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You are watching: 2005 dodge ram 1500 4.7 thermostat location

This web page is taken directly from our digital online hand-operated 30042 for the 1994-2008 Dodge lamb 1500, 2500, and 3500 pickup trucks, 2WD or 4WD v gasoline or diesel engines. The thermostat is vital to keep the truck running properly, not overheating or running too cool. Over there is no collection interval as soon as you must replace the thermostat, yet if you are draining the coolant for an additional reason, or instead of radiator hoses, girlfriend should take into consideration the thermostat together well. 60,000 miles or 5 years is a an excellent guideline.


Engine Thermostat Replacement


This video is specifically for the Cummins Diesel engine, the petrol V6, V8, and V10 engine are comparable

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See more specific instructions listed below for all petrol engines.

Warning: Do not eliminate the radiator lid or expansion tank cap, drain the coolant or replace the thermostat till the engine has actually cooled completely. 

 


Disconnect the cable(s) from the an adverse battery terminal(s) - Diesel engines have actually two battery - and set it next to avoid accidental reconnection.

Drain the cooling mechanism via the petcosk or by remove the reduced radiator hose. If the coolant is relatively brand-new or in an excellent condition, save it and also reuse it.

3.7L V6 and also 4.7L V8 engines

Raise the vehicle and support that securely on jack stands.

(See illustration) follow the reduced radiator water tap to the engine to locate the thermostat housing.

 


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On 1994 with 1998 diesel engines, the alternator parentheses (large arrow) should be removed, then remove the bolts (three little arrows) and lift the thermostat covering off


 

3.9L V6, 5.2L V8 and also 5.9L V8 engines

Remove the alternator bracket and also the alternator. Full comprehensive instructions because that this room in chapter 5 of the mmsanotherstage2019.com manual.Note: On 4WD models, unplug the 4WD indicator desk lamp harness located behind the alternator. Follow the top radiator to the engine to locate the thermostat housing.

All models

Squeeze the tabs on the hose clamp to loosen it from the hose(s), climate reposition the clamp several inches back up the hose. Detach the hose(s) indigenous the thermostat housing.If the water tap is stuck, grasp it near the end with a pair of adjustable pliers and twist it to break the seal, climate pull that off. If the water tap is old or deteriorated, just cut it off and also install a new one.Note: Special hose clamp pliers are available at most auto components stores. 

If the external surface that the thermostat real estate where that mates v the hose is already deteriorated (corroded, pitted, etc.), it may be damaged additional by water tap removal. If it is, the thermostat real estate will have to be replaced. 

Remove the thermostat housing from the engine. If the real estate is stuck, madness it with a soft-faced hammer come jar the loose. Be prepared for part coolant to spill together the gasket seal is broken.Note: On 8.0L V10 engines, a smaller hose and the sensor exploit connector need to be disconnected native the thermostat cover.

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(See illustration) Note just how the thermostat is mounted (which end is facing up, or out, and the place of the waiting bleed “jiggle valve,” if equipped) and also remove that from the engine.