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You do not need a thermostat for the fan to work but you will need a thermostat for the engine not to over heat. Put simply the thermostat controls the flow of water through the radiator cores so that the heat in the water has a chance to transfer to the cores and fins and away.. NO thermostat =too fast water flow = hot engine.. Fans work off a temperature sensor which tells the CPU when to activate the relay to switch on the fan. Check out the circuit for the fan including the sensor ,fuses, relays and wiring, and fan . Fix it properly so that you can enjoy driving
Follow the lot hose to the drivers side of the engine. The thermostat is the part the hose is attached that is bolted to the engine block. You will get the thermostat housing assembly when you purchase the new one. Removing the drivers front wheel inner liner will help make the repair easier.
For the 3.0 ohv engine follow the upper hose the the housing on the intake manifold. It will be behind that housing.
On the 3.0 DOHC engine. Follow the lower hose to the water outlet housing. The thermostat will be behind that housing.
Timing belt is rated for 85,000 to 95,000 miles.
You do not want to wait for it to break.
Today's timing belt is being use to drive water pump.
3.2 Liter MPI V6 is modular.
The engine has to come out from the bottom!!!!
It will save you 2-3 hours of labor time to do ALL these work at the same time.
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Ask your service advisor to replace all heater hose at the same time to avoid trouble.
Inspect all engine and transmission mounts.
This is going to be costly but it will safe the labor charge now to complete all the tasks at the same time.
Have you had the radiator tested for emission blow by? Radiator Specialists can be of assistance with this testing device. Will indicate if the head gasket is leaking and cause overheating.
If it's a 4 cylinder 1.5 hr labor if 6 cylinder 2.0 labor.I run a shop in lake dallas if you're interested in us doing it. The name is Mckee Automotive 940-321-5444. At our rate $123.00 for 4 cylinder $164.00 if 6 cylinder
Cooling system might need flushed. About $120 any car service center.
Step two
Is the car over heating if it has 60,000 or more miles you might need a water pump, or might need a thermosat or both. If you are going to flush the system put a water pump and thermosat in it. Removal of water pump and stat are easy just take a picture of it before you do it so you know where everything goes. Scale 1 - 10 I rate it a 4 for being difficult. If you can't do it yourself or some who knows what they are doing you might have to take it to service center which would cost about $300 - $400 dollars.
follow the top radiator hose to the engine...there you will find a clamp that holds the hose on...take that off and there are 2 bolts that hold the housing on you pull the bolts and the housing will come off and you will see the thermostat. you buy and new one and make sure you get the gasket for it and clean off all the old gasket material and then install the new one the sale way
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