Properly fill the cooling system. Are you constantly having to fill the car with coolant? I have a 95 Grand Am 2. With the engine idling, add coolant to the radiator until the level is up to the bottom of the filler neck. What is the temperature rating of thermostat? I changed water pump, thermostat. Apr 04, 2014 Before you did any repairs to address your overheating problem, did you check to see if your fans were working at all? Top off the coolant as necessary. The only other thing I can think is a faulty radiator cap but i assume you replaced that with the radiator. Install the upper radiator hose.
Also you will need to remove the throttle body. Cooling fans come on at what temp and go off when? Also, not listed on the page as an instruction but something I did when changing the thermostat was to take off the throttle body which made getting to the inlet manifold bolts much easier. With the engine idling, add coolant to the radiator until the level is up to the bottom of the filler neck. It is likely that engine buildup has accumulated around the thermostat and has caused a mechanical failure. You didn't mention the engine so. Remove the thermostat housing to intake manifold bolts. After you get it removed it is even harder to start threading that bolt for reassembly.
The bottom bolt was particulary hard to get too, the top bolt was not too bad. I assume you are talking about the thermostat that controls the heat temperature that blows into your car. It's located directly across from the air filter assembly. If that's the case, look under your hood, locate the radiator, then along the top of the radiator you should find a black hose. In addition to thatb you will need to disassemble another electrical device that prevents you from being able to move the heater hose out of the way.
This will prove fatal in sufficient quantity. Pontiac has located this device there and all your major grounds join here. Then, start the engine and watch the coolant. Have you had the coolant temperature sending unit checked? That makes it easier to get at. If you inspect the radiator from the filler neck, you can see if there is crud build-up on the tubes.
I have given you some things to investigate but to really help you with an answer I must ask for a little more information with all the parts you say you have replaced in a 6 month period of time. The problem is related to the computer sending a ground signal to the cooling fans. Sorry I don't know the name of this device. Letting them run too cool can problems after an extended period of time. The overflow hose attached to my recovery tank spews out all the coolant or water I put in, in less than 10 minutes I'm stuck on the side of the road and the car is smoking. Remove thermostat housing-to-intake manifold attaching bolt and nut, then remove the housing. The only thing that didn't stop working was the radio.
I used a circular wire brush attached to my drill to remove the corrosion from the back plate. I started the car after five minutes and it started right up as if nothing had happened. If they do not, begin to perform diagnosis to that electric circuit. . Overall, this is not an easy job due to the lower bolt holding in the thermostat housing, with minimal clearance to get a wrench on it.
There's a little over 59,000 miles on the odometer. To get to the thermostat you need to remove air cleaner box assembly from the throttle body and move it out of the way. The vehicle owner's manual specified a defect with the pass lock and anti-theft device system, which could result in unexpected stalling. This is a manufacture issue as the intake manifold seem defective. Install the thermostat housing bolts. Could definitely be air remaining in the cooling system, and that could cause this symptom.
Another way to get to the thermostat housing is to remove the duct from the air cleaner housing. Is there any white residue in the oil or on the oil cap? Jun 19, 2017 How do you know the thermostat is ok? I have yet to get a email, or letter or anything for that matter about any of the recalls on this veh. Allow the engine to cool. Install the coolant inlet housing bolt through the exhaust manifold. My 97 Aurora did the same thing and this fixed it. They said I needed a new thermostat and water pump.
Posted on Jan 13, 2011 I had an older vehicle that overheated. I flushed out the radiator twice, but it was so clogged up, I had to replace it, so check the radiator. With the engine idling, add coolant to the radiator until the level is up to the bottom of the filler neck. To install: Place the thermostat in the housing, pushing down to be sure it is firmly seated. If it does not get cleaned out properly with a new thermostat your chances of blowing your head gasket is inevitable. It is located directly under the throttel body. Clean off the thermostat housing and O-ring.
Check that the thermostat opens fully to the dimension it should find the spec , and at the correct temperature, and when cold it returns to home fully closed. There were no injuries, but the driver stated that this was a life threatening situation. Chances are there is a blockage somewhere especially if the is a brownish residue on inside of reservoir. Easiest way to lift off the fasteners is with an interior trim tool. I can't help but wonder what the next think to go wrong will be. Remove the thermostat housing outlet and thermostat Clean the mating surfaces.