CAUTION: The housing must be tightened evenly and the thermostat must be centered into the recessed groove in the timimg chain cover. If not, it may result in a cracked housing, damaged timing chain cover threads or coolant leaks.
Position the thermostat housing on the timing chain cover.
Install the housing-to-timing chain cover bolts. Tighten the bolts to 13 N·m (112 in. lbs.).
Install the lower radiator hose on the thermostat housing.
Install the splash shield.
Lower the vehicle.
Fill the cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
Connect negative battery cable.
Start and warm the engine. Check for leaks.
5.7 HEMI
1 - BOLT
2 - THERMOSTAT HOUSING
3 - CLAMP
4 - RADIATOR HOSE
WARNING: Do not loosen the radiator draincock with the cooling system hot and pressurized. Serious burns from the coolant can occur.
1.Disconnect the negative battery cable.
2.Drain the cooling system
3.Remove the radiator hose clamp (3) and radiator hose (4) at the thermostat housing (2).
4.Remove the thermostat housing mounting bolts (1), thermostat housing (2) and thermostat .
INSTALL
1 - BOLT
2 - THERMOSTAT HOUSING
3 - CLAMP
4 - RADIATOR HOSE
Position the thermostat and housing (2) on the front cover.
Install thermostat housing bolts (1). Tighten the bolts (1) to 13 N·m (112 in. lbs.).
Install the radiator hose (4) onto the thermostat housing (2).
Fill the cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
Connect negative battery cable.
Start and warm the engine. Check for leaks.
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